C55/100
SOUTH WATER TREATMENT PLANT (SWTP) — Water Quality Report 2026
Serving 24,959 people · Minnesota
Water Source
Groundwater
County
—
System ID
055294506
Violations
38
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 SOUTH WATER TREATMENT PLANT (SWTP)
Is SOUTH WATER TREATMENT PLANT (SWTP) water safe to drink?
SOUTH WATER TREATMENT PLANT (SWTP) water receives a grade of C (55/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 38 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SOUTH WATER TREATMENT PLANT (SWTP) detected?
66 contaminants were tested in SOUTH WATER TREATMENT PLANT (SWTP)'s water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SOUTH WATER TREATMENT PLANT (SWTP) have any EPA violations?
Yes, SOUTH WATER TREATMENT PLANT (SWTP) has 38 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, MON, MCL. 1 are health-based violations.
How many people does SOUTH WATER TREATMENT PLANT (SWTP) serve?
SOUTH WATER TREATMENT PLANT (SWTP) serves approximately 24,959 people, Minnesota.
What type of water does SOUTH WATER TREATMENT PLANT (SWTP) provide?
SOUTH WATER TREATMENT PLANT (SWTP) sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is 055294506.
How does SOUTH WATER TREATMENT PLANT (SWTP) compare to other utilities in Minnesota?
SOUTH WATER TREATMENT PLANT (SWTP) scores 55/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Minnesota state page for a full comparison of water systems.