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Herington, KS Tap Water Quality 2026

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

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

Main Utility: Herington, City Of PWSID: KS2004102 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.30 ppb, 9% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Herington earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 1.30 ppb — 9% of the federal action level
PFAS never sampled at this system
18 violations since 2015, 11 health-based
No violations currently open
Herington's lead level vs. all Kansas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.30 ppb — 9% of the federal action level
✓ Lower lead than 80% of Kansas utilities
Population Served
2093
~1172 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
18 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
9% of EPA action level
1.30 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.30 ppb, 9% 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
Bromate MONITORING AND REPORTING — 0.010 mg/L 2026 Archived
Bromate MCL EXCEEDANCE 0.029 MG/L 0.010 mg/L 2026 Archived
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2025 Unaddressed
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2024 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2024 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 Resolved
Public Notice OTHER — — 2019 Resolved
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 0.083 MG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2018 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2017 Resolved
TTHM MCL EXCEEDANCE 0.084 MG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 0.08895 MG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 0.096 MG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.097 MG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.093 MG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.087 MG/L 0.080 mg/L 2015 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

18 violations are on record since 2015, of which 11 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Herington, City Of
PWSID KS2004102
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 2,093
Service connections 1,172
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Herington tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.30 ppb, 9% of the action level.
Does Herington water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Herington? ▼
Herington, City Of (PWSID KS2004102). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2024-07-17. No significant deficiencies were recorded.

What Should Herington 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.

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