Is Hattiesburg, MS tap water safe?
Data: U.S. EPA · How we read the data · How we check it
Summary
No federal limits exceeded in EPA data for City of Hattiesburg.
City of Hattiesburg supplies Hattiesburg (43,449 people).
Water system
City of Hattiesburg
43,449 people · Groundwater · EPA ID MS0180008
| PFAS | Highest average | Limit |
|---|---|---|
| PFOA Not detected | – | 4 ppt |
| PFOS Not detected | – | 4 ppt |
| PFHxS Not detected | – | 10 ppt |
| PFNA Not detected | – | 10 ppt |
| HFPO-DA (GenX) Not detected | – | 10 ppt |
ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.
Lead: 10.4 ppb at the 90th percentile (Dec 2023, and 9 in 10 homes sampled were at or below it) Near 2027 action level
Health-based violations since 2016: 0
Across Mississippi, 5 of 235 water systems EPA tested had PFAS above a 2024 federal limit, and 10 systems were above the lead action level in results from the last five years. Mississippi results.
Hattiesburg homes and lead pipes
Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.
Housing: Census American Community Survey 2020–2024 5-year estimates for Hattiesburg city (tables B25034, B25003). Estimates for small places have a margin of error.
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Gulfport 63 mi City of Gulfport | None above limits | 1.5 ppb |
| Biloxi 65 mi West Jackson County Utility District | None above limits | 2.6 ppb |
| Brandon 78 mi City of Brandon | None above limits | 1.6 ppb |
| Pearl 81 mi City of Pearl | None above limits | 1.2 ppb |
| Meridian 83 mi City of Meridian | None above limits | 0 ppb |
| Jackson 87 mi City of Jackson | None above limits | 3.2 ppb |
Hattiesburg ZIP codes (2)
- 39401
- 39406
Questions
Is Hattiesburg tap water safe to drink?
City of Hattiesburg has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.
Who supplies water in Hattiesburg, MS?
City of Hattiesburg, which serves 43,449 people.
Does Hattiesburg tap water have PFAS?
None detected above EPA's reporting limits. City of Hattiesburg had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.
Do Hattiesburg homes have lead pipes?
Census estimates put 49% of Hattiesburg homes as built before 1980 (Mississippi: 42%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. City of Hattiesburg's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.
Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.