Sodium in Caldwell water
4 systems serving Caldwell detected Sodium in the last 36 months.
| System | 36 mo max | Latest | Status | Last sample |
|---|---|---|---|---|
| Caldwell Housing Authority | 85.30ppm | 85.30ppm | Detected | 2025-06-16 |
| City of Caldwell | 58.70ppm | 32.10ppm | Detected | 2025-08-20 |
| H and L Park | 15.10ppm | 15.10ppm | Detected | 2025-11-17 |
| Lakeys Cafe and Trailer Park | 14.30ppm | 14.30ppm | Detected | 2025-11-17 |
Sodium is not regulated. EPA has a guidance level of 20 mg/L for people on very low sodium diets.Agency language as recorded in the contaminant reference. This site does not paraphrase health guidance.
Sodium in Treasure Valley drinking water. Caldwell water quality.
Numbers are the system's samples at its taps and wells, not yours. Lead and copper are 90th percentiles from sampled homes. Well pages are nearby-sample estimates. Health text restates EPA and DEQ. Methodology.