Water System Projects
Water Project
Project Name: Water Distribution System Infrastructure Resiliency Program
DWM will improve the reliability of the water distribution system in critical service areas by improving the resilience of infrastructure at key locations throughout the City. Nine projects are included in the program:
Downtown Water Storage Tank and Pump Station Project (1 project)
This project will add finished water storage to the water distribution system serving downtown Atlanta and the southern portion of our service area, including the Hartsfield‐Jackson Atlanta International Airport. Under current conditions, power outages, nearby water main breaks, and local firefighting activities can cause unstable water pressure for most customers in these areas of the system because there is currently no intermediate storage between the Hemphill plant and the Airport re‐pump station. In addition, a short‐term outage at the Hemphill Water Treatment Plant (WTP), which serves over 60% of the service area, or the adjacent Hemphill Pumping Station can cause immediate pressure losses (and potential issuance of boil‐water advisories) for most of the downtown business area, the Airport and other points.
Two water storage tanks were recommended in DWM’s 2013 Water System Master Plan. Having reviewed multiple alternative project locations, the site selection has been narrowed to two locations, including the property at 725 James P Brawley Drive, NW. This property has been evaluated for optimal storage capacity, location, tank design and piping configuration, water quality and required incidental improvements to the distribution system. Based on the most recent conceptual design information, the current plan is to utilize a single storage tank with an expected total storage capacity of at least 6 million gallons (MG) at this location. The second site under consideration is being vetted for feasibility to move forward with the most suitable location. This will be finalized within 30 days.
Large Water Transmission Main Projects (8 projects)
These projects include several water distribution system transmission mains serving portions of the City and surrounding communities. The mains range in diameter from 16” to 42” and cover a total length of approximately 33 miles. The transmission mains are in pressure zones served by the City’s two water treatment plants (WTPs) which draw raw water from the Chattahoochee River at Peachtree Creek: the Hemphill WTP (136.5 million gallons per day (MGD) capacity) and the Chattahoochee WTP (65 MGD capacity).
These projects include several water distribution system transmission mains serving portions of the City and surrounding communities. The mains range in diameter from 16” to 42” and cover a total length of approximately 33 miles. The transmission mains are in pressure zones served by the City’s two water treatment plants (WTPs) which draw raw water from the Chattahoochee River at Peachtree Creek: the Hemphill WTP (136.5 million gallons per day (MGD) capacity) and the Chattahoochee WTP (65 MGD capacity).
• Adamsville Water Main Project 42” diameter, 4.2 miles
• Fairburn Rd. Water Main Project 36” diameter, 4.4 miles
• Hartsfield Water Main Project 16”, 20”, 24” and 36” diameter, 6.7 miles
• Northside Dr. Water Main Project 36” diameter, 1.7 miles
• Sullivan Rd. Water Main Project 24” diameter, 1.8 miles
• Cascade Rd. Water Main Project 36” diameter, 4.9 miles
• Koweta Transmission Main 24” diameter, 5.6 miles
• and Re‐Pump Station Project 3.0 MG tank and 14 MGD pump station
• Hartsfield Bypass Project 24” and 30” diameter, 3.7 miles
Justification:
• Provide additional storage and redundancy in the system, maintain pressures, and provide sufficient water supply in the distribution network
• Improve overall customer service by reducing the potential for boil water advisories, improving the reliability of water supply for customers and providing additional fire protection
• Improves public health and safety by maintaining pressure and providing additional finished water storage
Project Name: Water
Project Type: Distribution System
Project Start: March 2017
Proposed Construction Start: 07/2020
Scheduled Completion: 06/2022
Project Budget: $188,200,000
Council District(s): Citywide
NPU(s): Citywide
Project Status: Planning / Design
Map: Link