C40/100
PABLO LAKE COUNTY WATER AND SEWER DIST — Water Quality Report 2026
Serving 2,175 people · Montana
Water Source
Groundwater
County
—
System ID
MT0001917
Violations
17
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
2
Health-Related
TIER 1 — URGENTResolved
Maximum Contaminant Level Violation
When: November 1, 2023 – November 28, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – July 17, 2023Enforcement: Resolving — corrective action underway
TIER 2Resolved
Maximum contaminant level violation
When: April 9, 2023 – November 28, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – July 26, 2021Enforcement: Resolving — corrective action underway
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 PABLO LAKE COUNTY WATER AND SEWER DIST
Is PABLO LAKE COUNTY WATER AND SEWER DIST water safe to drink?
PABLO LAKE COUNTY WATER AND SEWER DIST water receives a grade of C (40/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 17 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PABLO LAKE COUNTY WATER AND SEWER DIST detected?
1 contaminants were tested in PABLO LAKE COUNTY WATER AND SEWER DIST's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does PABLO LAKE COUNTY WATER AND SEWER DIST have any EPA violations?
Yes, PABLO LAKE COUNTY WATER AND SEWER DIST has 17 EPA violation(s) on record, with the most recent in 2023. Violation types include MCL, Other, TT. 10 are health-based violations.
How many people does PABLO LAKE COUNTY WATER AND SEWER DIST serve?
PABLO LAKE COUNTY WATER AND SEWER DIST serves approximately 2,175 people, Montana. The system provides water to 1 community: Pablo.
What type of water does PABLO LAKE COUNTY WATER AND SEWER DIST provide?
PABLO LAKE COUNTY WATER AND SEWER DIST sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MT0001917.
How does PABLO LAKE COUNTY WATER AND SEWER DIST compare to other utilities in Montana?
PABLO LAKE COUNTY WATER AND SEWER DIST scores 40/100 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.