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Flowing Wells, AZ Tap Water Quality 2026

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

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

Main Utility: Flowing Wells Irrigation District PWSID: AZ0410051 Updated: 2026 Q2
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PFAS above the federal limit at 1 of 6 sampling points

Lead was not detected and no violations are open. However, PFAS exceeds the federal limit at 1 of 6 sampling points, running as high as 1.25 times the limit.

C

Flowing Wells earns a C for water quality

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

Lead: not detected
PFAS above the federal limit at 1 of 6 sampling points
86 violations since 2015, 1 health-based
No violations currently open
Flowing Wells'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
7473
~3662 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
86 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
Revised Total Coliform Rule REPORTING FAILURE — — 2026 Unaddressed
Lead and Copper Rule MONITORING AND REPORTING — TT 2026 Unaddressed
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2025 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2025 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2025 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2025 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2025 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2025 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2025 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2025 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2025 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2025 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2025 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2025 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2025 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2025 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2025 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2025 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2025 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2025 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2025 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2025 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2025 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2025 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2025 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2025 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2025 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2025 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2025 Resolved
Public Notice OTHER — — 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
Revised Total Coliform Rule MONITORING FAILURE — — 2023 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
Lead and Copper Rule MONITORING AND REPORTING — TT 2023 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2021 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2020 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2019–2020 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2019–2020 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2019 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2019 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2019 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2019 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2019 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2019 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2019 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2019 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2019 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2019 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2019 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2019 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2019 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2019 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2018 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2018 Resolved
Consumer Confidence Rule OTHER — — 2016 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

86 violations are on record since 2015, of which 1 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Flowing Wells Irrigation District
PWSID AZ0410051
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 7,473
Service connections 3,662
Systems serving this area 7
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Flowing Wells tap water safe to drink? ▼
It meets most federal standards, but PFAS exceeds the federal limit at 1 of 6 sampling points. No violations are currently open.
Does Flowing Wells water have PFAS? ▼
Yes. PFAS exceeds the federal limit at 1 of 6 sampling points, running as high as 1.25 times the limit. Limits are enforced on a running annual average at each sampling point, not on a single sample.
Who supplies water to Flowing Wells? ▼
Flowing Wells Irrigation District (PWSID AZ0410051), one of 7 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2024-01-08. No significant deficiencies were recorded.

What Should Flowing Wells Residents Do?

1
Consider a reverse-osmosis filter
Reverse osmosis removes more than 95% of PFAS. Standard carbon pitchers do not.
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.

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