PlainWater

Community Water System · PWS KS2002701

Clay Center, City Of

Clay Center, Kansas 67432 - drinking water served from groundwater sources to 4,138 people, tracked in EPA SDWIS and UCMR5.

4,138
People served
42
EPA violations
16
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 42 drinking-water violations at Clay Center, City Of, 38% of them health-based - below the Kansas per-system average.

42
Total EPA violations on record
38%
Health-based (MCL / treatment failure)
4,138
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Clay Center, City Of

Clay Center, City Of is a local-owned community water system that delivers drinking water to 4,138 residents in Clay Center, Kansas (Clay County) through 2,100 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 42 total violations for this system , of which 16 (38%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 16 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 10 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Kansas, EPA tracks 957 public water systems serving 2,894,673 people, with 84,344 cumulative violations and 33,424 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 88.1 violations. Statewide, 89 of 103 UCMR5-tested systems have reported PFAS detections (86.4%).

Clay Center, City Of's 42 violations sit below the Kansas average.

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
4,138
Total Violations
42
Health-Based Violations
16
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,100
County
Clay
School/Daycare
No
MCL Violations
15
Monitoring Violations
16
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 10 2020
Coliform (TCR) MR 6 2015
Nitrate MCL 4 1986
Combined Uranium MCL 4 2008
Selenium MCL 4 2008
Public Notice Other 3 2016
Coliform (TCR) MCL 3 1994
Consumer Confidence Rule Other 2 2000
Lead and Copper Rule TT 1 1993

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFEESA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/14/2025 <20.00 ppt 20.00 ppt Not Detected
PFPeS 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpS 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFHpA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 7/14/2025 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/14/2025 <8.00 ppt 8.00 ppt Not Detected
ADONA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 7/14/2025 <6.00 ppt 6.00 ppt Not Detected
PFNA 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFOA 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/14/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 7/14/2025 <2.00 ppt 2.00 ppt Not Detected
PFOS 1/27/2025 <4.00 ppt 4.00 ppt Not Detected
PFEESA 1/27/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 1/27/2025 <4.00 ppt 4.00 ppt Not Detected
PFNA 1/27/2025 <4.00 ppt 4.00 ppt Not Detected
PFMBA 1/27/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 1/27/2025 <20.00 ppt 20.00 ppt Not Detected
PFPeS 1/27/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpS 1/27/2025 <3.00 ppt 3.00 ppt Not Detected
PFDA 1/27/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 1/27/2025 <8.00 ppt 8.00 ppt Not Detected
ADONA 1/27/2025 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 1/27/2025 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 1/27/2025 <5.00 ppt 5.00 ppt Not Detected
PFBS 1/27/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 1/27/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 1/27/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 1/27/2025 <2.00 ppt 2.00 ppt Not Detected
9Cl-PF3ONS 1/27/2025 <2.00 ppt 2.00 ppt Not Detected
HFPO-DA 1/27/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 1/27/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 1/27/2025 <5.00 ppt 5.00 ppt Not Detected

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 Center, City Of.

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 KS2002701 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Kansas Drinking Water Authority

Kansas's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find KS regulator via EPA SDWIS

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
2020 Lead and Copper Rule MR 10 SDWIS / KS2002701 / 5000
2016 Public Notice Other 3 SDWIS / KS2002701 / 7500
2015 Coliform (TCR) MR 6 SDWIS / KS2002701 / 3100
2008 Combined Uranium MCL 4 SDWIS / KS2002701 / 4006
2008 Selenium MCL 4 SDWIS / KS2002701 / 1045
2000 Consumer Confidence Rule Other 2 SDWIS / KS2002701 / 7000
1994 Coliform (TCR) MCL 3 SDWIS / KS2002701 / 3100
1993 Lead and Copper Rule TT 1 SDWIS / KS2002701 / 5000
1986 Nitrate MCL 4 SDWIS / KS2002701 / 1040

How Clay Center, City Of Compares

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

Metric Clay Center, City Of Kansas avg Federal benchmark
Total violations 42 88.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 16 34.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 86.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 4,138 3,025 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 957 regulated public water systems in Kansas.

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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Clay Center, City Of water safe to drink?
Clay Center, City Of (PWS ID: KS2002701) has 42 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,138 people using Groundwater sources.
How many people does Clay Center, City Of serve?
Clay Center, City Of serves 4,138 people in Clay Center, Kansas. It is a Local-owned system using Groundwater water sources with 2,100 service connections.
What type of violations does Clay Center, City Of have?
Clay Center, City Of has 42 total violations: 16 health-based violations (MCL exceedances or treatment failures), 16 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Clay Center, City Of water?
No. Clay Center, City Of was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Clay Center, City Of use?
Clay Center, City Of 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.