Tap water in Round Rock, TX — ZIP 78681
6 public water systems serving about 1,501,268 people. PFAS "forever chemicals" have been detected here.
F
Failing
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 78681
City Of Austin Water & Wastewater
PWSID TX2270001 · serves 1,115,323 ·
surface water
1 health-based / 1 total violations (5 yrs)
· PFAS up to 8.4 ppt — above federal limit
City Of Georgetown
PWSID TX2460001 · serves 191,639 ·
surface water
1 health-based / 3 total violations (5 yrs)
· PFAS up to 33.8 ppt — above federal limit
City Of Round Rock
PWSID TX2460003 · serves 130,662 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.7 ppt
Manville Wsc
PWSID TX2270033 · serves 39,648 ·
surface water
4 health-based / 9 total violations (5 yrs)
· PFAS up to 24.3 ppt — above federal limit
Brushy Creek Mud
PWSID TX2460061 · serves 18,314 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 6.1 ppt
Fern Bluff Mud
PWSID TX2460128 · serves 5,682 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 5.7 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology