WASILLA CREEK COMMONS WATER Stormwater Outfall, Palmer, Alaska

WASILLA CREEK COMMONS WATER is a stormwater outfall located in Palmer, Alaska, United States. The facility manages stormwater runoff from the surrounding urban catchment, discharging into Wasilla Creek. As a stormwater outfall, it plays a key role in local drainage and flood control. The facility operates under the US EPA National Pollutant Discharge Elimination System (NPDES) permitting framework. Stormwater outfalls in Alaska are typically regulated under Phase II Small MS4 permits for municipal separate storm sewer systems. The outfall likely serves a commercial or mixed-use area, given its location on East Wasilla Creek Boulevard. Wasilla Creek is a tributary of the Knik Arm of Cook Inlet, an important water body for salmon habitat. Proper stormwater management helps reduce pollutant loads from urban runoff, protecting aquatic ecosystems and recreational uses downstream.

The outfall discharges into Wasilla Creek, which flows into the Knik Arm of Cook Inlet. This region supports critical salmon spawning and rearing habitats. Urban stormwater runoff can carry pollutants such as sediment, nutrients, and heavy metals, which may impact water quality and aquatic life. Effective stormwater management is essential to mitigate these impacts and maintain the ecological health of the watershed.