RIVER ROCK COUNTY WATER AND SEWER DIST Water Quality Report
Population
4,200
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 18
violations recorded
C
Fair
Safety Grade
18 violations in the past 5 years
System Details
- PWSID
- MT0004082
- Population Served
- 4,200
- Water Source
- Ground Water
- Owner
- Private
- State
- Montana
- EPA Region
- 8
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 5000 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 4 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 13 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 13 |
| Beryllium | ⚠ Monitoring/Reporting | 1 |
| Antimony | ⚠ Monitoring/Reporting | 1 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 2 |
| Cyanide | ⚠ Monitoring/Reporting | 3 |
| Contaminant 2032 | ⚠ Monitoring/Reporting | 3 |
| Contaminant 2033 | ⚠ Monitoring/Reporting | 3 |
| Contaminant 2034 | ⚠ Monitoring/Reporting | 3 |
| Contaminant 2383 | ⚠ Monitoring/Reporting | 3 |
| Contaminant 2931 | ⚠ Monitoring/Reporting | 3 |
| Contaminant 2946 | ⚠ Monitoring/Reporting | 3 |
| Contaminant 1094 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 1032 | ⚠ Monitoring/Reporting | 1 |
Violation History
2024
6
2023
8
2022
2
2021
2
2020
26
2019
4
2018
4
2017
2
2016
1
2015
1
Total violations on record: 62
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)
How does this compare?
This systemNational average
Grade C
Avg: B-C
62violations total
221% of national average
National avg: ~28 per system
📍 Average-sized water system.