Your compost pile should have an equal amount of browns to greens. You should also alternate layers of organic materials of different-sized particles. The brown materials provide carbon for your compost, the green materials provide nitrogen, and the water provides moisture to help break down the organic matter.
Green Stormwater Infrastructure. Green stormwater infrastructure includes a range of soil-water-plant systems that intercept stormwater, infiltrate a portion of it into the ground, evaporate a portion of it into the air, and in some cases release a portion of it slowly back into the sewer system. Vision. Tools. Programs. Projects.
Sewage Sludge/Biosolids Program. âSewage Sludgeâ refers to the solids separated during the treatment of municipal wastewater. The definition includes domestic septage. âBiosolidsâ refers to treated sewage sludge that meets the EPA pollutant and pathogen requirements for land application and surface disposal. See EPAâs biosolids program at the national level for more general information and documents.