B79/100
CHOTEAU CITY OF — Water Quality Report 2026
Serving 1,691 people · Montana
Water Source
Groundwater
County
—
System ID
MT0000175
Violations
18
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 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 CHOTEAU CITY OF
Is CHOTEAU CITY OF water safe to drink?
CHOTEAU CITY OF water receives a grade of B (79/100), which is considered good. 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 CHOTEAU CITY OF detected?
1 contaminants were tested in CHOTEAU CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CHOTEAU CITY OF have any EPA violations?
Yes, CHOTEAU CITY OF has 18 EPA violation(s) on record, with the most recent in 2014. Violation types include MR.
How many people does CHOTEAU CITY OF serve?
CHOTEAU CITY OF serves approximately 1,691 people, Montana. The system provides water to 1 community: Choteau.
What type of water does CHOTEAU CITY OF provide?
CHOTEAU CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MT0000175.
How does CHOTEAU CITY OF compare to other utilities in Montana?
CHOTEAU CITY OF scores 79/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Montana state page for a full comparison of water systems.