Overview
APMA 9910 Cleary Blet Exploration Project is a stormwater outfall in Central, Alaska, United States. It manages runoff from mining exploration activities in the Yukon-Koyukuk region.
APMA 9910 Cleary Blet Exploration Project is a stormwater outfall located in Central, Alaska, within the Yukon-Koyukuk Census Area. This facility manages stormwater runoff associated with mining exploration activities in a remote, cold-climate region of the United States. As a stormwater outfall, it discharges collected runoff into local waterways, operating under the regulatory framework of the Clean Water Act and Alaska's water quality standards. The facility operates in a region characterized by permafrost and seasonal snowmelt, which influences stormwater management practices. While specific technical specifications are not detailed, typical stormwater outfalls in Alaska's mining sector include sediment basins, diversion channels, and erosion control measures to manage runoff from disturbed areas. The facility is subject to the U.S. EPA's National Pollutant Discharge Elimination System (NPDES) permitting program, which may require a Multi-Sector General Permit for industrial stormwater discharges. Environmental significance lies in its location within the Yukon River watershed, a major Arctic river system. Stormwater discharges from mining exploration can impact water quality through sediment and potential contaminants. Proper management is critical to protect aquatic habitats and subsistence resources relied upon by local communities. The facility's operational status indicates ongoing monitoring and compliance with regulatory requirements.
Environmental context
The facility is situated in the Yukon-Koyukuk region of Alaska, a remote area underlain by permafrost and characterized by extreme seasonal hydrology. Stormwater runoff from mining exploration can carry sediment and trace metals into sensitive aquatic ecosystems. The Yukon River watershed supports salmon and other fish species vital to local subsistence and commercial fishing. Regulatory oversight under the Clean Water Act requires stormwater discharges to meet water quality standards to prevent degradation of these resources.
Frequently asked questions
The APMA 9910 Cleary Blet Exploration Project is located in Central, Alaska, United States, within the Yukon-Koyukuk Census Area.
It is a stormwater outfall that manages and discharges runoff from mining exploration activities, ensuring compliance with environmental regulations.
Stormwater outfalls in Alaska are regulated under the Clean Water Act, typically through NPDES permits such as the Multi-Sector General Permit for industrial activities.
In permafrost regions, stormwater management must account for frozen ground, seasonal thaw, and limited infiltration. Practices include sediment basins and erosion control to handle snowmelt and rainfall runoff.
The outfall discharges into the Yukon River watershed, which supports salmon and subsistence resources. Proper management prevents sediment and contaminant impacts on aquatic ecosystems.
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