SHELBY CITY OF Water Quality Report

Population

3,970

people served

Water Source

🏔️ Ground

wells & aquifers

National Rank

Top 54%

of 49,184 US systems

5-Year Record

⚠️ 1

violation recorded

B

Good

Safety Grade

1 violation in the past 5 years

System Details

PWSID
MT0000328
Population Served
3,970
Water Source
Ground Water
Owner
Local Government
State
Montana
EPA Region
8

Contaminants of Concern

ContaminantStatusViolations
Contaminant 7000 Monitoring/Reporting3
Contaminant 5000 Monitoring/Reporting3
Total Coliform Monitoring/Reporting2
Contaminant 1094 Monitoring/Reporting1

Violation History

2024
1
2020
2
2019
1
2017
1
2014
2
2013
1
2011
1

Total violations on record: 9

Service Area

Cities Served

ZIP Codes Served

Recommended Water Filters

Based on contaminants detected in this water system:

UV Water Purifier

Kills bacteria and viruses without chemicals

Removes: Total Coliform

$50–$150

How does this compare?

This systemNational average
Grade B
Avg: B-C
9violations total

32% of national average

National avg: ~28 per system

📍 Average-sized water system.