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The latest update notes and new features can be found on the EPA website in the download section. [10] Recently added in November 2015 were the EPA SWMM 5.1 Hydrology Manual (Volume I) [11] and in 2016 the EPA SWMM 5.1 Hydraulic Manual (Volume II) [12] and EPA SWMM 5.1 Water Quality (including LID Modules) Volume (III) [13] + Errata. [14]
[2] [3] The SWPPP is considered a mitigation guideline for stormwater runoff from construction sites that have the potential to damage waterways while complying with the Clean Water Act’s provisions and EPA regulations. [4]
Environmental mitigation refers to the process by which measures to avoid, minimise, or compensate for adverse impacts on the environment are applied. [1] In the context of planning processes like Environmental Impact Assessments, this process is often guided by applying conceptual frameworks like the "mitigation hierarchy" or "mitigation sequence". [2]
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"No Net loss" is the United States government's overall policy goal regarding wetlands preservation. The goal of the policy is to balance wetland loss due to economic development with wetlands reclamation, mitigation, and restorations efforts, so that the total acreage of wetlands in the country does not decrease, but remains constant or increases.
EPANET (Environmental Protection Agency Network Evaluation Tool) is a public domain, water distribution system modeling software package developed by the United States Environmental Protection Agency's (EPA) Water Supply and Water Resources Division.
Each piece of the pie chart depicts the role that the individual processes play in the overall design and production of a product. In recent years the environment has begun to play an important role in this diagram. If any piece is missing, production may not be able to occur. [3]
As stormwater is channeled into storm drains and surface waters, the natural sediment load discharged to receiving waters decreases, but the water flow and velocity increases. In fact, the impervious cover in a typical city creates five times the runoff of a typical woodland of the same size.