Tap water in Van Alstyne, TX — ZIP 75491

2 public water systems serving about 15,948 people. PFAS "forever chemicals" have been detected here.

Good

PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5 testing. Levels and the 2024 federal limits are shown per system below.

Water systems serving 75491

Southwest Fannin County Sud

PWSID TX0740031 · serves 9,198 · groundwater

0 health-based / 0 total violations (5 yrs)

South Grayson Sud

PWSID TX0910064 · serves 6,750 · groundwater

0 health-based / 3 total violations (5 yrs) · PFAS up to 8.4 ppt

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology