F16/100
THREE FORKS CITY OF — Water Quality Report 2026
Serving 1,900 people · Montana
Water Source
Groundwater
County
—
System ID
MT0000343
Violations
73
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 THREE FORKS CITY OF
Is THREE FORKS CITY OF water safe to drink?
THREE FORKS CITY OF water receives a grade of F (16/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 73 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has THREE FORKS CITY OF detected?
1 contaminants were tested in THREE FORKS CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does THREE FORKS CITY OF have any EPA violations?
Yes, THREE FORKS CITY OF has 73 EPA violation(s) on record, with the most recent in 2019. Violation types include Other, MCL, MR. 2 are health-based violations.
How many people does THREE FORKS CITY OF serve?
THREE FORKS CITY OF serves approximately 1,900 people, Montana. The system provides water to 1 community: Three Forks.
What type of water does THREE FORKS CITY OF provide?
THREE FORKS CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MT0000343.
How does THREE FORKS CITY OF compare to other utilities in Montana?
THREE FORKS CITY OF scores 16/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Montana state page for a full comparison of water systems.