Laws & Regulations
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Permit Documents for Deepwater Wind New England, LLC's Meteorological Buoy
Permit documents for Deepwater Wind New England, LLC's Meteorological Buoy
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Nitrogen Dioxide Designations - Indiana State Recommendation and EPA Response
2010 Nitrogen dioxide (NO2) standards. Indiana state recommendation and EPA response.
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Nitrogen Dioxide Designations - Pechanga Band of Luiseno Indians Tribal Recommendation and EPA Response
2010 Nitrogen dioxide (NO2) standards. Pechanga Band of Luiseno Indians Tribal recommendation and EPA response.
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Nitrogen Dioxide Designations - Minnesota State Recommendations and EPA Response
2010 Nitrogen dioxide (NO2) standards. Minnesota state recommendation and EPA response.
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Big River Mine Tailings National Priorities List (NPL) Superfund Site, St. Francois County, Missouri - Fact Sheet, August 2021
Remedial Action for Residential Soils Update
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Oronogo-Duenweg Mining Belt National Priorities List (NPL) Superfund Site, Jasper and Newton Counties, Missouri – Fact Sheet, August 2022
Remedial and Removal Actions Site Update
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NPDES Pretreatment Discharge Requirements for GSK-Hamilton Pharmaceuticals in Montana
Under NPDES control mechanism MT-PF00103, GSK-Hamilton is authorized to discharge wastewater to the City of Hamilton, Montana, publicly operated treatment works (POTW).
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NPDES Pretreatment Discharge Requirements for JM Shafer Generating Station in Colorado
Under NPDES permit number CO-PF00107, the JM Shafer Generating Station is authorized to discharge wastewaters to the City of Fort Lupton, Colorado, publicly operated treatment works (POTW).
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NPDES Permit for Prairie Knights Casino Wastewater Treatment Facility in North Dakota
Under NPDES permit number ND-0031135, the Prairie Knights Casino is authorized to discharge from its wastewater treatment facility in Sioux County, North Dakota to an unnamed tributary of Fool Bear Creek, tributary of the Missouri River.
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NPDES Permit for City of Eagle Butte Wastewater Treatment Facility in South Dakota
Under NPDES permit SD-0020192, the City of Eagle Butte, South Dakota, is authorized to discharge from its wastewater treatment facility within the Cheyenne River Sioux Reservation in Dewey County, South Dakota, to Green Grass Creek.
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NPDES Permit for TC Energy - Northern Border Pipeline Company in Montana
Under NPDES permit MT-0030791, TC Energy - Northern Border Pipeline Company is authorized to discharge from locations located within the exterior boundaries of the Fort Peck Indian Reservation, Montana.
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NPDES Permit for City of Hardin Wastewater Treatment Plant in Montana
NPDES permit and statement of basis authorizes discharge from the City of Hardin, Montana wastewater treatment plant to the Bighorn River.
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Wellman
MRV Plan and Decision document for Wellman
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NPDES Permit for Colorado National Monument in Colorado
Under National Pollutant Discharge Elimination System permit number CO0034975, the National Park Service is directed to have no discharge from the wastewater treatment lagoons at the Colorado National Monument in Mesa County, Colorado.
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NPDES Permit for Crossfire-Bonds Gravel Pit in Colorado
Under National Pollutant Discharge Elimination System permit number CO-0035024, the Crossfire-Bonds Gravel Pit is authorized to discharge from its wastewater treatement facility in Plata County, Colorado, to Deer Canyon, a tributary of the Animas River.
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NPDES Permit for Leadville National Fish Hatchery in Colorado
NPDES permit and statement of basis authorize discharge of treated water from settling ponds of the Leadville National Fish Hatchery to an unnamed tributary to Hunt Gulch, which flows into Lake Fork, a tributary to the Arkansas River.
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NPDES Permit for American Gilsonite Company – Bonanza Mine in Utah
Under NPDES permit number UT-0000167, the American Gilsonite Company is authorized to discharge from its mining operation at its Bonanza Mine in Uintah County, Utah, to Coyote Wash, and various unnamed tributaries of Coyote Wash and the White River.
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NPDES Permit for American Gilsonite Company – Cottonwood Mine in Utah
Under NPDES permit number UT-0025259, the American Gilsonite Company is authorized to discharge from its mining operation at its Cottonwood Mine in Uintah County, Utah, to multiple unnamed ephemeral drainage tributaries to the White River.
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NPDES Permit for City of Wolf Point Wastewater Treatment Facility in Montana
NPDES permit and statement of basis authorizes discharge from the City of Wolf Point, Montana, wastewater treatment facility to a ditch leading to the Missouri River.
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HFC Allocation NPRM Frequently Asked Questions
HFC phasedown FAQ