A90/100
PLENTYWOOD WATER DEPARTMENT — Water Quality Report 2026
Serving 1,700 people · Montana
Water Source
Purchased Surface Water
County
—
System ID
MT0000306
Violations
2
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.36 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2017.
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 PLENTYWOOD WATER DEPARTMENT
Is PLENTYWOOD WATER DEPARTMENT water safe to drink?
PLENTYWOOD WATER DEPARTMENT water receives a grade of A (90/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has PLENTYWOOD WATER DEPARTMENT detected?
2 contaminants were tested in PLENTYWOOD WATER DEPARTMENT's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does PLENTYWOOD WATER DEPARTMENT have any EPA violations?
Yes, PLENTYWOOD WATER DEPARTMENT has 2 EPA violation(s) on record, with the most recent in 2017. Violation types include MR.
How many people does PLENTYWOOD WATER DEPARTMENT serve?
PLENTYWOOD WATER DEPARTMENT serves approximately 1,700 people, Montana. The system provides water to 1 community: Plentywood.
What type of water does PLENTYWOOD WATER DEPARTMENT provide?
PLENTYWOOD WATER DEPARTMENT sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MT0000306.
How does PLENTYWOOD WATER DEPARTMENT compare to other utilities in Montana?
PLENTYWOOD WATER DEPARTMENT scores 90/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Montana state page for a full comparison of water systems.