PlainWater

CLAY CITY WATER WORKS

PWS ID: IN5211004 · CLAY CITY, Indiana 47841

CLAY CITY WATER WORKS serves 1,152 people in CLAY CITY, Indiana using Groundwater water sources. It has 52 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CLAY CITY WATER WORKS

CLAY CITY WATER WORKS is a local-owned community water system that delivers drinking water to 1,152 residents in CLAY CITY, Indiana (Clay County) through 543 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 52 total violations for this system , of which 3 (6%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 27 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 18 violations (Other). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Indiana, EPA tracks 3,967 public water systems serving 5,774,616 people, with 352,710 cumulative violations and 35,932 health-based violations on record. About 96% of systems in the state carry at least one violation, and state-wide the average per system is 88.9 violations. CLAY CITY WATER WORKS's 52 violations sit below the Indiana average. Statewide, 93 of 229 UCMR5-tested systems have reported PFAS detections (40.6%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
1,152
Total Violations
52
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
543
County
Clay
School/Daycare
No
MCL Violations
0
Monitoring Violations
27
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 18 2025
Coliform (TCR) MR 11 2009
Lead and Copper Rule MR 5 2019
LEAD AND COPPER RULE REVISIONS RPT 4 2025
Nitrate MR 3 1993
LEAD AND COPPER RULE REVISIONS TT 3 2024
Cadmium MR 1 1979
Mercury MR 1 1979
Fluoride MR 1 1979
Gross Alpha, Excl. Radon and U MR 1 1980
Selenium MR 1 1979
Arsenic MR 1 1979
Barium MR 1 1979
Chromium MR 1 1979

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for CLAY CITY WATER WORKS.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID IN5211004 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Indiana Drinking Water Authority

Indiana Department of Environmental Management — Drinking Water Branch is the primacy agency that licenses and inspects CLAY CITY WATER WORKS under EPA-delegated authority.

Open IN regulator portal

Source: Indiana Department of Environmental Management — Drinking Water Branch

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Consumer Confidence Rule Other 18 SDWIS / IN5211004 / 7000
2025 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / IN5211004 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 3 SDWIS / IN5211004 / 5200
2019 Lead and Copper Rule MR 5 SDWIS / IN5211004 / 5000
2009 Coliform (TCR) MR 11 SDWIS / IN5211004 / 3100
1993 Nitrate MR 3 SDWIS / IN5211004 / 1040
1980 Gross Alpha, Excl. Radon and U MR 1 SDWIS / IN5211004 / 4000
1979 Cadmium MR 1 SDWIS / IN5211004 / 1015
1979 Mercury MR 1 SDWIS / IN5211004 / 1035
1979 Fluoride MR 1 SDWIS / IN5211004 / 1025
1979 Selenium MR 1 SDWIS / IN5211004 / 1045
1979 Arsenic MR 1 SDWIS / IN5211004 / 1005
1979 Barium MR 1 SDWIS / IN5211004 / 1010
1979 Chromium MR 1 SDWIS / IN5211004 / 1020

How CLAY CITY WATER WORKS Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric CLAY CITY WATER WORKS Indiana avg Federal benchmark
Total violations 52 88.9 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 9.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 40.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,152 1,456 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 3,967 regulated public water systems in Indiana.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is CLAY CITY WATER WORKS water safe to drink?
CLAY CITY WATER WORKS (PWS ID: IN5211004) has 52 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,152 people using Groundwater sources.
How many people does CLAY CITY WATER WORKS serve?
CLAY CITY WATER WORKS serves 1,152 people in CLAY CITY, Indiana. It is a Local-owned system using Groundwater water sources with 543 service connections.
What type of violations does CLAY CITY WATER WORKS have?
CLAY CITY WATER WORKS has 52 total violations: 3 health-based violations (MCL exceedances or treatment failures), 27 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CLAY CITY WATER WORKS water?
No PFAS testing data is available for CLAY CITY WATER WORKS under the EPA's UCMR5 monitoring program.
What water source does CLAY CITY WATER WORKS use?
CLAY CITY WATER WORKS uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial