TapSafetyReport
D22/100

TWO MEDICINE WATER - EAST GLACIER — Water Quality Report 2026

Serving 1,504 people · Montana

Water Source
Surface Water
County
—
System ID
083090090
Violations
55

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.003 mg/L0.015 mg/LAbove Goal

EPA Violation History

15

Violations (last 5yr)

0

Unresolved

1

Health-Related

TIER 3Resolved

Surface water treatment technique failure

When: October 1, 2023 – December 6, 2023Enforcement: Resolving — corrective action underway
TIER 2Resolved

Violation related to Lead and Copper Rule

When: December 9, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2022 – April 4, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: December 30, 2021 – August 29, 2022Rule: Ground Water RuleEnforcement: 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 TWO MEDICINE WATER - EAST GLACIER

Is TWO MEDICINE WATER - EAST GLACIER water safe to drink?

TWO MEDICINE WATER - EAST GLACIER water receives a grade of D (22/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 55 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has TWO MEDICINE WATER - EAST GLACIER detected?

1 contaminants were tested in TWO MEDICINE WATER - EAST GLACIER's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does TWO MEDICINE WATER - EAST GLACIER have any EPA violations?

Yes, TWO MEDICINE WATER - EAST GLACIER has 55 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, TT, MR. 5 are health-based violations.

How many people does TWO MEDICINE WATER - EAST GLACIER serve?

TWO MEDICINE WATER - EAST GLACIER serves approximately 1,504 people, Montana.

What type of water does TWO MEDICINE WATER - EAST GLACIER provide?

TWO MEDICINE WATER - EAST GLACIER 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 083090090.

How does TWO MEDICINE WATER - EAST GLACIER compare to other utilities in Montana?

TWO MEDICINE WATER - EAST GLACIER scores 22/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Montana state page for a full comparison of water systems.