Trichloroethylene in Treasure Valley drinking water
3 of 125 systems that tested for it in the last 36 months detected it. Trichloroethylene is an organic chemical. Certified filters are in the list.
| System | County | 36 mo max | Latest | Status | Last sample |
|---|---|---|---|---|---|
| Capitol Water Corp. | Ada | 2.1ppb | ND | Detected | 2026-07-14 |
| Veolia Water Idaho | Ada | 2.0ppb | ND | Detected | 2026-07-28 |
| Garden City Water and Sewer System | Ada | 0.7ppb | 0.6ppb | Detected | 2026-05-18 |
Limits
- Federal limit (MCL)
- 5 ug/L (5.0ppb)
- Health goal (MCLG)
- 0.0ppb
Some people who drink water containing trichloroethylene in excess of the MCL over many years could experience problems with their liver and may have an increased risk of getting cancer.EPA, quoted.
Removal methods in the reference list: granular activated carbon, aeration. A method name is not a product certification.
By city: Trichloroethylene in Boise City drinking water, Trichloroethylene in Garden City drinking water, Trichloroethylene in Meridian drinking water.
Not enough groundwater samples in the region to estimate Trichloroethylene in private wells. A lab test is the only way to know.
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.