D36/100
TRIPP COUNTY WATER USER DISTRICT — Water Quality Report 2026
Serving 4,860 people · South Dakota
Water Source
Groundwater
County
—
System ID
SD4600520
Violations
57
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
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 TRIPP COUNTY WATER USER DISTRICT
Is TRIPP COUNTY WATER USER DISTRICT water safe to drink?
TRIPP COUNTY WATER USER DISTRICT water receives a grade of D (36/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 57 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has TRIPP COUNTY WATER USER DISTRICT detected?
51 contaminants were tested in TRIPP COUNTY WATER USER DISTRICT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does TRIPP COUNTY WATER USER DISTRICT have any EPA violations?
Yes, TRIPP COUNTY WATER USER DISTRICT has 57 EPA violation(s) on record, with the most recent in 2015. Violation types include MR, MCL. 1 are health-based violations.
How many people does TRIPP COUNTY WATER USER DISTRICT serve?
TRIPP COUNTY WATER USER DISTRICT serves approximately 4,860 people, South Dakota. The system provides water to 2 communities: Winner, Hamill.
What type of water does TRIPP COUNTY WATER USER DISTRICT provide?
TRIPP COUNTY WATER USER DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is SD4600520.
How does TRIPP COUNTY WATER USER DISTRICT compare to other utilities in South Dakota?
TRIPP COUNTY WATER USER DISTRICT scores 36/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our South Dakota state page for a full comparison of water systems.