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1897 County Services Pwy
Marietta, GA
30008
(770) 528-2500
(678) 581-5481 fax
solidwaste@cobbcounty.org
Cobb County Solid Waste
Compost Facility
Cobb is the first and only county to house a composting facility in the state of Georgia. Located on County Services Parkway, this bio-conversion facility using cutting-edge technology. This saves precious landfill space and turns residential waste into a revenue-generating soil-like compost product, called Bio-Blend. The fully operational plant can process up to 300 tons of waste daily for a 60 percent reduction in household materials going to a landfill. Such a reduction is accomplished without introduction of any chemical stimulants or outside sources of heat and ultimately provides a significant benefit to the environment.
Compost Facility Operating Hours
Monday - Friday.......................... 8:00 a.m. - 5:00 p.m.
Saturday & Sunday.................... CLOSED
Facts about BioBlend:
- Product registered as a soil amendment/conditioner by the U.S. Department of Agriculture.
- Approved by the Georgia State EPD for use as compost material appropriate for landfill closures.
- Certified as a Class A compost by the U.S. Environmental Protection Agency under 40CFR 503 regulations.
- Improves soil structure
- Inhibits rain runoff and soil erosion
- Reduces irrigation requirements
- Stimulates natural soil microbiology
- Builds soil humus and porosity
The initial phase is the mixing of municipal solid waste or residential waste with treated sewage sludge in the appropriate proportions to maintain the optimal carbon/nitrogen balance. For three days, this combination of sludge and waste is agitated in rotating drums called “digesters” under controlled temperatures and air flow.
In the secondary phase, the raw compost is “screened” by separating the non-biodegradable materials. For 28 days the compost is aerated and cured through a fully automated system under controlled temperatures and humidity conditions.
Finally, the compost is “screened” for the last time, separating the remaining non-biodegradable materials. The compost is “cured” again prior to shipment offsite.
Cobb County is pleased to make compost available free to its residents for private and individual use. It is available for pick-up at:
- Bio-Blend Pick Up Location:
Vegitative Waste Recovery Facility
2150 County Services Parkway - Citizen Pick-Up (No Charge - "Load Your Own")
Monday through Thursday............. 7 a.m. - 4:30 p.m.
Saturday..................................... 9 a.m. - 3:30 p.m. - Commercial Sales
Monday through Friday....................... 7 a.m. - 4:30 p.m.
Please Note: Commercial customers must make an appoint to be loaded by calling 770-528-2500.