- EPA's UCMR 5 testing looked for 30 contaminants here and found 2.
- PFPeA (a PFAS): found in 2 of 4 samples, average 1.8 ppt, highest 3.8 ppt (EPA UCMR 5 testing, Jan 2025–Oct 2025)
- PFHxA (a PFAS): found in 1 of 4 samples, average 1.1 ppt, highest 4.4 ppt (EPA UCMR 5 testing, Jan 2025–Oct 2025)
Public EPA test results
Can you drink Marietta tap water? What EPA records show
EPA GA0670005 · serves Marietta, GA · about 60,100 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Marietta Board of Lights and Water (EPA GA0670005)
EPA data as of October 14, 2026. For Marietta's main utility, Marietta Board of Lights and Water: We found no health-based violations in EPA's records for this system (GA0670005) since July 1, 2021, as of October 14, 2026. PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
What EPA records show for Marietta Board of Lights and Water, as of October 14, 2026
We found no health-based violations in EPA's records for this system (GA0670005) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Marietta Board of Lights and Water (SDWIS). Data as of October 14, 2026.
This system buys water from Cobb Co.-Marietta Water Auth. (GA0670002) and Cobb County (GA0670003); see those systems' records.
Source: Cobb Co.-Marietta Water Auth. (GA0670002) report, Cobb County (GA0670003) report. Data as of October 14, 2026.
EPA's UCMR 5 testing looked for 30 contaminants here and found 2.
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Marietta Board of Lights and Water use chloramine?
We didn't find chloramine in Marietta Board of Lights and Water's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.