Is Kaplan, LA tap water safe?
The short answer
2 of the 2 utilities serving Kaplan have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: City of Kaplan Water System and Pecan Island Ww District No 3.
City of Kaplan Water System, which serves the most people here, has 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 17.5 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
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 Kaplan’s ZIP codes, from EPA’s estimates.
- Open report
City of Kaplan Water System
Louisiana · serves 4,340 people · under 100 in Kaplan
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 17.5 ppb, above EPA’s health benchmark.
1 health-based violation since 2016
- Open report
Pecan Island Ww District No 3
Louisiana · serves 1,230 people · based in Kaplan
Nothing in its records is above a health goal.
5 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 Kaplan 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: Arsenic
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: Arsenic
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: Arsenic
Water testing near Kaplan
The 3 labs Louisiana certifies closest to Kaplan, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Element Materials Technology Lafayette, LLC
Lafayette, LA · about 33 miles
Certified for lead and copper, metals
SGS North America, Inc. - Scott
Scott, LA · about 35 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
LDH Lake Charles Regional Laboratory
Lake Charles, LA · about 56 miles
Certified for bacteria
ZIP codes in Kaplan
Which ZIP codes are in Kaplan: 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 Kaplan
Towns nearby with a page of their own.
What to do next
- Read City of Kaplan Water System’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water