Is Oberlin, LA tap water safe?
The short answer
2 of the 2 utilities serving Oberlin have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Town of Oberlin Water System and East Allen Parish Water Works.
Town of Oberlin Water System, which serves the most people here, has 1 result above the health goal. The worst: Arsenic at 5.5 ppb, above the health goal. 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 Oberlin’s ZIP codes, from EPA’s estimates.
- Open report
Town of Oberlin Water System
Louisiana · serves 2,730 people · under 100 in Oberlin
1 result above the health goal. The worst: Arsenic at 5.5 ppb, above the health goal.
2 health-based violations since 2016
- Open report
East Allen Parish Water Works
Louisiana · serves 3,030 people · based in Oberlin
2 results above the legal limit and 1 result above the health goal. The worst: Arsenic at 9.7 ppb, above the legal limit.
6 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 Town of Oberlin 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 Oberlin
The 3 labs Louisiana certifies closest to Oberlin, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
LDH Lake Charles Regional Laboratory
Lake Charles, LA · about 34 miles
Certified for bacteria
JRTC & Fort Johnson Environmental Laboratory
Fort Polk, LA · about 40 miles
Certified for bacteria
SGS North America, Inc. - Scott
Scott, LA · about 47 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Which ZIP codes are in Oberlin: 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 Oberlin
Towns nearby with a page of their own.
What to do next
- Read Town of Oberlin Water System’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water