States ›Indiana ›Lake County ›Cedar Lake

Cedar Lake, IN Tap Water Quality 2026

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

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

Main Utility: Cedar Lake Water Works PWSID: IN5245047 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.10 ppb, 7% of the action level and no violations are open. No PFAS was detected.

B

Cedar Lake earns a B for water quality

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

Lead: 1.10 ppb — 7% of the federal action level
PFAS tested, none detected
155 violations since 2015, 1 health-based
No violations currently open
Cedar Lake's lead level vs. all Indiana community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.10 ppb — 7% of the federal action level
✓ Lower lead than 87% of Indiana utilities
Population Served
10397
~2983 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
155 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
7% of EPA action level
1.10 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.10 ppb, 7% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Consumer Confidence Rule OTHER — — 2025 Resolved
Consumer Confidence Rule OTHER — — 2025 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Resolved
Consumer Confidence Rule OTHER — — 2024 Resolved
Consumer Confidence Rule OTHER — — 2024 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2024 Resolved
Radium-226 MONITORING AND REPORTING — — 2024 Resolved
Radium-228 MONITORING AND REPORTING — — 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Archived
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Archived
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2024 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2024 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2024 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2024 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2024 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2024 Resolved
Nickel MONITORING AND REPORTING — — 2024 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2024 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2024 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2024 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2024 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2024 Archived
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2024 Archived
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2024 Archived
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2024 Archived
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2024 Archived
Diquat MONITORING AND REPORTING — 0.02 mg/L 2024 Archived
Endothall MONITORING AND REPORTING — 0.1 mg/L 2024 Archived
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2024 Archived
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2024 Archived
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2024 Archived
Simazine MONITORING AND REPORTING — 0.004 mg/L 2024 Archived
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2024 Archived
Picloram MONITORING AND REPORTING — 0.5 mg/L 2024 Archived
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2024 Archived
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2024 Archived
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2024 Archived
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2024 Archived
LASSO MONITORING AND REPORTING — — 2024 Archived
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2024 Archived
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2024 Archived
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2024 Archived
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2024 Archived
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2024 Archived
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2024 Archived
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2024 Archived
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2024 Archived
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2024 Archived
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2024 Archived
Lead and Copper Rule MONITORING AND REPORTING — TT 2024 Unaddressed
Revised Total Coliform Rule MONITORING FAILURE — — 2023 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2023 Archived
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2020 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2020 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2020 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2020 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2020 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2020 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2020 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2020 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2020 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2020 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2020 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2020 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2020 Resolved
Consumer Confidence Rule OTHER — — 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
Revised Total Coliform Rule MONITORING FAILURE — — 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
TTHM MONITORING AND REPORTING — 0.080 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2019 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2019 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2019 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2019 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2019 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2019 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2019 Resolved
Endothall MONITORING AND REPORTING — 0.1 mg/L 2019 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2019 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2019 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2019 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2019 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2019 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2019 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2019 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2019 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2019 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2019 Resolved
LASSO MONITORING AND REPORTING — — 2019 Resolved
2,3,7,8-TCDD MONITORING AND REPORTING — 0.00000003 mg/L 2019 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2019 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2019 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2019 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2019 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2019 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2019 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2019 Resolved
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2019 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2019 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2019 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2019 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2018 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2018 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2017–2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2017–2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 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

155 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 Cedar Lake Water Works
PWSID IN5245047
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 10,397
Service connections 2,983
Systems serving this area 7
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Cedar Lake tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.10 ppb, 7% of the action level.
Does Cedar Lake water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Cedar Lake? ▼
Cedar Lake Water Works (PWSID IN5245047), 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 2024-08-20. Inspectors recorded 1 significant deficiency.

What Should Cedar Lake 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 Indiana

Hammond, In Tap Water Quality 2026 Lake Gary, In Tap Water Quality 2026 Lake Merrillville, In Tap Water Quality 2026 Lake Crown Point, In Tap Water Quality 2026 Lake Schererville, In Tap Water Quality 2026 Lake Hobart, In Tap Water Quality 2026 Lake