BAKER CITY OF Water Quality Report
Population
1,858
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 107
violations recorded
C
Fair
Safety Grade
107 violations in the past 5 years, including 1 health-based
System Details
- PWSID
- MT0000021
- Population Served
- 1,858
- Water Source
- Ground Water
- Owner
- Local Government
- State
- Montana
- EPA Region
- 8
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7000 | ⚠ Monitoring/Reporting | 10 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 8000 | ✕ Health-Based | 5 |
| Total Coliform | ⚠ Monitoring/Reporting | 2 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 14 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 14 |
| Antimony | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2005 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2010 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2015 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2020 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2031 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2035 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2036 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2037 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2039 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2040 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2041 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2042 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2046 | ⚠ Monitoring/Reporting | 5 |
| Atrazine | ⚠ Monitoring/Reporting | 5 |
| Benzene | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2065 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2067 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2105 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2110 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2274 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2306 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2326 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2959 | ⚠ Monitoring/Reporting | 5 |
| Gross Alpha | ⚠ Monitoring/Reporting | 1 |
| Radium-226 | ⚠ Monitoring/Reporting | 1 |
Violation History
2025
3
2024
1
2022
71
2021
32
2020
29
2019
5
2018
7
2017
7
2016
7
2015
2
Total violations on record: 168
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Reverse Osmosis System
Removes up to 99% of contaminants including PFAS, lead, arsenic, and nitrates
Removes: Radium-226
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Atrazine, Benzene
UV Water Purifier
Kills bacteria and viruses without chemicals
Removes: Total Coliform
How does this compare?
This systemNational average
Grade C
Avg: B-C
168violations total
600% of national average
National avg: ~28 per system
🏘️ Small community water system.