Overview
WASILLA AK #2051 is a stormwater outfall located in Palmer, Alaska, United States. It operates under the US EPA NPDES MS4 permit framework.
WASILLA AK #2051 is a stormwater outfall facility situated at 1600 South Tanya Court in Palmer, Alaska, within the Matanuska-Susitna Borough. As a stormwater outfall, it manages runoff from urban and potentially industrial catchments, discharging into local water bodies. The facility is operational and falls under the regulatory oversight of the US Clean Water Act, specifically the National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) permits. Stormwater outfalls like WASILLA AK #2051 are critical for controlling the quality and quantity of runoff in urbanized areas. In Alaska, stormwater management is influenced by seasonal snowmelt and permafrost conditions, which can affect runoff patterns and pollutant loads. The facility's NAICS code 485410 indicates a focus on school and employee bus transportation, suggesting the catchment may include transportation-related impervious surfaces. The environmental significance of this outfall lies in its role in preventing flooding and reducing pollutant loads to receiving waters. Proper operation helps protect aquatic habitats in the Matanuska-Susitna region, which includes salmon-bearing streams. Compliance with MS4 permit requirements ensures that stormwater discharges are managed to minimize impacts on water quality.
Environmental context
The Matanuska-Susitna Borough in Alaska features a subarctic climate with significant seasonal variations, including snowmelt in spring that can increase runoff volumes. Stormwater outfalls in this region must manage pollutants from urban surfaces such as roads and parking lots, which can include sediment, heavy metals, and hydrocarbons. The local watersheds support important salmon fisheries, making stormwater quality management crucial for ecological health. Regulatory compliance under the NPDES MS4 program helps ensure that discharges do not impair these sensitive water bodies.
Frequently asked questions
WASILLA AK #2051 is located at 1600 South Tanya Court in Palmer, Alaska, within the Matanuska-Susitna Borough, United States.
WASILLA AK #2051 is a stormwater outfall that discharges runoff from urban and transportation-related surfaces into local water bodies, helping to manage stormwater quantity and quality.
This outfall operates under the US Clean Water Act's National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) permits, which require stormwater management plans to reduce pollutant discharges.
Stormwater management in Alaska must account for seasonal snowmelt, permafrost, and short construction seasons. Runoff from snowmelt can carry high sediment loads, and frozen ground reduces infiltration, increasing runoff volumes.
Common pollutants include sediment, heavy metals, oil and grease, nutrients, and pathogens from roads, parking lots, and other impervious surfaces. These can harm aquatic life if not properly managed.
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