DOWLING RD FACILITY Stormwater Outfall, Anchorage, Alaska

DOWLING RD FACILITY is a stormwater outfall located at 1300 W Dowling Road in Anchorage, Alaska, within the Anchorage Municipality. As a stormwater outfall, it discharges collected urban runoff into receiving waters, playing a key role in managing stormwater in this northern city. The facility operates under the US EPA NPDES MS4 permit framework, which regulates stormwater discharges from municipal separate storm sewer systems. Anchorage, as a Phase I large municipality, is subject to comprehensive stormwater management requirements under the Clean Water Act. The outfall likely serves a mixed urban catchment including residential, commercial, and industrial areas typical of Anchorage's urban core. Stormwater outfalls like this one are critical for flood control and water quality protection in Anchorage, where snowmelt and rainfall can carry pollutants into local waterways. The facility contributes to managing runoff volumes and reducing pollutant loads, supporting the health of downstream aquatic ecosystems in the Cook Inlet watershed.

Anchorage's stormwater system discharges into the Cook Inlet watershed, which supports salmon runs and other sensitive aquatic species. Urban runoff from roads, parking lots, and industrial areas can carry pollutants such as sediment, heavy metals, and hydrocarbons. The facility operates under NPDES MS4 permit requirements to implement best management practices for pollution prevention and to monitor discharge quality to protect receiving water bodies.