Is Rayne, LA tap water safe?
The short answer
2 of the 3 utilities serving Rayne have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: South Rayne Water Corporation and North of Crowley Water Corporation.
South Rayne Water Corporation, which serves the most people here, has 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 17.2 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 Rayne’s ZIP codes, from EPA’s estimates.
- Open report
South Rayne Water Corporation
Louisiana · serves 4,254 people · about 200 in Rayne
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 17.2 ppb, above EPA’s health benchmark.
3 health-based violations since 2016
- Open report
City of Rayne Water System
Louisiana · serves 10,908 people · under 100 in Rayne
1 result above EPA’s health benchmark. The worst: Lithium at 17.4 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
North of Crowley Water Corporation
Louisiana · serves 4,020 people · under 100 in Rayne
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 35 ppb, above EPA’s health benchmark.
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 South Rayne Water Corporation’s water, which serves the most people here. Another utility’s report names what handles its own results.
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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: Lead, 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: Lead, Arsenic
Water testing near Rayne
The 3 labs Louisiana certifies closest to Rayne, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
SGS North America, Inc. - Scott
Scott, LA · about 8 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Element Materials Technology Lafayette, LLC
Lafayette, LA · about 15 miles
Certified for lead and copper, metals
LDH Lake Charles Regional Laboratory
Lake Charles, LA · about 57 miles
Certified for bacteria
ZIP codes in Rayne
Which ZIP codes are in Rayne: 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 Rayne
Towns nearby with a page of their own.
What to do next
- Read South Rayne Water Corporation’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