A83/100
STANLEY CITY OF — Water Quality Report 2026
Serving 1,138 people · North Dakota
Water Source
Purchased Surface Water
County
—
System ID
ND3100898
Violations
9
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 3.60 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
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 STANLEY CITY OF
Is STANLEY CITY OF water safe to drink?
STANLEY CITY OF water receives a grade of A (83/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has STANLEY CITY OF detected?
2 contaminants were tested in STANLEY CITY OF's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does STANLEY CITY OF have any EPA violations?
Yes, STANLEY CITY OF has 9 EPA violation(s) on record, with the most recent in 2016. Violation types include MR, MON, Other.
How many people does STANLEY CITY OF serve?
STANLEY CITY OF serves approximately 1,138 people, North Dakota. The system provides water to 1 community: Stanley.
What type of water does STANLEY CITY OF provide?
STANLEY CITY OF sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is ND3100898.
How does STANLEY CITY OF compare to other utilities in North Dakota?
STANLEY CITY OF scores 83/100 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.