- County Government
- Departments & Offices
- Waste & Recycling
- Organics Composting Facility
Prince George's Organics Composting Facility
Address: 6550 Maude Savoy Brown Road. Upper Marlboro, MD 20772.
Hours of Operation: Monday through Friday - 7:00 a.m. to 3:00 p.m.
In order to service the County’s residential collection routes - On MONDAYS, no cash and no credit card transactions/customers will be accepted. Cash and credit card paying customers may access the facility Tuesday through Friday.
Over 50,000 tons of material is processed annually at the Prince George's County Organics Composting Facility. Yard trim is ground up and moved into long narrow piles known as windrows. In the fall, windrows are comprised primarily of leaves. In the spring,
Windrow CompostingWindrows are turned using a Scarab windrow turner to accelerate the composting process. Frequency of turning depends on environmental conditions. In general, windrows are turned more frequently during the spring and summer (approximately 2 turns per week). Depending on the weather, the rows of yard trim may require manual watering. Normally, our area receives enough rainfall and temperatures are moderate enough to avoid manual watering. However, in drought conditions or extremely hot weather, watering becomes necessary. The windrow composting process takes approximately 9 months to complete.
The material is then moved to a curing pile where it will continue to decompose for approximately 3 months. Once this process is complete, the compost is spread in a thin layer on the pad to dry
Leafgro®The final product is a dark humus-like material, which is marketed as Leafgro® by MES. It is produced in accordance with the Maryland Department of Agriculture regulations and is a great soil amendment. A network of retailers sells the Leafgro®. Revenue from the sale of this material is returned to the county to offset the cost of the composting operation.
Food Scrap Composting
Prince George’s County piloted food scrap composting during 2013 utilizing the Gore Cover technology which is an in-vessel aerated pile system with oxygen and temperature monitoring devices. This technology is designed to create ideal composting conditions within the pile while efficiently trapping odors and other emissions such as dust and volatile organic compounds (VOCs). This system allows for the processing of a greater volume of yard trim and the inclusion of food scraps on a smaller footprint of
The final product from this process is known as Leafgro GOLD®, a
During 2014, the County increased the Gore Cover system from a three heap pilot