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Beloit, KS Tap Water Quality 2026

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

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

Main Utility: Beloit, City Of PWSID: KS2012301 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS has never been sampled at this system.

B

Beloit earns a B for water quality

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

Lead: not detected
PFAS never sampled at this system
48 violations since 2015, 35 health-based
No violations currently open
Beloit's lead level vs. all Kansas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Kansas utilities
Population Served
3387
~1850 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
48 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
TTHM MCL EXCEEDANCE 0.099 MG/L 0.080 mg/L 2026 Archived
TTHM MCL EXCEEDANCE 0.093 MG/L 0.080 mg/L 2026 Archived
TTHM MCL EXCEEDANCE 0.99 MG/L 0.080 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.96 MG/L 0.080 mg/L 2025 Archived
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2025 Unaddressed
TTHM MCL EXCEEDANCE 0.1 MG/L 0.080 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.083 MG/L 0.080 mg/L 2025 Archived
Surface Water Treatment Rule MONITORING AND REPORTING — — 2025 Resolved
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2025 Archived
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.085 MG/L 0.080 mg/L 2024 Archived
TTHM MCL EXCEEDANCE 0.084 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2021 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2021 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2021 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2021 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2021 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2021 Resolved
TTHM MCL EXCEEDANCE 0.083 MG/L 0.080 mg/L 2021 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2020 Resolved
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 0.085 MG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 0.084 MG/L 0.080 mg/L 2019 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2019 Resolved
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2018 Resolved
Public Notice OTHER — — 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2017 Resolved
TTHM MCL EXCEEDANCE 0.093 MG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.101 MG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.101 MG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.112 MG/L 0.080 mg/L 2017 Resolved
Public Notice OTHER — — 2016 Unaddressed
TTHM MCL EXCEEDANCE 0.106 MG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 0.092 MG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 0.102 MG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 99.25 UG/L 0.080 mg/L 2016 Archived
TTHM MCL EXCEEDANCE 0.09925 MG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 0.106 MG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.118 MG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.103 MG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.094 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

48 violations are on record since 2015, of which 35 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Beloit, City Of
PWSID KS2012301
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 3,387
Service connections 1,850
Systems serving this area 3
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Beloit tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Beloit 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 Beloit? ▼
Beloit, City Of (PWSID KS2012301), 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 2023-12-04. No significant deficiencies were recorded.

What Should Beloit 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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