Is Union City, GA 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 Union City Water System. 3 PFAS were detected below the limits.
Union City Water System supplies Union City (18,636 people).
Water system
Union City Water System
18,636 people · Purchased surface water · EPA ID GA1210010
Buys treated water from City of Atlanta Department of Watershed Management.
| 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: 4.2 ppb at the 90th percentile (Dec 2003, and 9 in 10 homes sampled were at or below it) No results since 2003
Health-based violations since 2016: 11
Across Georgia, 27 of 252 water systems EPA tested had PFAS above a 2024 federal limit, and 16 systems were above the lead action level in results from the last five years. Georgia results.
Union City 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 Union City city (tables B25034, B25003). Estimates for small places have a margin of error.
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| East Point 7 mi East Point Water System | None above limits | 1.7 ppb |
| Douglasville 13 mi Douglasville-Douglas County Water & Sewer Authority | None above limits | 2.3 ppb |
| Peachtree City 14 mi Fayette County Water System | None above limits | 1.3 ppb |
| Atlanta 14 mi City of Atlanta Department of Watershed Management | None above limits | 1.4 ppb |
| Mableton 15 mi Cobb County Water System | None above limits | – |
| Smyrna 19 mi Cobb County Water System | None above limits | – |
Union City ZIP codes (1)
- 30291
Questions
Is Union City tap water safe to drink?
Union City Water System had 11 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 Union City, GA?
Union City Water System, which serves 18,636 people.
Does Union City tap water have PFAS?
Union City Water System had 3 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.
Do Union City homes have lead pipes?
Census estimates put 23% of Union City homes as built before 1980 (Georgia: 32%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Union City Water System'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.