Louisiana utilities 401 to 500.
Each serves 999 to 1,563 people, as it reports to EPA. Your ZIP code finds yours faster.
401 to 500 of 889, by people served
Every utility EPA sampled for PFAS under UCMR 5, any other community system serving 3,300 people or more, and any smaller one with results from 2020 on, from CDC. Other systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q3, UCMR 5 and EPA’s 2012 to 2019 compliance results, and CDC’s yearly averages.
Where to go next
- Read your utility’s own reportIt has newer results than the yearly averages CDC carries here, which end in 2022, and contaminants these pages don’t show.How to read it
- Every contaminantLegal limits, health goals and what handles each one.All contaminants
- Filters, checkedEvery filter TapBuff has checked against a certifier’s listing, with five-year costs.Compare filters