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The LID design approach has received support from the U.S. Environmental Protection Agency (EPA) and is being promoted as a method to help meet goals of the Clean Water Act. [7] Various local, state, and federal agency programs have adopted LID requirements in land development codes and implemented them in public works projects.
The Small Watershed Program is a program created under the Watershed Protection and Flood Prevention Act (P.L. 83–566), and 1 of 3 programs that are combined into the Watershed and Flood Prevention Operations Program. The Small Watershed Program is available in watersheds that are smaller than 250,000 acres (1,000 km 2). Currently, there are ...
[8] Millions of people throughout the United States have a water source connected to the Mississippi River Watershed because the basin is connected to groundwater, well water, and other water supply tributaries throughout the country. The watershed also serves as largest drainage system in the country. [7]
Watershed management is the study of the relevant characteristics of a watershed aimed at the sustainable distribution of its resources and the process of creating and implementing plans, programs and projects to sustain and enhance watershed functions that affect the plant, animal, and human communities within the watershed boundary. [1]
Restrictions on projects include: the size of the watershed must be 250,000 acres (1011 km²) or less; no single structure may provide more than 12,500 acre-feet (15,400,000 m 3) of flood water retention; no single dam may provide more than 25,000 acre-feet (31,000,000 m 3) of total capacity; and projects with costs greater than $5 million or ...
Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin. It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution.
The primary focus of the Act is the conservation of water resources by protecting lands and riparian zones along the watersheds. The Act is intended to ensure proper land use in vital watershed areas, reduce soil erosion, maintain optimum levels of groundwater, and promote regular flows in waterways. [9]
The purpose of water quality targets is to protect or restore beneficial uses and protect human health. These targets may include state/federal numerical water quality standards or narrative standards, i.e. within the range of "natural" conditions. Establishing targets to restore beneficial uses is challenging and sometimes controversial.