Public water system record
Cobb County
Serves an area of Cobb County, GA that includes Mableton, Acworth, Kennesaw and 7 more places · 695,000 people served
Federal records show no health-based violations and no monitoring or reporting issues for Cobb County in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Cobb County buys its water from Cobb Co.-Marietta Water Auth.
- Record on file since 1992, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 193,880 service lines.
Check whether Cobb County serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Full record since 1992
EPA's records for Cobb County go back to 1992. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 1 |
| 2000s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 1992, Archived.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1992 | Archived |
Where the water comes from
Cobb County buys its water from Cobb Co.-Marietta Water Auth. It lists no wells or intakes of its own. 2 other community water systems buy water from Cobb County. 2 other public water systems have emergency connections to Cobb County.
Buys water from
- Cobb Co.-Marietta Water Auth. Marietta, GA
Community systems that buy water from it
- Bartow County Cartersville, GA
- Marietta Board of Lights and Water Marietta, GA
Annual water quality report
Cobb County must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Georgia.
Certified drinking water labs by state EPA guidance for private wells