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Water system · PWSID KS2016501

BISON, CITY OF

BISON, KS · ~178 people served

Check your exact address → BISON overview
100
Excellent
PurityRadar safety score

PWSID

KS2016501

State

Kansas

City

BISON

Population served

178

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

21

Violations on record

2

Unaddressed

3

Health-based

60

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2025. Official EPA record →

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Oct 2021 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Jan 2025 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2014 Resolved
Other · EPA contaminant 7500 began Nov 2007 Resolved
Monitoring & reporting · Total coliform began Oct 2006 Resolved
Other · EPA contaminant 7500 began Jul 2006 Resolved
Other · EPA contaminant 7000 began Jul 2006 Resolved
Monitoring & reporting · Total coliform began Jun 2005 Resolved
Monitoring & reporting · Total coliform began Nov 2000 Resolved
Other · EPA contaminant 7000 began Oct 1999 Resolved

Recent enforcement actions

  • State action · SIE Mar 2025
  • State action · SIA Mar 2025
  • State action · SIA Feb 2025
  • State action · SOX Jul 2024
  • State action · SIA May 2022
  • State action · SOX Sep 2016
  • State action · SIF Dec 2015
  • State action · SIA Nov 2015

This profile is built from EPA public records for system KS2016501 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.