Is Hattiesburg, MS tap water safe?
The short answer
None of the 10 utilities serving Hattiesburg has 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 Petal, which serves the most people here, has 1 result above the health goal. The worst: Arsenic at 0.17 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 Hattiesburg’s ZIP codes, from EPA’s estimates.
- Open report
City of Petal
Mississippi · serves 9,509 people · about 7,900 in Hattiesburg
1 result above the health goal. The worst: Arsenic at 0.17 ppb, above the health goal.
No health-based violations since 2016
- Open report
West Lamar Water Assn #1
Mississippi · serves 18,491 people · about 1,900 in Hattiesburg
1 result above the health goal. The worst: Lead at 1.7 ppb, above the health goal.
No health-based violations since 2016
- Open report
Arnold Line Water Association
Mississippi · serves 6,600 people · about 1,700 in Hattiesburg
1 result above the health goal. The worst: Lead at 0.8 ppb, above the health goal.
No health-based violations since 2016
- Open report
North Lamar Water Association
Mississippi · serves 12,778 people · about 1,600 in Hattiesburg
1 result above the health goal. The worst: Lead at 1.2 ppb, above the health goal.
No health-based violations since 2016
- Open report
Lamar Park Water & Sewage Assn
Mississippi · serves 7,714 people · about 1,100 in Hattiesburg
1 result above the health goal. The worst: Lead at 1.7 ppb, above the health goal.
No health-based violations since 2016
- Open report
Dixie Community Utility Assn.
Mississippi · serves 5,840 people · about 980 in Hattiesburg
1 result above the limit’s level with no violation recorded and 2 results above the health goal. The worst: Total trihalomethanes (TTHM) at 80.8 ppb, above the limit’s level, no violation.
No health-based violations since 2016
- Open report
City of Hattiesburg
Mississippi · serves 43,449 people · about 200 in Hattiesburg
1 result above the health goal. The worst: Lead at 10.4 ppb, above the health goal.
No health-based violations since 2016
- Open report
Southwest Jones W/A - North
Mississippi · serves 6,690 people · under 100 in Hattiesburg
1 result above the health goal. The worst: Lead at 2.4 ppb, above the health goal.
No health-based violations since 2016
- Open report
Glendale Utility District
Mississippi · serves 4,477 people · based in Hattiesburg
1 result above the health goal. The worst: Lead at 1.3 ppb, above the health goal.
No health-based violations since 2016
- Open report
S MS Public Water Auth - Rock Hill
Mississippi · serves 803 people · based in Hattiesburg
1 result above the health goal. The worst: Lead at 2.4 ppb, above the 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 Petal’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 Hattiesburg
The 2 labs Mississippi certifies closest to Hattiesburg, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Bonner Analytical Testing, Inc.
Hattiesburg, MS · about 5 miles
Certified for bacteria
Micro-Methods Laboratory
Ocean Springs, MS · about 70 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 Hattiesburg: 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 Hattiesburg
Other towns in Forrest County with a page of their own.
What to do next
- Read City of Petal’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