Overview
SKOOKUM QUARRY LLC is a stormwater outfall in Chugiak, Alaska, United States. It operates under the US EPA NPDES MS4 permit framework for stormwater discharges.
SKOOKUM QUARRY LLC is a stormwater outfall located at 17507 Old Glenn Highway in Chugiak, Alaska, within the Anchorage Municipality. As a stormwater outfall, it manages runoff from the quarry site, discharging into local waterways. The facility is operational and falls under the regulatory oversight of the US EPA's National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) program. In Alaska, stormwater management is critical due to the region's sensitive aquatic ecosystems and seasonal hydrology. The facility operates under a stormwater permit that requires compliance with water quality standards and best management practices to control pollutants. Typical controls include sediment basins, erosion control measures, and regular monitoring to ensure discharges do not impair receiving waters. The environmental significance of this outfall lies in its potential impact on nearby water bodies, such as the Knik Arm or tributaries of the Matanuska-Susitna Basin. Proper management of stormwater from quarry operations helps prevent sedimentation and contamination, protecting aquatic habitats and downstream water quality. The facility's location in a municipality with an MS4 permit underscores the importance of coordinated stormwater management in urbanizing areas.
Environmental context
Chugiak, Alaska, is situated in a region with cold climates and seasonal snowmelt, which influences stormwater runoff patterns. The area's waterways, including tributaries of the Knik Arm, support salmon and other aquatic species sensitive to sedimentation and pollution. Stormwater discharges from quarry operations can carry sediment, heavy metals, and other pollutants, posing risks to these ecosystems. Regulatory oversight under the Clean Water Act and local MS4 permits aims to mitigate these impacts through erosion control and treatment measures.
Frequently asked questions
SKOOKUM QUARRY LLC is located at 17507 Old Glenn Highway, Chugiak, Alaska 99567, within the Anchorage Municipality, United States.
SKOOKUM QUARRY LLC is a stormwater outfall that manages and discharges stormwater runoff from a quarry site, operating under a US EPA NPDES MS4 permit.
Stormwater outfalls in Alaska are regulated under the Clean Water Act through the NPDES MS4 program, which requires permits for discharges from municipal separate storm sewer systems and industrial sites like quarries.
The facility likely uses best management practices such as sediment basins, erosion control measures, and regular monitoring to comply with its NPDES permit and protect local water quality.
Quarry stormwater discharges can contain sediment, heavy metals, and other pollutants that may harm aquatic ecosystems, particularly salmon-bearing streams in Alaska. Proper management is essential to mitigate these impacts.
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