Overview
CR 91 INCIDENT is a stormwater outfall in Helena, Alabama, United States. It manages urban runoff in Shelby County as part of the local stormwater infrastructure.
CR 91 INCIDENT is a stormwater outfall located at CR 91 Junction in Helena, Shelby County, Alabama, United States. This facility is part of the stormwater management system for the area, handling runoff from urban and potentially industrial catchments. As a stormwater outfall, it discharges collected stormwater into receiving waters, playing a key role in flood control and water quality management. In the United States, stormwater outfalls like CR 91 INCIDENT operate under the EPA's National Pollutant Discharge Elimination System (NPDES) program, specifically under Municipal Separate Storm Sewer System (MS4) permits. These permits require monitoring and management of stormwater discharges to protect water quality. The facility's location in Alabama subjects it to state and federal regulations aimed at reducing pollutant loads from urban runoff. The environmental significance of CR 91 INCIDENT lies in its contribution to managing stormwater in the Helena area, which helps mitigate flooding and erosion while protecting downstream water bodies. Proper operation of such outfalls is essential for maintaining the ecological health of local streams and rivers, particularly in regions with significant urban development.
Environmental context
Helena, Alabama, experiences a humid subtropical climate with frequent rainfall, making stormwater management critical for flood control and water quality. The outfall likely discharges into a local water body that may be impaired by urban runoff, necessitating compliance with EPA's Clean Water Act and Alabama's water quality standards. The surrounding Shelby County area includes a mix of residential and commercial development, contributing to typical urban stormwater pollutants such as sediment, nutrients, and heavy metals.
Frequently asked questions
CR 91 INCIDENT is located at CR 91 Junction in Helena, Shelby County, Alabama, United States, with the postcode 35080.
CR 91 INCIDENT is operational, functioning as a stormwater outfall that discharges collected runoff into receiving waters in the Helena area.
Stormwater outfalls in Alabama are regulated under the EPA's NPDES program, specifically through MS4 permits for municipal separate storm sewer systems, requiring compliance with the Clean Water Act.
CR 91 INCIDENT helps manage urban runoff in Helena, reducing flood risk and controlling pollutant loads to protect water quality in downstream water bodies.
Stormwater outfalls can impact local water quality by discharging pollutants from urban runoff. Proper management under NPDES permits aims to minimize these effects and protect aquatic ecosystems.
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