Is Gonzales, LA tap water safe?
The short answer
3 of the 7 utilities serving Gonzales have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Pine Trailer Park, Roddy Road Village Ascension, LLC and Family Court Mobile Home Park.
City of Gonzales 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 29.4 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 Gonzales’s ZIP codes, from EPA’s estimates.
- Open report
City of Gonzales Water System
Louisiana · serves 16,806 people · about 5,400 in Gonzales
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 29.4 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Baton Rouge Water Company
Louisiana · serves 596,844 people · about 550 in Gonzales
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 45.6 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Ascension Parish Water Works District 2
Louisiana · serves 1,353 people · about 460 in Gonzales
1 result above the health goal. The worst: Lead at 4.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Pine Trailer Park
Louisiana · serves 60 people · nearly all in Gonzales
1 result above the health goal. The worst: Lead at 4.0 ppb, above the health goal.
8 health-based violations since 2016
- Open report
Roddy Road Village Ascension, LLC
Louisiana · serves 120 people · about 100 in Gonzales
Nothing in its records is above a health goal.
1 health-based violation since 2016
- Open report
Family Court Mobile Home Park
Louisiana · serves 80 people · under 100 in Gonzales
Nothing in its records is above a health goal.
10 health-based violations since 2016
- Open report
St Amant Trailer Park
Louisiana · serves 69 people · based in Gonzales
Nothing in its records is above a 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 Gonzales Water System’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Brita Tahoe Pitcher with Elite Filter (OB60, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 13, 2026
Certified for: Lead
Brita Everyday Pitcher with Elite Filter (OB46, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
Certified for: Lead
PUR PLUS 11-Cup Pitcher (PPT111W)
Pitcher
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
Certified for: Lead
Water testing near Gonzales
The 3 labs Louisiana certifies closest to Gonzales, 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 22 miles
Certified for bacteria
Curtis Environmental Services, Inc.
LaPlace, LA · about 29 miles
Certified for minerals and other inorganics, disinfection byproducts
LDH Amite Regional Laboratory
Amite, LA · about 44 miles
Certified for bacteria
ZIP codes in Gonzales
Which ZIP codes are in Gonzales: 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 Gonzales
Towns nearby with a page of their own.
What to do next
- Read City of Gonzales 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