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Water system · PWSID MN1050004

Sauk Rapids

Sauk Rapids, MN · ~13,835 people served

Check your exact address → Sauk Rapids overview
20
Action needed
PurityRadar safety score

PWSID

MN1050004

State

Minnesota

City

Sauk Rapids

Population served

13,835

Primary source

Groundwater

Score history

▼ 80 points — the score moved from 100 to 20 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 20

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

PFOS

Perfluorooctanesulfonic acid

12 ppt

limit 4 ppt

Above EPA limit · 3.0×

PFOA

Perfluorooctanoic acid

8.1 ppt

limit 4 ppt

Above EPA limit · 2.0×

PFHxS

Perfluorohexanesulfonic acid

18 ppt

limit 10 ppt

Above EPA limit · 1.8×

Lithium

9,100 ppt

limit —

No federal limit

PFHxA

7.4 ppt

limit —

No federal limit

PFPeA

6 ppt

limit —

No federal limit

PFBA

5.8 ppt

limit —

No federal limit

PFHpA

3.6 ppt

limit —

No federal limit

PFBS

3.1 ppt

limit —

No federal limit

Violations & enforcement

1

Violations on record

0

Unaddressed

0

Health-based

4

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2008. Official EPA record →

Monitoring & reporting · Total coliform began Jul 2008 Resolved

Recent enforcement actions

  • State action · SIF Oct 2008
  • State action · SFJ Sep 2008
  • State action · SIE Sep 2008
  • State action · SOX Aug 2008

This profile is built from EPA public records for system MN1050004 — 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.