Is Marion, LA tap water safe?
The short answer
3 of the 3 utilities serving Marion have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Village of Marion Water System, Linville - Haile Water System and Litroe Water System.
Village of Marion Water System, which serves the most people here, has 1 result above the legal limit and 2 results above the health goal. The worst: Total trihalomethanes (TTHM) at 73.6 ppb, above the legal limit.
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 Marion’s ZIP codes, from EPA’s estimates.
- Open report
Village of Marion Water System
Louisiana · serves 1,533 people · under 100 in Marion
1 result above the legal limit and 2 results above the health goal. The worst: Total trihalomethanes (TTHM) at 73.6 ppb, above the legal limit.
37 health-based violations since 2016
- Open report
Linville - Haile Water System
Louisiana · serves 1,635 people · under 100 in Marion
1 result above the legal limit and 2 results above the health goal. The worst: Total trihalomethanes (TTHM) at 319 ppb, above the legal limit.
43 health-based violations since 2016
- Open report
Litroe Water System
Louisiana · serves 369 people · based in Marion
2 results above the legal limit and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 344 ppb, above the legal limit.
60 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 Village of Marion Water System’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: Total trihalomethanes (TTHM), 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: Total trihalomethanes (TTHM), Lead, Arsenic
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Total trihalomethanes (TTHM), Lead, Arsenic
Water testing near Marion
No lab Louisiana certifies is within 75 miles of Marion on the state’s list. Some take samples by mail; the state’s page lists them all.
All 48 certified labs for LouisianaZIP codes in Marion
Which ZIP codes are in Marion: 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.
Near Marion
Towns nearby with a page of their own.
What to do next
- Read Village of Marion Water System’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water