Overview
Ten Mile Sub 2 Tract C is a stormwater outfall in Anchor Point, Alaska, serving the Kenai Peninsula Borough. It operates under US EPA NPDES MS4 permit regulations.
Ten Mile Sub 2 Tract C is a stormwater outfall located at 37119 Sterling Highway in Anchor Point, Alaska, within the Kenai Peninsula Borough. As a stormwater outfall, it discharges collected runoff from the surrounding area into local waterways, playing a key role in managing urban stormwater in this region. The facility operates under the regulatory framework of the US Clean Water Act, specifically the National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) program. Given its location in a small municipality, it likely falls under Phase II MS4 requirements, which mandate stormwater management plans to reduce pollutant discharges to the maximum extent practicable. This outfall contributes to flood control and water quality protection in the Anchor Point area. Its discharge may affect nearby water bodies, including the Cook Inlet watershed. Proper operation helps mitigate the impacts of urban runoff on local ecosystems and supports community resilience against storm events.
Environmental context
The Kenai Peninsula Borough features a subarctic climate with significant seasonal snowmelt and rainfall, which can generate substantial stormwater runoff. The outfall discharges into the Cook Inlet watershed, a productive estuary supporting salmon runs and marine wildlife. Urban runoff from roads and developed areas may carry pollutants such as sediment, oil, and heavy metals, making stormwater management critical for protecting aquatic habitats and water quality.
Frequently asked questions
Ten Mile Sub 2 Tract C is located at 37119 Sterling Highway in Anchor Point, Alaska, within the Kenai Peninsula Borough.
It is a stormwater outfall that discharges collected runoff from the surrounding area into local waterways, helping to manage stormwater and reduce flooding risks.
As a stormwater outfall in the United States, it operates under the Clean Water Act's NPDES MS4 program, likely under Phase II requirements for small municipalities.
Proper stormwater management helps control flooding, reduce erosion, and protect water quality in the Cook Inlet watershed, which supports salmon and other wildlife.
The outfall discharges into a sensitive estuarine ecosystem, making pollutant control important for maintaining habitat health and compliance with water quality standards.
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