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Humboldt, KS Tap Water Quality 2026

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

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

Main Utility: Humboldt, City Of PWSID: KS2000111 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.70 ppb, 11% of the action level and no violations are open. PFAS has never been sampled at this system.

C

Humboldt earns a C for water quality

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

Lead: 1.70 ppb — 11% of the federal action level
PFAS never sampled at this system
3 violations since 2015, 1 health-based
No violations currently open
Humboldt's lead level vs. all Kansas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.70 ppb — 11% of the federal action level
✓ Lower lead than 69% of Kansas utilities
Population Served
1837
~964 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
3 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
11% of EPA action level
1.70 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.70 ppb, 11% 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
Cryptosporidium MONITORING AND REPORTING — — 2019 Resolved
Cryptosporidium MONITORING AND REPORTING — — 2019 Resolved
Chlorite MCL EXCEEDANCE 1.026 MG/L 1.0 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

3 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 Humboldt, City Of
PWSID KS2000111
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 1,837
Service connections 964
Systems serving this area 3
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Humboldt tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.70 ppb, 11% of the action level.
Does Humboldt 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 Humboldt? ▼
Humboldt, City Of (PWSID KS2000111), one of 3 systems serving this area. Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2025-05-28. Inspectors recorded 3 significant deficiencies.

What Should Humboldt 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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