A90/100
JAMESTOWN CITY OF — Water Quality Report 2026
Serving 15,427 people · North Dakota
Water Source
Groundwater
County
—
System ID
ND4700498
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.011 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
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 JAMESTOWN CITY OF
Is JAMESTOWN CITY OF water safe to drink?
JAMESTOWN CITY OF water receives a grade of A (90/100), which is considered excellent. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has JAMESTOWN CITY OF detected?
66 contaminants were tested in JAMESTOWN CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does JAMESTOWN CITY OF have any EPA violations?
Yes, JAMESTOWN CITY OF has 3 EPA violation(s) on record, with the most recent in 2014. Violation types include MR, MCL. 1 are health-based violations.
How many people does JAMESTOWN CITY OF serve?
JAMESTOWN CITY OF serves approximately 15,427 people, North Dakota. The system provides water to 1 community: Jamestown.
What type of water does JAMESTOWN CITY OF provide?
JAMESTOWN CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is ND4700498.
How does JAMESTOWN CITY OF compare to other utilities in North Dakota?
JAMESTOWN 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.