Water Quality in 39401 — Hattiesburg, MS
EPA data for CITY OF HATTIESBURG
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 39401 in Hattiesburg, Mississippi is served by CITY OF HATTIESBURG (EPA ID: MS0180008). This system provides water to approximately 43,449 people from groundwater sources.
There are 10 community water systems serving this area.
Lead & Copper in Your Water
No Lead & Copper Rule sampling data available for systems serving this ZIP code.
Violation Summary
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| October 1, 2024 | Revised Total Coliform Rule | Monitoring | Unresolved |
| October 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| January 1, 2024 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| January 1, 2024 | Total Trihalomethanes (TTHM) | Monitoring | Unresolved |
| January 1, 2024 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| January 1, 2024 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| January 1, 2024 | Total Trihalomethanes (TTHM) | Monitoring | Unresolved |
| January 1, 2024 | Total Trihalomethanes (TTHM) | Monitoring | Unresolved |
| October 1, 2023 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| October 1, 2023 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| October 1, 2023 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| October 1, 2023 | Total Trihalomethanes (TTHM) | Monitoring | Unresolved |
| October 1, 2023 | Total Trihalomethanes (TTHM) | Monitoring | Unresolved |
| October 1, 2023 | Total Trihalomethanes (TTHM) | Monitoring | Unresolved |
| January 1, 2023 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| January 1, 2023 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| January 1, 2023 | Total Trihalomethanes (TTHM) | Monitoring | Unresolved |
| January 1, 2023 | Total Trihalomethanes (TTHM) | Monitoring | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for water systems serving this ZIP code:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 10 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 10 | No |
| Revised Total Coliform Rule | Microbiological | 2 | No |
Need help with your water quality?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| CITY OF HATTIESBURG | MS0180008 | 43,449 | Groundwater |
| WEST LAMAR WATER ASSN #1 | MS0370011 | 18,491 | Groundwater |
| NORTH LAMAR WATER ASSOCIATION | MS0370006 | 12,778 | Groundwater |
| LAMAR PARK WATER & SEWAGE ASSN | MS0370004 | 7,714 | Groundwater |
| ARNOLD LINE WATER ASSOCIATION | MS0370001 | 6,600 | Groundwater |
What You Can Do
- Review your annual Consumer Confidence Report (CCR) — Your utility publishes this each July
- Test your home’s water — Especially if you have older plumbing (pre-1986) that may contain lead
- Stay informed — Bookmark this page to check for updates on your water quality
Need help with water testing or filtration?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Other Water Quality Reports in Mississippi
- 38601 (Abbeville) — 19 violations
- 38603 (Ashland) — 13 violations
- 38606 (Batesville) — 35 violations
- 38610 (Blue Mountain) — 20 violations
- 38611 (Byhalia) — 27 violations
- 38614 (Clarksdale) — 72 violations
- 38617 (Coahoma) — 18 violations
- 38618 (Coldwater) — 31 violations
- 38619 (Como) — 223 violations
- 38620 (Courtland) — 18 violations
- 38621 (Crenshaw) — 29 violations
- 38622 (Crowder)
- 38623 (Darling) — 11 violations
- 38625 (Dumas) — 12 violations
- 38627 (Etta) — 22 violations
- 38634 (Holly Springs) — 4 violations
- 38671 (Southaven) — 4 violations
- 38680 (Walls) — 12 violations
- 38701 (Greenville) — 31 violations
- 38732 (Cleveland) — 10 violations
Nearby Water Quality Reports
- 39440 (Laurel) — 29 mi — 36 violations
- 70427 (Bogalusa, LA) — 50 mi — 16 violations
- 39522 (Stennis Space Center) — 64 mi — 4 violations
- 39648 (Mccomb) — 65 mi — 59 violations
- 39501 (Gulfport) — 66 mi — 37 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for CITY OF HATTIESBURG (MS0180008) on EPA.gov.
Frequently Asked Questions
Is the tap water in 39401 safe to drink?
Based on EPA records, the water system serving ZIP code 39401 has only monitoring/reporting violations, which are procedural in nature. However, individual home conditions (old pipes, well water) can affect quality.
Where does 39401’s water come from?
The primary water source for this area is groundwater. CITY OF HATTIESBURG serves approximately 43,449 people.
How can I get my water tested?
Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.
Does 39401 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 39401. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 39401?
Radon zone data is not available for ZIP code 39401. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.