F0/100
SEELEY LAKE WATER DISTRICT — Water Quality Report 2026
Serving 1,575 people · Montana
Water Source
Surface Water
County
—
System ID
MT0000327
Violations
87
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.80 mg/L | 1.30 mg/L | Over Limit |
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 2020.
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 SEELEY LAKE WATER DISTRICT
Is SEELEY LAKE WATER DISTRICT water safe to drink?
SEELEY LAKE WATER DISTRICT water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 87 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SEELEY LAKE WATER DISTRICT detected?
22 contaminants were tested in SEELEY LAKE WATER DISTRICT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does SEELEY LAKE WATER DISTRICT have any EPA violations?
Yes, SEELEY LAKE WATER DISTRICT has 87 EPA violation(s) on record, with the most recent in 2020. Violation types include MR, Other, MCL. 6 are health-based violations.
How many people does SEELEY LAKE WATER DISTRICT serve?
SEELEY LAKE WATER DISTRICT serves approximately 1,575 people, Montana. The system provides water to 1 community: Seeley Lake.
What type of water does SEELEY LAKE WATER DISTRICT provide?
SEELEY LAKE WATER DISTRICT 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 MT0000327.
How does SEELEY LAKE WATER DISTRICT compare to other utilities in Montana?
SEELEY LAKE WATER DISTRICT scores 0/100 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.