CALDWELL CITY OF Water Quality Report
Population
74,000
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 3
violations recorded
C
Fair
Safety Grade
3 violations in the past 5 years
System Details
- PWSID
- ID3140013
- Population Served
- 74,000
- Water Source
- Ground Water
- Owner
- Local Government
- State
- Idaho
- EPA Region
- 10
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 5000 | ⚠ Monitoring/Reporting | 2 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 5 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 5 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 0999 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 2005 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2010 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2015 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2020 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2031 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2032 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2033 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2034 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2035 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2036 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2037 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2039 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2040 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2041 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2042 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2046 | ⚠ Monitoring/Reporting | 8 |
| Atrazine | ⚠ Monitoring/Reporting | 8 |
| Benzene | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2065 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2067 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2105 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2110 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2274 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2306 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2326 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2383 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2931 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2946 | ⚠ Monitoring/Reporting | 8 |
| Contaminant 2959 | ⚠ Monitoring/Reporting | 8 |
| Arsenic | ⚠ Monitoring/Reporting | 1 |
Violation History
2024
3
2020
174
2019
8
2018
1
2017
62
1997
1
Total violations on record: 249
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: Arsenic
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Atrazine, Benzene
Water Distiller
Removes heavy metals, minerals, and most contaminants through evaporation
Removes: Arsenic
How does this compare?
This systemNational average
Grade C
Avg: B-C
249violations total
889% of national average
National avg: ~28 per system
🏙️ This is a large system — serving 11× more people than the national average.