Quick answer
For water damage in Acworth, GA, shut off your main valve first, or turn off the well pump breaker if you are on a private well. For a main break, meter leak, or sewer backup, call the Cobb County Water System at 770-419-6201 at any hour. Then call a water damage restoration company; drying should start within 24 to 48 hours, before mold sets in.
Do this first
After-hours water lines.
- Shut off the water. Close your main valve. Acworth's water and sewer issues go to the Cobb County Water System. For a main break, a leak at the meter, or a sewer backup, call its emergency line at 770-419-6201 at any hour.
- Make it safe and document it. Cut power to wet rooms from a dry spot, photograph the damage, then report the claim.
- Start drying within 24 to 48 hours. Crawlspaces, basements, and slab homes with carpet hold moisture longer than they look.
FEMA's flood map puts about 12% of the land inside Acworth in the high-risk flood zone, mostly along Tanyard Creek, Butler Creek, and Proctor Creek. The map panels for this area took effect between 2006 and 2019. Check your own address on FEMA's Flood Map Service Center. Never drive or walk through moving water, and treat floodwater as contaminated.
What to know about water damage in Acworth
14.27 ft
The record crest of Butler Creek at Mack Dobbs Road near Kennesaw, on September 21, 2009. Minor flooding starts at 11 feet. The gauge is about 6 miles southeast of downtown Acworth.
Source: National Water Prediction Service, Butler Creek at Mack Dobbs Road near Kennesaw
Lake Acworth
When the Etowah River was dammed to form Lake Allatoona, Acworth residents feared the low land nearby would turn to swamp and asked for a second dam. Lake Acworth was the result, in the 1950s.
Source: Wikipedia
Railroad water stop
Acworth began as a watering station for Western and Atlantic locomotives in 1840. A railroad engineer named it in 1843 for his hometown of Acworth, New Hampshire.
Source: Wikipedia
276 damaged homes
After the September 2009 floods, 348 homeowners in ZIPs 30101 and 30102 registered for FEMA aid. Inspectors found damage at 276 homes, totaling about $520,339. Owners who did not apply are not counted.
Homes in 30101
The median home in ZIP 30101 was built in 2000; 11% were built before 1980 and 79% are owner-occupied.
54 flood insurance claims
Since 1990, the National Flood Insurance Program has recorded 54 flood claims on buildings in ZIPs 30101 and 30102. The most came in 2009, with 30, from late summer storms. Of those, 37 were on buildings outside FEMA's high-risk zone. Buildings without flood insurance are not counted.
Source: FEMA NFIP claims data (OpenFEMA)
Check your ZIP
How often does Cobb County get flash flood warnings?
The National Weather Service issued 51 flash flood warnings that included Cobb County from 2016 through November 11, 2026, peaking at 12 in 2026. Each one means flooding is happening or about to happen.
Source: our count from the National Weather Service warning archive, Iowa Environmental Mesonet.
| Year | Warnings |
|---|---|
| 2016 | 0 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 7 |
| 2025 | 4 |
| 2026 | 12 |
Cost and insurance in Acworth
How much does water damage restoration cost in Acworth?
Most jobs run $450 to $16,000 (Angi). Creek flooding needs a separate flood policy. Finished basements and slab homes with carpet take longer.
Other Cobb County numbers
Septic backup
The Cobb County Environmental Health office handles septic permits and failing systems: 770-435-7815. For a public health emergency after hours, the state line is 1-866-782-4584.
Sources: Cobb County Environmental Health, Georgia DPH
Emergency management
Cobb County EMA posts storm and flood updates and coordinates shelters and road closures: 770-499-4567. Call 911 for anyone in danger.
Source: Cobb County
Power outage
More than one utility serves Cobb County, so call the one on your power bill. It depends on your address.
Sources: each utility's outage page; county list from Georgia 811
Water removal and restoration in Acworth
The company that answers handles creek flooding on Tanyard, Butler, and Proctor creeks, basement seepage, and sewer backups, plus burst pipes, appliance leaks, drying, and septic backups.
Acworth questions
Who do I call about a water main or sewer backup?
The Cobb County Water System. Its emergency line, 770-419-6201, takes main breaks, meter leaks, and sewer backups at any hour. Customer service is 770-419-6200 on weekdays. A backup on your side of the cleanout is the owner's to fix.
Which creeks flood in Acworth?
Tanyard Creek, Butler Creek, and Proctor Creek carry most of the city's mapped flood zone. Noonday Creek, east of town, crested at 19.66 feet in September 2009.
Which ZIP codes does this page cover?
ZIP 30101 and 30102, including Acworth and nearby parts of Cobb, Cherokee, Bartow, and Paulding counties.
Related guides
Other Georgia towns- Burst pipe, not frozen
- Water mitigation vs. restoration
- Mold after water damage
- Mold remediation cost
- Does homeowners insurance cover water damage?
- How long water damage takes to dry
- Water in the crawl space
Local phone numbers checked November 2026: