Tap water in Lockport, LA — ZIP 70343
2 public water systems serving about 198,069 people. PFAS "forever chemicals" have been detected here.
A
Excellent
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 70343
Schriever Water Treatment Service Area
PWSID LA1109002 · serves 116,460 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.8 ppt
Lafourche Water District 1
PWSID LA1057001 · serves 81,609 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.7 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology