States ›Arizona ›Santa Cruz County ›Nogales

Nogales, AZ Tap Water Quality 2026

Water quality report for Nogales, AZ — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Nogales's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Nogales City Of PWSID: AZ0412004 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. No PFAS was detected.

B

Nogales earns a B for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: not detected
PFAS tested, none detected
567 violations since 2015, 3 health-based
No violations currently open
Nogales's lead level vs. all Arizona community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Arizona utilities
Population Served
18355
~5400 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
567 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2025 Archived
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2025 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2025 Archived
Nitrate MONITORING AND REPORTING — 10 mg/L 2025 Resolved
Public Notice OTHER — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2024 Resolved
Public Notice OTHER — — 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2023 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2023 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2023 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2023 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2023 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2023 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2023 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2023 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2023 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2021 Resolved
Public Notice OTHER — — 2020 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2020 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2019 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2019 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2018 Resolved
Consumer Confidence Rule OTHER — — 2018 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2018 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2018 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2018 Resolved
Nickel MONITORING AND REPORTING — — 2018–2020 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2018–2020 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2018–2020 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2018–2020 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2018–2020 Resolved
Radium-226 MONITORING AND REPORTING — — 2018–2020 Resolved
Radium-228 MONITORING AND REPORTING — — 2018–2020 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2018–2020 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2018–2020 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2018–2020 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2018–2020 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2018–2020 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2018–2020 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2018–2020 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2018–2020 Resolved
Endothall MONITORING AND REPORTING — 0.1 mg/L 2018–2020 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2018–2020 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2018–2020 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2018–2020 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2018–2020 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2018–2020 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2018–2020 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2018–2020 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2018–2020 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2018–2020 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2018–2020 Resolved
LASSO MONITORING AND REPORTING — — 2018–2020 Resolved
2,3,7,8-TCDD MONITORING AND REPORTING — 0.00000003 mg/L 2018–2020 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2018–2020 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2018–2020 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2018–2020 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2018–2020 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2018–2020 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2018–2020 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2018–2020 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2018–2020 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2018–2020 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2018–2020 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2018–2020 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2018–2020 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2018–2020 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2018–2020 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2018–2020 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2018–2020 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2018–2020 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2018–2020 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2018–2020 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2018–2020 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2018–2020 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2018–2020 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2018–2020 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2018–2020 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2018–2020 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2018–2020 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2018–2020 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2018–2020 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2018–2020 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2018–2020 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2018–2020 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2018–2020 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2018–2020 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2018–2020 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2018–2020 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2018–2020 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2018–2020 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2018–2020 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2018–2020 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2018–2020 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2018–2020 Resolved
Endothall MONITORING AND REPORTING — 0.1 mg/L 2018–2020 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2018–2020 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2018–2020 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2018–2020 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2018–2020 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2018–2020 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2018–2020 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2018–2020 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2018–2020 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2018–2020 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2018–2020 Resolved
LASSO MONITORING AND REPORTING — — 2018–2020 Resolved
2,3,7,8-TCDD MONITORING AND REPORTING — 0.00000003 mg/L 2018–2020 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2018–2020 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2018–2020 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2018–2020 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2018–2020 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2018–2020 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2018–2020 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2018–2020 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2018–2020 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2018–2020 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2018–2020 Resolved
Nickel MONITORING AND REPORTING — — 2018–2020 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2018–2020 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2018–2020 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2018–2020 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2018–2020 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2018–2020 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2018–2020 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2018–2020 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2018–2020 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2018–2020 Resolved
Nickel MONITORING AND REPORTING — — 2018–2020 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2018–2020 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2018–2020 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2018–2020 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2018–2020 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2018–2020 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2018–2020 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2018–2020 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2018–2020 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2018–2020 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2018–2020 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2018–2020 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2018–2020 Resolved
Endothall MONITORING AND REPORTING — 0.1 mg/L 2018–2020 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2018–2020 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2018–2020 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2018–2020 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2018–2020 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2018–2020 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2018–2020 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2018–2020 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2018–2020 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2018–2020 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2018–2020 Resolved
LASSO MONITORING AND REPORTING — — 2018–2020 Resolved
2,3,7,8-TCDD MONITORING AND REPORTING — 0.00000003 mg/L 2018–2020 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2018–2020 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2018–2020 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2018–2020 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2018–2020 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2018–2020 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2018–2020 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2018–2020 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2018–2020 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2018–2020 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2018–2020 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2018–2020 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2018–2020 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2018–2020 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2018–2020 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2018–2020 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2018–2020 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2018–2020 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2018–2020 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2018–2020 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2017 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2017 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2017 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2017 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2017 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2017 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2017 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2017 Resolved
Revised Total Coliform Rule TREATMENT TECHNIQUE — — 2016 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2016 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016–2017 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2016–2017 Resolved
E. COLI MONITORING AND REPORTING — 0 2016 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2016 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2016 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2016 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2016 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2016 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2016 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2016 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2016 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2016 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2016 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2016 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2016 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2016 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2016 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2016 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2015 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2015 Resolved
