F13/100
KALISPELL PUBLIC WORKS — Water Quality Report 2026
Serving 25,000 people · Montana
Water Source
Groundwater
County
—
System ID
MT0000259
Violations
69
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.007 µg/L | 0.004 µg/L | Over Limit |
chlorate | 790.00 µg/L | — | Above Goal |
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 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 KALISPELL PUBLIC WORKS
Is KALISPELL PUBLIC WORKS water safe to drink?
KALISPELL PUBLIC WORKS water receives a grade of F (13/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 69 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has KALISPELL PUBLIC WORKS detected?
66 contaminants were tested in KALISPELL PUBLIC WORKS's water. Notable contaminants include PFOS, Lead (90th percentile), chlorate. 1 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does KALISPELL PUBLIC WORKS have any EPA violations?
Yes, KALISPELL PUBLIC WORKS has 69 EPA violation(s) on record, with the most recent in 2020. Violation types include MR, Other, MCL. 1 are health-based violations.
How many people does KALISPELL PUBLIC WORKS serve?
KALISPELL PUBLIC WORKS serves approximately 25,000 people, Montana. The system provides water to 1 community: Kalispell.
What type of water does KALISPELL PUBLIC WORKS provide?
KALISPELL PUBLIC WORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MT0000259.
How does KALISPELL PUBLIC WORKS compare to other utilities in Montana?
KALISPELL PUBLIC WORKS scores 13/100 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.