B71/100

POPLAR, CITY OF — Water Quality Report 2026

Serving 3,025 people · Montana

Water Source
Purchased Surface Water
County
System ID
083090051
Violations
17

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Copper (90th percentile)
1.70 mg/L1.30 mg/LOver Limit

EPA Violation History

7

Violations (last 5yr)

5

Unresolved

0

Health-Related

TIER 3Unresolved

Surface water treatment technique failure

When: July 1, 2025Verify on EPA.gov
TIER 3Unresolved

Failed Level 2 Assessment under Revised Total Coliform Rule

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

When: January 1, 2024 – December 31, 2024Rule: Stage 2 DBPRVerify on EPA.gov
TIER 3Unresolved

Failed Level 2 Assessment under Revised Total Coliform Rule

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

When: January 1, 2024 – December 31, 2024Rule: Stage 2 DBPRVerify on EPA.gov
TIER 3Resolved

Failed to complete routine monitoring

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

When: December 1, 2022 – December 31, 2022Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring Violation

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

When: December 1, 2022 – December 31, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved

Failed Level 2 Assessment under Revised Total Coliform Rule

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

When: September 1, 2022 – August 31, 2023Rule: Stage 2 DBPRVerify on EPA.gov
TIER 3Unresolved

Failed Level 2 Assessment under Revised Total Coliform Rule

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

When: September 1, 2022 – August 31, 2023Rule: Stage 2 DBPRVerify on EPA.gov

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 POPLAR, CITY OF

Is POPLAR, CITY OF water safe to drink?

POPLAR, CITY OF water receives a grade of B (71/100), which is considered good. 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 POPLAR, CITY OF detected?

2 contaminants were tested in POPLAR, CITY OF's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).

Does POPLAR, CITY OF have any EPA violations?

Yes, POPLAR, CITY OF has 17 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MON. 1 are health-based violations.

How many people does POPLAR, CITY OF serve?

POPLAR, CITY OF serves approximately 3,025 people, Montana.

What type of water does POPLAR, CITY OF provide?

POPLAR, CITY OF 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 083090051.

How does POPLAR, CITY OF compare to other utilities in Montana?

POPLAR, CITY OF scores 71/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Montana state page for a full comparison of water systems.