Is Waveland, MS tap water safe?
The short answer
2 of the 2 utilities serving Waveland have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Mississippi’s records: City of Bay St Louis and City of Waveland.
City of Bay St Louis, which serves the most people here, has 1 result above the legal limit, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 68.4 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 Waveland’s ZIP codes, from EPA’s estimates.
- Open report
City of Bay St Louis
Mississippi · serves 9,284 people · about 5,900 in Waveland
1 result above the legal limit, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 68.4 ppb, above the legal limit.
5 health-based violations since 2016
- Open report
City of Waveland
Mississippi · serves 6,400 people · under 100 in Waveland
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 15 ppb, above EPA’s health benchmark.
2 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 Bay St Louis’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 Waveland
The 3 labs Mississippi certifies closest to Waveland, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Micro-Methods Laboratory
Ocean Springs, MS · about 40 miles
Certified for bacteria
Huntington Ingalls, Inc
Pascagoula, MS · about 55 miles
Certified for bacteria
Bonner Analytical Testing, Inc.
Hattiesburg, MS · about 73 miles
Certified for bacteria
Mississippi State Department of Health: Bacteria testing for private wells: apply online, and the department takes a sample from your well and tests it. It does not test for minerals or chemicals. $10 plus a processing fee, invoiced by email. Private Well Sample application, Mississippi State Department of Health.
All 5 certified labs for MississippiWhich ZIP codes are in Waveland: 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: MSDH, water supply certification: in-state participating labs; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Waveland
Other towns in Hancock County with a page of their own.
What to do next
- Read City of Bay St Louis’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