The Cobb County Water Department

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660 S Cobb Dr SE

Marietta, GA 30060

+1 (770) 423-1000

http://water.cobbcountyga.gov

The Cobb County Water System, in partnership with the Cobb County-Marietta Water Authority, delivers clean and safe water sourced from the Chattahoochee River and Lake Allatoona to residents throughout the county. Water treatment facilities at the James E. Quarles Treatment Plant in Marietta and the Hugh Wyckoff Treatment Plant in Acworth ensure high-quality water supply.

In addition to water distribution, the Cobb County Water System oversees a comprehensive wastewater collection and treatment program, as well as a stormwater management initiative, contributing to the overall environmental health and sustainability of the region.

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Cobb County Government Operating Divisions

Reviews

1.528 reviews

Paula S.

9/27/2023

We had a major water leak and did not realize it until our water bill became very high. Luckily the plumbing company who did the repairs told us to contact the Cobb County Water Department. I...

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Betty B.

10/3/2025

unable to contact anyone after holding time and again. someone finally answered & then hung up saying they couldn't hear me. The websit doesnt even allow one to request disconnect service.

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Steve S.

9/10/2025

Cobb County Water Department did not respond to my phone call. I placed a phone call to their phone number at 1-770-419-6200 & I waited on hold for over 25 minutes before I decided to hang up on them.

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April P.

1/12/2025

Cobb County Water Department employs the most incompetent, lackadaisical, and careless individuals who refuse to use their God given brain cells to do their jobs correctly. If you are looking for...

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Mark S.

6/5/2025

Review cobb water department 95426 Beyond belief that a company could be so incompetent 16 months I tried to get on auto pay and every month they bill me for a late fee with some...

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Cobb County Marietta Water Authority

The Cobb County Marietta Water Authority (CCMWA) is a significant wholesale water provider in Georgia, serving over 900,000 residents and boasting a total system capacity of 172 million gallons per day. Unique in its operations, the Authority draws water from two separate river basins and operates two treatment plants, the Quarles and Wyckoff, each with a capacity of 86 million gallons per day. Dedicated to delivering safe and reliable drinking water, CCMWA prioritizes public health, safety, and the economic vitality of the region. The Authority also emphasizes the preservation and protection of water resources while engaging in community outreach and education initiatives. Generated from the website