Is Plaquemine, LA tap water safe?
The short answer
1 of the 3 utilities serving Plaquemine has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Intracoastal Water System West.
City of Plaquemine Water System, which serves the most people here, has 2 results above EPA’s new limit, which takes effect in 2029, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOA at 6.2 ppt, above EPA’s new limit, which takes effect in 2029.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Plaquemine’s ZIP codes, from EPA’s estimates.
- Open report
City of Plaquemine Water System
Louisiana · serves 14,043 people · about 160 in Plaquemine
2 results above EPA’s new limit, which takes effect in 2029, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOA at 6.2 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Intracoastal Water System West
Louisiana · serves 6,489 people · under 100 in Plaquemine
2 results above the legal limit and 2 results above the health goal. The worst: Haloacetic acids (HAA5) at 99.6 ppb, above the legal limit.
15 health-based violations since 2016
- Open report
Highway 1148 Water System
Louisiana · serves 1,086 people · under 100 in Plaquemine
1 result above the health goal. The worst: Lead at 0.89 ppb, above the health goal.
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in City of Plaquemine Water System’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: PFOA, PFOS, Arsenic, Lead
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: PFOA, PFOS, Arsenic, Lead
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: PFOA, PFOS, Arsenic, Lead
Water testing near Plaquemine
The 3 labs Louisiana certifies closest to Plaquemine, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
LDH Central Laboratory
Baton Rouge, LA · about 17 miles
Certified for bacteria
Element Materials Technology Lafayette, LLC
Lafayette, LA · about 45 miles
Certified for lead and copper, metals
SGS North America, Inc. - Scott
Scott, LA · about 50 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
ZIP codes in Plaquemine
Which ZIP codes are in Plaquemine: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: LDH, laboratories certified by Louisiana for drinking water analysis; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Plaquemine
Towns nearby with a page of their own.
What to do next
- Read City of Plaquemine Water System’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOARanked by certification and what they cost over five years.The best water filters for PFAS, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water