A80/100
OAKES CITY OF — Water Quality Report 2026
Serving 1,856 people · North Dakota
Water Source
Groundwater
County
—
System ID
ND1100758
Violations
8
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2025 – August 31, 2025Rule: Total Coliform RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 OAKES CITY OF
Is OAKES CITY OF water safe to drink?
OAKES CITY OF water receives a grade of A (80/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has OAKES CITY OF detected?
1 contaminants were tested in OAKES CITY OF's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does OAKES CITY OF have any EPA violations?
Yes, OAKES CITY OF has 8 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, MR, Other. 3 are health-based violations.
How many people does OAKES CITY OF serve?
OAKES CITY OF serves approximately 1,856 people, North Dakota. The system provides water to 1 community: Oakes.
What type of water does OAKES CITY OF provide?
OAKES CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is ND1100758.
How does OAKES CITY OF compare to other utilities in North Dakota?
OAKES CITY OF scores 80/100 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.