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Water system · PWSID WI2680214

PEWAUKEE CITY WATER AND SEWER UTILITY

PEWAUKEE, WI · ~8,671 people served

Check your exact address → PEWAUKEE overview
43
Action needed
PurityRadar safety score

PWSID

WI2680214

State

Wisconsin

City

PEWAUKEE

Population served

8,671

Primary source

Groundwater

Score history

▼ 57 points — the score moved from 100 to 43 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 43

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 Dec 2024). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

69 ppt

limit 10 ppt

Above EPA limit · 6.9×

PFOA

Perfluorooctanoic acid

8.5 ppt

limit 4 ppt

Above EPA limit · 2.1×

PFOS

Perfluorooctanesulfonic acid

6.6 ppt

limit 4 ppt

Above EPA limit · 1.6×

Lithium

11,000 ppt

limit —

No federal limit

PFHxA

40 ppt

limit —

No federal limit

6:2 FTS

35 ppt

limit —

No federal limit

PFBS

27 ppt

limit —

No federal limit

PFPeA

24 ppt

limit —

No federal limit

PFPeS

21 ppt

limit —

No federal limit

PFBA

13 ppt

limit —

No federal limit

PFHpA

8 ppt

limit —

No federal limit

Violations & enforcement

82

Violations on record

4

Unaddressed

14

Health-based

202

Enforcement actions

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

Other · EPA contaminant 7500 began Aug 2025 Unaddressed
Other · EPA contaminant 7500 began Aug 2025 Unaddressed
Other · EPA contaminant 7500 began Nov 2024 Unaddressed
Other · EPA contaminant 7500 began Jul 2024 Unaddressed
Other · EPA contaminant 7500 began Mar 2025 Resolved
Other · EPA contaminant 7500 began Aug 2024 Resolved
Monitoring & reporting · Fluoride began Jan 2020 Resolved
Monitoring & reporting · Antimony began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 1075 began Jan 2020 Resolved
Monitoring & reporting · Chromium (total) began Jan 2020 Resolved
Monitoring & reporting · Arsenic began Jan 2020 Resolved
Monitoring & reporting · Cadmium began Jan 2020 Resolved

Recent enforcement actions

  • State action · SOX Jun 2025
  • State action · SOX Jan 2025
  • State action · SIF Jun 2021
  • State action · SIF Jun 2021
  • State action · SIF Jun 2021
  • State action · SOX May 2021
  • State action · SOX May 2021
  • State action · SIA May 2021

This profile is built from EPA public records for system WI2680214 — 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.