Consumer Confidence Rule OTHER — — 2015 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2015 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2015 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Consumer Confidence Rule OTHER — — 2015 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2015 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2015 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2015 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2015 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2015 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2015 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2015 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2015 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2015 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2015 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2015 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2015 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2015 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2015 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2015 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2015 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2015 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2015 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2015 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2015 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2015 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2015 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2015–2017 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2015–2017 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2015–2017 Resolved
Nickel MONITORING AND REPORTING — — 2015–2017 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2015–2017 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2015–2017 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2015–2017 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2015–2017 Resolved
Nickel MONITORING AND REPORTING — — 2015–2017 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2015–2017 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2015–2017 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2015–2017 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2015–2017 Resolved
Nickel MONITORING AND REPORTING — — 2015–2017 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2015–2017 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2015–2017 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2015–2017 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2015–2017 Resolved
Nickel MONITORING AND REPORTING — — 2015–2017 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2015–2017 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2015–2017 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2015–2017 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2015–2017 Resolved
Radium-226 MONITORING AND REPORTING — — 2015–2017 Resolved
Radium-228 MONITORING AND REPORTING — — 2015–2017 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2015–2017 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2015–2017 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2015–2017 Resolved
Radium-226 MONITORING AND REPORTING — — 2015–2017 Resolved
Radium-228 MONITORING AND REPORTING — — 2015–2017 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2015–2017 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2015–2017 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2015–2017 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Nickel MONITORING AND REPORTING — — 2015–2017 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2015–2017 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2015–2017 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2015–2017 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2015–2017 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2015–2017 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Nickel MONITORING AND REPORTING — — 2015–2017 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2015–2017 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2015–2017 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2015–2017 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2015–2017 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2015–2017 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2015–2017 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2015–2017 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2015–2017 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2015–2017 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2015–2017 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2015–2017 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2015–2017 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2015–2017 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2015–2017 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2015–2017 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2015–2017 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2015–2017 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2015–2017 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2015–2017 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2015–2017 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2015–2017 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2015–2017 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2015–2017 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2015–2017 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2015–2017 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2015–2017 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2015–2017 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2015–2017 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2015–2017 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2015–2017 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2015–2017 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2015–2017 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2015–2017 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2015–2017 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2015–2017 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2015–2017 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2015–2017 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2015–2017 Resolved
Endothall MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2015–2017 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2015–2017 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2015–2017 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2015–2017 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2015–2017 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2015–2017 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2015–2017 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2015–2017 Resolved
LASSO MONITORING AND REPORTING — — 2015–2017 Resolved
2,3,7,8-TCDD MONITORING AND REPORTING — 0.00000003 mg/L 2015–2017 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2015–2017 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2015–2017 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2015–2017 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2015–2017 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2015–2017 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2015–2017 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2015–2017 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2015–2017 Resolved
Endothall MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2015–2017 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2015–2017 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2015–2017 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2015–2017 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2015–2017 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2015–2017 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2015–2017 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2015–2017 Resolved
LASSO MONITORING AND REPORTING — — 2015–2017 Resolved
2,3,7,8-TCDD MONITORING AND REPORTING — 0.00000003 mg/L 2015–2017 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2015–2017 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2015–2017 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2015–2017 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2015–2017 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2015–2017 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2015–2017 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2015–2017 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2015–2017 Resolved
Endothall MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2015–2017 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2015–2017 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2015–2017 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2015–2017 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2015–2017 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2015–2017 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2015–2017 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2015–2017 Resolved
LASSO MONITORING AND REPORTING — — 2015–2017 Resolved
2,3,7,8-TCDD MONITORING AND REPORTING — 0.00000003 mg/L 2015–2017 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2015–2017 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2015–2017 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2015–2017 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2015–2017 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2015–2017 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2015–2017 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2015–2017 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2015–2017 Resolved
Endothall MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2015–2017 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2015–2017 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2015–2017 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2015–2017 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2015–2017 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2015–2017 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2015–2017 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2015–2017 Resolved
LASSO MONITORING AND REPORTING — — 2015–2017 Resolved
2,3,7,8-TCDD MONITORING AND REPORTING — 0.00000003 mg/L 2015–2017 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2015–2017 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2015–2017 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2015–2017 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2015–2017 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2015–2017 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2015–2017 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2015–2017 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2015–2017 Resolved
Endothall MONITORING AND REPORTING — 0.1 mg/L 2015–2017 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2015–2017 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2015–2017 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2015–2017 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2015–2017 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2015–2017 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2015–2017 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2015–2017 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2015–2017 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2015–2017 Resolved
LASSO MONITORING AND REPORTING — — 2015–2017 Resolved
2,3,7,8-TCDD MONITORING AND REPORTING — 0.00000003 mg/L 2015–2017 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2015–2017 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2015–2017 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2015–2017 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2015–2017 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2015–2017 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2015–2017 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2015–2017 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2015–2017 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2015–2020 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2015–2020 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2015–2020 Resolved
Radium-226 MONITORING AND REPORTING — — 2015–2020 Resolved
Radium-228 MONITORING AND REPORTING — — 2015–2020 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

567 violations are on record since 2015, of which 3 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Nogales City Of
PWSID AZ0412004
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 18,355
Service connections 5,400
Systems serving this area 4
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Nogales tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Nogales water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Nogales? ▼
Nogales City Of (PWSID AZ0412004), one of 4 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2024-11-20. No significant deficiencies were recorded.

What Should Nogales Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

Nearby Cities in Arizona

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