B63/100
Sauk Rapids — Water Quality Report 2026
Serving 13,835 people · Minnesota
Water Source
Groundwater
County
—
System ID
MN1050004
Violations
5
Contaminant Test Results
4 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.37 mg/L | 1.30 mg/L | Over Limit |
PFHxS | 0.030 µg/L | 0.010 µg/L | Over Limit |
PFOS | 0.012 µg/L | 0.004 µg/L | Over Limit |
PFOA | 0.008 µg/L | 0.004 µg/L | Over Limit |
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024 – December 31, 2024Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024 – December 31, 2024Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About Sauk Rapids
Is Sauk Rapids water safe to drink?
Sauk Rapids water receives a grade of B (63/100), which is considered good. Out of 67 contaminants tested, 4 exceed EPA legal limits. 4 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has Sauk Rapids detected?
67 contaminants were tested in Sauk Rapids's water. Notable contaminants include PFHxS, PFOS, PFOA, Copper (90th percentile). 4 exceed EPA legal limits (MCLs). 4 exceed EPA health goals (MCLGs).
Does Sauk Rapids have any EPA violations?
Yes, Sauk Rapids has 5 EPA violation(s) on record, with the most recent in 2024. Violation types include MR.
How many people does Sauk Rapids serve?
Sauk Rapids serves approximately 13,835 people, Minnesota.
What type of water does Sauk Rapids provide?
Sauk Rapids sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MN1050004.
How does Sauk Rapids compare to other utilities in Minnesota?
Sauk Rapids scores 63/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Minnesota state page for a full comparison of water systems.