Because impervious surfaces (parking lots, roads, buildings, compacted soil) do not allow rain to infiltrate into the ground, more runoff is generated than in the undeveloped condition. This additional runoff can erode watercourses (streams and rivers) as well as cause flooding after the stormwater collection system is overwhelmed by the additional flow. Because the water is flushed out of the watershed during the storm event, little infiltrates the soil, replenishes groundwater, or supplies stream baseflow in dry weather.[3]
rip diagram3 - 2 views
diagram riparian 2 - 1 views
riparian diagram - 1 views
Diagram riparian - 2 views
Riparian explanation - 3 views
Stormwater Management - 1 views
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department of public works Reducing Stormwater Pollution | City Stormwater Management Plan | City Stormwater Ordinance Stormwater Utility Fee | Stormwater Management for Site Development Stormwater runoff is a leading source of water pollution. Stormwater runoff can harm surface waters such as rivers, lakes, and streams which in turn cause or contribute to water quality standards being exceeded.
Watershed development and ramifications on biological integrity of fish communities - 0 views
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The Reedy River represents a case study in watershed development and its associated ramifications on the biological integrity of fish communities. The Reedy watershed harbors land use activities ranging from intensive urban/suburban development and associated population growth in the Greenville metropolitan area to extensive agricultural and relatively undisturbed forested areas. Such heterogeneity provides a spatial framework for characterizing the gradient of disturbance and the associated effects on fish assemblage integrity.
Targeted Watershed Grants - 1 views
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The topography of the watershed promotes a development pattern that is particularly detrimental to water quality. The oldest and most intensive development in the region has occurred along the ridge tops where there the land is the flattest. Consequently, the headwater streams are most likely to be burdened with uncontrolled stormwater impacts. Since the upper Reedy River is heavily urbanized, it suffers from flashy hydrology, bank instability, and heavy sediment loads. Upstate Forever is focusing on three priority issues to reverse to the degradation of the watershed: * creating incentives for adoption of low impact development (LID) * helping local governments address legacy stormwater issues * addressing the compromised state of the urban rivers