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Water system · PWSID KS2000506

ATCHISON, CITY OF

ATCHISON, KS · ~10,694 people served

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

PWSID

KS2000506

State

Kansas

City

ATCHISON

Population served

10,694

Primary source

Surface water

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

Latest detections from EPA’s UCMR5 monitoring (through Oct 2024). Levels in parts per trillion (ppt).

Lithium

60,400 ppt

limit —

No federal limit

Violations & enforcement

60

Violations on record

1

Unaddressed

42

Health-based

154

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2024. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Feb 2024 Unaddressed
Other · EPA contaminant 7000 began Jul 2023 Resolved
Other · EPA contaminant 7500 began May 2020 Resolved
Monitoring & reporting · EPA contaminant 1011 began Apr 2019 Resolved
Treatment technique · EPA contaminant 0300 health-based began Mar 2019 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Dec 2018 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Dec 2018 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2017 Resolved
Treatment technique · Bromate health-based began Oct 2015 Resolved
Treatment technique · Bromate health-based began Jul 2015 Resolved
Treatment technique · Bromate health-based began Apr 2015 Resolved
Treatment technique · Bromate health-based began Jan 2015 Resolved

Recent enforcement actions

  • State action · SIA Feb 2024
  • State action · SOX Aug 2023
  • State action · SIF Aug 2020
  • State action · SIF Jul 2020
  • State action · SOX Jul 2020
  • State action · SIA Aug 2019
  • State action · SIE Aug 2019
  • State action · SOX Aug 2019

This profile is built from EPA public records for system KS2000506 — 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.