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Water system · PWSID 055294506

SOUTH WATER TREATMENT PLANT (SWTP)

PRIOR LAKE, MN · ~24,959 people served

Check your exact address → PRIOR LAKE overview
100
Excellent
PurityRadar safety score

PWSID

055294506

State

Minnesota

City

PRIOR LAKE

Population served

24,959

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

37

Violations on record

0

Unaddressed

1

Health-based

11

Enforcement actions

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

Monitoring & reporting · Nitrate began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2036 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2020 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2005 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2010 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2015 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2035 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2031 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2033 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2034 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2037 began Jan 2017 Resolved

Recent enforcement actions

  • EPA/federal action · EIF Sep 2021
  • EPA/federal action · EOX Feb 2021
  • EPA/federal action · EOX Apr 2020
  • EPA/federal action · EIE Mar 2020
  • EPA/federal action · EIA Mar 2020
  • EPA/federal action · EOX Jun 2016
  • EPA/federal action · EOX May 2016
  • EPA/federal action · EOX May 2004

This profile is built from EPA public records for system 055294506 — 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.