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Helping communities and businesses access compliance, technical and financial assistance for their environmental needs.

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Storm Water Pollution Prevention Plan (SWPPP) or SWP3 — A SWP3 is a site-specific, written document that identifies potential sources of storm water pollution at the construction site. It describes practices to reduce pollutants in storm water discharges from the construction site. Reduction of pollutants is often achieved by controlling the volume of storm water runoff (for example, taking steps to allow storm water to infiltrate into the soil). It also identifies procedures the operator will implement to comply with the terms and conditions of a construction general permit.

Total Suspended Solids (TSS) — TSS is the dry-weight of undissolved suspended particles in a sample of water that can be trapped by a filter and analyzed using a filtration apparatus. It is a water quality parameter used to assess the quality of a specimen of any type of water or water body—ocean water for example—or wastewater after treatment in a wastewater treatment plant.