City of Grapevine is a large public water system in EPA region 6 that provides tap water for the 76039 zip codes. It has 5 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.
The maximum reported level of cylindrospermopsin was 0.17 µg/L. The maximum reported level of HAA5 (five regulated haloacetic acids) was 29.381 µg/L. The maximum reported level of Manganese was 348.5 µg/L. Some (1 of 8 or 13%) of the latest water samples showed levels of Manganese that were at or above unsafe concentration levels. There were 3 contamintants found in the City of Grapevine water supply at levels that were above the minimum reporting level. 1 of the contaminants were above the reference level, which means they may pose a risk to human health.