A96/100
TRI-COUNTY WATER DISTRICT — Water Quality Report 2026
Serving 2,501 people · North Dakota
Water Source
Groundwater
County
—
System ID
ND3201072
Violations
1
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 1997.
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 TRI-COUNTY WATER DISTRICT
Is TRI-COUNTY WATER DISTRICT water safe to drink?
TRI-COUNTY WATER DISTRICT water receives a grade of A (96/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has TRI-COUNTY WATER DISTRICT detected?
1 contaminants were tested in TRI-COUNTY WATER DISTRICT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does TRI-COUNTY WATER DISTRICT have any EPA violations?
Yes, TRI-COUNTY WATER DISTRICT has 1 EPA violation(s) on record, with the most recent in 1997. Violation types include MR.
How many people does TRI-COUNTY WATER DISTRICT serve?
TRI-COUNTY WATER DISTRICT serves approximately 2,501 people, North Dakota. The system provides water to 1 community: Lakota.
What type of water does TRI-COUNTY WATER DISTRICT provide?
TRI-COUNTY WATER DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is ND3201072.
How does TRI-COUNTY WATER DISTRICT compare to other utilities in North Dakota?
TRI-COUNTY WATER DISTRICT scores 96/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our North Dakota state page for a full comparison of water systems.