Tetrachloroethene (PCE), also known as perchloroethylene, tetrachloroethylene, and perchloroethene, is a man-made, colorless, dense liquid. The maximum contaminant level (MCL) for PCE is 5 mcg/L.
Measure Description:
- Public Water Systems - Avg is the number of community water systems that have an annual average concentration of a contaminant in the listed concentration range.
- Population Served - Avg is the population served by community water systems that have an annual average concentration of a contaminant in the listed concentration range.
- Public Water Systems - Max is the number of community water systems that have an annual maximum concentration of a contaminant in the listed concentration range.
- Population Served - Max is the population served by community water systems that have an annual maximum concentration of a contaminant in the listed concentration range.
- Average Concentration by Public Water System is the average concentration of a contaminant.