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Community Water System · PWS KS2004102

Herington, City Of

Herington, Kansas 67449 - drinking water served from surface water sources to 2,332 people, tracked in EPA SDWIS and UCMR5.

2,332
People served
257
EPA violations
225
Health-based
Untested
UCMR5 result

The verdict

EPA records 257 drinking-water violations at Herington, City Of, 88% of them health-based - above the Kansas per-system average.

257
Total EPA violations on record
88%
Health-based (MCL / treatment failure)
2,332
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Herington, City Of

Herington, City Of is a local-owned community water system that delivers drinking water to 2,332 residents in Herington, Kansas (Dickinson County) through 1,172 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 257 total violations for this system , of which 225 (88%) 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 TTHM, recorded in 161 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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%).

Herington, City Of's 257 violations sit above 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
2,332
Total Violations
257
Health-Based Violations
225
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,172
County
Dickinson
School/Daycare
No
MCL Violations
165
Monitoring Violations
27
Treatment Tech Violations
60

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 161 2024
CARBON, TOTAL TT 60 2007
Surface Water Treatment Rule MR 10 2020
Interim Enhanced Surface Water Treatment Rule MR 4 2020
Atrazine MCL 4 1996
Total Haloacetic Acids (HAA5) MR 3 2009
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 3 2010
Public Notice Other 3 2019
TTHM MR 3 2009
Chlorine MR 3 2024
Lead and Copper Rule MR 1 2017
LEAD AND COPPER RULE REVISIONS RPT 1 2025

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 Herington, 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 KS2004102 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
2025 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / KS2004102 / 5200
2024 TTHM MCL 161 SDWIS / KS2004102 / 2950
2024 Chlorine MR 3 SDWIS / KS2004102 / 0999
2020 Surface Water Treatment Rule MR 10 SDWIS / KS2004102 / 0200
2020 Interim Enhanced Surface Water Treatment Rule MR 4 SDWIS / KS2004102 / 0300
2019 Public Notice Other 3 SDWIS / KS2004102 / 7500
2017 Lead and Copper Rule MR 1 SDWIS / KS2004102 / 5000
2010 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 3 SDWIS / KS2004102 / 0600
2009 Total Haloacetic Acids (HAA5) MR 3 SDWIS / KS2004102 / 2456
2009 TTHM MR 3 SDWIS / KS2004102 / 2950
2007 CARBON, TOTAL TT 60 SDWIS / KS2004102 / 2920
1996 Atrazine MCL 4 SDWIS / KS2004102 / 2050

How Herington, City Of Compares

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

Metric Herington, City Of Kansas avg Federal benchmark
Total violations 257 88.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 225 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 2,332 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 Herington, City Of water safe to drink? ▼
Herington, City Of (PWS ID: KS2004102) has 257 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,332 people using Surface Water sources.
How many people does Herington, City Of serve? ▼
Herington, City Of serves 2,332 people in Herington, Kansas. It is a Local-owned system using Surface Water water sources with 1,172 service connections.
What type of violations does Herington, City Of have? ▼
Herington, City Of has 257 total violations: 225 health-based violations (MCL exceedances or treatment failures), 27 monitoring/reporting violations, and 60 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Herington, City Of water? ▼
No PFAS testing data is available for Herington, City Of under the EPA's UCMR5 monitoring program.
What water source does Herington, City Of use? ▼
Herington, City Of uses Surface Water 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. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

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.