Cobb County has lifted the boil water advisory issued Tuesday for the southern part of the county following a water main break.

Residents who lived south of Macland and Windy Hill roads up to Interstate 75, including Mableton and the cities of Smyrna, Austell and Powder Springs, were advised to boil water used for cooking and consumption after a 36-inch line suffered a break around 4 a.m. on Maner Road in Smyrna.

The county said test results show no contamination to Cobb’s water supply stemming from the break and repair.

The county previously said a boil water advisory was issued to “alert customers when there is a potential for compromised water quality.” While Cobb County water officials believed the system never completely lost pressure, the order was issued as a precautionary measure.

The county said repairs to the water main are still underway, and some customers who were affected by the break could have some low pressure or discolored water. This is expected to last until the repairs are completed. If you have discolored water, the county advises you to run your cold water faucet for several minutes.

It took a few hours between the time Cobb County Water System crews stopped the water flow and when the Cobb County-Marietta Water Authority issued the advisory. The county buys water from the authority and distributes it to more than 180,000 homes and businesses in Acworth, Kennesaw, Austell, Smyrna and Powder Springs and unincorporated Cobb County, according to its website.

County spokesman Ross Cavitt said the gap was because it took some time for officials to analyze water pressure data in lines belonging to both the system and the water authority.

When the information came in that indicated low water pressure, the authority recommended the boil water advisory and the county proceeded accordingly, Cavitt said.

Tuesday's water saga didn't impact on SunTrust Park's operation during the Atlanta Braves' game against the  Pittsburgh Pirates.

Beth Marshall, Atlanta Braves spokeswoman, said the organization took necessary precautions for its fans safety after it received word about the advisory. It turned off all water fountains, ice machines and other fountains throughout the park and The Battery Atlanta. It also notified tenants of the advisory.

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