A90/100
ROLLA CITY OF — Water Quality Report 2026
Serving 1,280 people · North Dakota
Water Source
Groundwater
County
—
System ID
ND4000834
Violations
6
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 1, 2023 – January 4, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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 ROLLA CITY OF
Is ROLLA CITY OF water safe to drink?
ROLLA CITY OF water receives a grade of A (90/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has ROLLA CITY OF detected?
1 contaminants were tested in ROLLA CITY OF's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does ROLLA CITY OF have any EPA violations?
Yes, ROLLA CITY OF has 6 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, MCL. 1 are health-based violations.
How many people does ROLLA CITY OF serve?
ROLLA CITY OF serves approximately 1,280 people, North Dakota. The system provides water to 1 community: Rolla.
What type of water does ROLLA CITY OF provide?
ROLLA CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is ND4000834.
How does ROLLA CITY OF compare to other utilities in North Dakota?
ROLLA CITY OF scores 90/100 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.