Vinings is unincorporated Cobb County, so the Cobb County Water System supplies water and runs backflow: any property with a potential cross-connection needs protection, and assemblies must be tested every year by a tester registered with Cobb County, with reports filed through SwiftComply. Call the number on this page to be connected with a local plumber in Vinings.
Vinings and Cobb's backflow program
Vinings is an affluent unincorporated community on the Chattahoochee, across from Buckhead's Paces area, and its 30339 ZIP mails as Atlanta. Despite that address, the water comes from the Cobb County Water System, which serves unincorporated Cobb and buys its treated water from the Cobb County-Marietta Water Authority. Atlanta's backflow program does not apply here; Cobb's does. Address-level service wasn't checked, so glance at your bill.
Cobb's Backflow Prevention Program requires a backflow prevention device on any property with a potential cross-connection that could contaminate the public water system, and a testable assembly on every service connection for non-residential customers. Homes in Vinings often have large irrigated yards and pools, which are the residential connections most likely to need protection. Cobb owns the line from the main to the meter; the pipe from the meter to the house and the assembly on it belong to the owner.
What to do now
- Locate the assembly. Look near the meter or the irrigation tap, and record its make, size and serial number.
- Check the last test date. Cobb requires a passing test every year.
- Pick a registered tester. Cobb publishes an approved list of testing companies.
- Confirm the filing. Reports go through the SwiftComply portal.
- Repair failures. Rebuild worn checks and seals or replace a cracked body, then retest.
- Use the county for permits. As an unincorporated area, Vinings work is permitted by Cobb County Community Development's Building Division, (770) 528-2060.
Symptoms and likely causes
| Symptom | Likely cause |
|---|---|
| Leak at the body | Worn gasket or freeze damage |
| Relief valve discharging on an RP unit | Check held open by debris |
| Weak sprinklers after service | Shutoff not fully reopened |
| Wet spot near the meter | Leak on the owner's side of the meter |
| Test cock dripping | Worn ball valve |
Cost factors
- A clean pass or a rebuild and retest
- Assembly type and size
- More than one device, such as irrigation plus a pool fill
- Access around mature landscaping on sloped lots
- County permit steps for new or relocated work
Questions about whether a connection needs a device go to Cobb's Backflow Supervisor at 770-528-3343.
Backflow Testing questions in Vinings
How do I find out which utility serves my address?
How often does a backflow assembly need testing here?
Do I need a permit to install or move a backflow assembly?
How do test results get to the water utility?
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