RAVN-ANIAK AIRPORT Stormwater Outfall, Aniak, Alaska | United States

RAVN-ANIAK AIRPORT is a stormwater outfall located at the Aniak Airport in Aniak, Alaska, United States. This facility handles stormwater runoff from the airport infrastructure, which includes impervious surfaces such as runways, taxiways, and parking areas. As a stormwater outfall, it discharges collected runoff into local waterways, playing a key role in managing water quality and flood control in the region. The facility operates under the regulatory framework of the United States Clean Water Act, specifically the National Pollutant Discharge Elimination System (NPDES) permitting program. Stormwater discharges from airports are typically regulated under industrial stormwater permits, which require best management practices to reduce pollutant loads. The outfall is located in the remote community of Aniak in western Alaska, where the climate is subarctic with significant seasonal variations in precipitation and snowmelt. Environmental significance of this outfall includes its potential impact on nearby water bodies, which may support fish and wildlife habitats. Proper stormwater management at airports is critical to prevent contamination from deicing chemicals, fuel spills, and other pollutants. The facility contributes to the overall stormwater infrastructure in the Bethel Census Area, helping to mitigate flooding and protect water quality in the Kuskokwim River watershed.

The outfall is situated in the Kuskokwim River watershed, a region characterized by boreal forest, wetlands, and permafrost. Stormwater runoff from the airport may carry pollutants such as sediment, hydrocarbons, and deicing agents, which can impact aquatic ecosystems. The area supports salmon runs and other fish species, making water quality protection important. Seasonal snowmelt and freeze-thaw cycles influence runoff patterns and pollutant transport.