The Atlanta Memorial Park Technical Advisory Group (AMPTAG) and the City of Atlanta Department of Watershed Management (DWM) have come together with the common goal to eliminate wet weather overflow within and near Memorial Park, as well as Peachtree Creek Sewer Basin. Another goal of the collaborative is to protect water quality in Peachtree Creek.
Overview of Peachtree Creek Sewer Basin
The Peachtree Creek Basin is one of 10 sewer basins and is located in the northern portion of the City of Atlanta’s sewer system. Wastewater flows collected within the Peachtree Creek Basin are conveyed to the Peachtree Creek Trunk System and onward to RM Clayton water reclamation center (WRC) for treatment. Wastewater generated by Dekalb County is also conveyed through City trunk and relief sewers to the RM Clayton WRC and is covered by the terms of an inter-jurisdictional (I-J) agreement.
Short-Term Preventative Maintenance Measures
AMPTAG has identified repeat wet weather sewer overflows at several locations within the Memorial Park area. DWM investigated and identified several sewers with significant grit deposits and partial blockages the included grit, grease and debris. The existing Peachtree Creek trunk sewers along Memorial Park have relatively flat slopes, and flow 2/3 full at dry weather.
RECOMMENDED: Improved Preventative Maintenance
There would be scheduled periodic sewer inspections and cleaning along strategic sections of the trunk and relief sewers to maintain capacity and reduce wet weather overflows. DWM would install cameras for remote visual monitoring.
ELIMINATED: Raising Additional Manholes
This would cause new upstream overflows along Peachtree Creek, not the best course of action.
The Path Forward
The City Department of Watershed Management is committed to achieving the goal to eliminate wet weather-related sewer overflows within Memorial Park and the Peachtree Creek Basin. The City has developed a comprehensive list of completed, planned, and potential projects, as well as their expected beneficial impacts to continue efforts towards achieving this goal.