Washington Co. RWD #3 (New #1) is a large public water system in EPA region 6 that provides tap water for the 74021, 74061, 74073 zip codes. It has 7 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 48.384 µg/L. There were 1 contamintants found in the Washington Co. RWD #3 (New #1) water supply at levels that were above the minimum reporting level.
The latest water samples were taken on June 4th, 2025.