TapScore

LIBBY CITY OF Water Quality Report

Population

4,892

people served

Water Source

🌊 Surface

rivers, lakes, reservoirs

National Rank

—

of 49,184 US systems

5-Year Record

⚠️ 51

violations recorded

F

Unsafe

Safety Grade

51 violations in the past 5 years, including 12 health-based

System Details

PWSID
MT0000274
Population Served
4,892
Water Source
Surface Water
Owner
Local Government
State
Montana
EPA Region
8

Contaminants of Concern

ContaminantStatusViolations
Contaminant 0200✕ Health-Based1
Contaminant 5000⚠ Monitoring/Reporting2
Contaminant 7000⚠ Monitoring/Reporting4
Contaminant 0300✕ Health-Based8
Contaminant 2378⚠ Monitoring/Reporting2
Vinyl Chloride⚠ Monitoring/Reporting2
Contaminant 2955⚠ Monitoring/Reporting2
Trichloroethylene (TCE)⚠ Monitoring/Reporting2
Contaminant 2968⚠ Monitoring/Reporting2
Tetrachloroethylene (PCE)⚠ Monitoring/Reporting2
Contaminant 2976⚠ Monitoring/Reporting2
Contaminant 2977⚠ Monitoring/Reporting2
Contaminant 2979⚠ Monitoring/Reporting2
Contaminant 2980⚠ Monitoring/Reporting2
Contaminant 2981⚠ Monitoring/Reporting2
Contaminant 2982⚠ Monitoring/Reporting2
Contaminant 2983⚠ Monitoring/Reporting2
Chloramine⚠ Monitoring/Reporting2
Contaminant 2985⚠ Monitoring/Reporting2
Contaminant 2987⚠ Monitoring/Reporting2
Contaminant 2989⚠ Monitoring/Reporting2
Contaminant 2990⚠ Monitoring/Reporting2
Contaminant 2991⚠ Monitoring/Reporting2
Contaminant 2992⚠ Monitoring/Reporting2
Contaminant 2996⚠ Monitoring/Reporting2
Contaminant 0800✕ Health-Based3

Violation History

2022
6
2021
45
2019
2
2015
2
2011
2
2007
1
2001
1
1993
1

Total violations on record: 60

Service Area

Cities Served

LIBBY

ZIP Codes Served

59923

Recommended Water Filters

Based on contaminants detected in this water system:

Activated Carbon Filter

Effective for chlorine, THMs, pesticides, and taste/odor improvement

Removes: Trichloroethylene (TCE), Tetrachloroethylene (PCE), Vinyl Chloride

$20–$100

How does this compare?

This systemNational average
Grade F
Avg: B-C
60violations total

214% of national average

National avg: ~28 per system

📍 Average-sized water system.