Public water system record
Cobb Co.-Marietta Water Auth.
On record as serving Cobb County, GA · Population served not reported
Federal records show no health-based violations and 3 monitoring/reporting issues for Cobb Co.-Marietta Water Auth. 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
- 3
Key facts
- Cobb Co.-Marietta Water Auth. draws water from 2 surface water intakes.
- Record on file since 2002, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 3 service lines.
Check whether Cobb Co.-Marietta Water Auth. 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.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Full record since 2002
EPA's records for Cobb Co.-Marietta Water Auth. go back to 2002. Before October 19, 2016 they list no health-based violations and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 3 |
| 2020s | 0 | 3 |
Where the water comes from
Cobb Co.-Marietta Water Auth. draws water from 2 surface water intakes. 9 other community water systems buy water from Cobb Co.-Marietta Water Auth. 1 other public water system has an emergency connection to Cobb Co.-Marietta Water Auth.
Community systems that buy water from it
- Austell Austell, GA
- Cherokee County Canton, GA
- Cobb County Marietta, GA
- Marietta Board of Lights and Water Marietta, GA
- Mountain Park Mountain Park, GA
- North Fulton County Alpharetta, GA
- Paulding County Water System Dallas, GA
- Smyrna Smyrna, GA
- Woodstock Woodstock, GA
Annual water quality report
Cobb Co.-Marietta Water Auth. 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.
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