GRANITE PARK WATER ASSOCIATION Water Quality Report

Population

250

people served

Water Source

🏔️ Ground

wells & aquifers

National Rank

Top 94%

of 49,184 US systems

5-Year Record

⚠️ 8

violations recorded

D

Poor

Safety Grade

8 violations in the past 5 years, including 3 health-based

System Details

PWSID
MT0004563
Population Served
250
Water Source
Ground Water
Owner
Private
State
Montana
EPA Region
8

Contaminants of Concern

ContaminantStatusViolations
Contaminant 5000 Monitoring/Reporting1
Contaminant 2039 Monitoring/Reporting1
Total Coliform Monitoring/Reporting4
Total Trihalomethanes (TTHMs) Monitoring/Reporting2
Haloacetic Acids (HAA5) Monitoring/Reporting2
Contaminant 7000 Monitoring/Reporting2
Antimony Health-Based6

Violation History

2024
3
2023
5
2020
2
2018
4
2016
2
2015
1
2014
1

Total violations on record: 18

Service Area

Cities Served

ZIP Codes Served

Recommended Water Filters

Based on contaminants detected in this water system:

Activated Carbon Filter

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

Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)

$20–$100

UV Water Purifier

Kills bacteria and viruses without chemicals

Removes: Total Coliform

$50–$150

How does this compare?

This systemNational average
Grade D
Avg: B-C
18violations total

64% of national average

National avg: ~28 per system

🏘️ Small community water system.