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Water system · PWSID WI2680205

HARTLAND WATERWORKS

78
Good
PurityRadar safety score

PWSID

WI2680205

State

Wisconsin

City

HARTLAND

Population served

9,212

Primary source

Groundwater

Score history

▼ 22 points — the score moved from 100 to 78 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 78

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

PFOS

Perfluorooctanesulfonic acid

4.6 ppt

limit 4 ppt

Above EPA limit · 1.1×

PFOA

Perfluorooctanoic acid

4.4 ppt

limit 4 ppt

Above EPA limit · 1.1×

PFHxS

Perfluorohexanesulfonic acid

3.6 ppt

limit 10 ppt

Below EPA limit

PFBS

7.9 ppt

limit —

No federal limit

PFBA

5.1 ppt

limit —

No federal limit

PFPeA

4.6 ppt

limit —

No federal limit

PFHxA

3.6 ppt

limit —

No federal limit

Violations & enforcement

5

Violations on record

0

Unaddressed

2

Health-based

20

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2021. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Feb 2021 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2014 Resolved
Other · EPA contaminant 7000 began Jul 2010 Resolved
Other · EPA contaminant 7000 began Jul 2003 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1996 Resolved

Recent enforcement actions

  • State action · SOX May 2021
  • State action · SIA Apr 2021
  • State action · SFG Sep 2014
  • State action · SIF Sep 2014
  • State action · SOX Aug 2014
  • State action · SIE Aug 2014
  • State action · SIA Aug 2014
  • State action · SOX Jul 2010

This profile is built from EPA public records for system WI2680205 — 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.