C44/100
BIG TIMBER CITY OF — Water Quality Report 2026
Serving 1,650 people · Montana
Water Source
Surface Water
County
—
System ID
MT0000463
Violations
37
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.49 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.003 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 BIG TIMBER CITY OF
Is BIG TIMBER CITY OF water safe to drink?
BIG TIMBER CITY OF water receives a grade of C (44/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 37 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has BIG TIMBER CITY OF detected?
2 contaminants were tested in BIG TIMBER CITY OF's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does BIG TIMBER CITY OF have any EPA violations?
Yes, BIG TIMBER CITY OF has 37 EPA violation(s) on record, with the most recent in 2014. Violation types include TT, Other, MR. 2 are health-based violations.
How many people does BIG TIMBER CITY OF serve?
BIG TIMBER CITY OF serves approximately 1,650 people, Montana. The system provides water to 1 community: Big Timber.
What type of water does BIG TIMBER CITY OF provide?
BIG TIMBER CITY OF sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MT0000463.
How does BIG TIMBER CITY OF compare to other utilities in Montana?
BIG TIMBER CITY OF scores 44/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Montana state page for a full comparison of water systems.