Home/ Directory/ KS/ DERBY, CITY OF

Water system · PWSID KS2017328

DERBY, CITY OF

DERBY, KS · ~25,413 people served

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

PWSID

KS2017328

State

Kansas

City

DERBY

Population served

25,413

Primary source

SWP

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 2023). Levels in parts per trillion (ppt).

Lithium

31,800 ppt

limit —

No federal limit

Violations & enforcement

17

Violations on record

0

Unaddressed

6

Health-based

57

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2023. Official EPA record →

Other · EPA contaminant 7500 began Oct 2022 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jun 2022 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jun 2022 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jun 2021 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jun 2021 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Mar 2021 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Mar 2021 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jan 2013 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2004 Resolved

Recent enforcement actions

  • State action · SIF May 2023
  • State action · SIF May 2023
  • State action · SOX May 2023
  • State action · SOX Jan 2023
  • State action · SIA Nov 2022
  • State action · SIE Nov 2022
  • State action · SOX Dec 2021
  • State action · SIE Oct 2021

This profile is built from EPA public records for system KS2017328 — 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.