Under National Pollutant Discharge Elimination System permit number COR-042009, the U.S. Department of Energy is authorized to  discharge from municipal separate storm sewer system outfalls at the National Renewable Energy laboratory, South Table Mountain site existing as of the effective date of this Permit, to Lena Gulch and other associated waters of the United States within the exterior boundaries of the National Renewable Energy Laboratory in the City of Golden, Jefferson County, Colorado, latitude 39.740907 and longitude -105.168594, in accordance with discharge point(s), effluent limitations, monitoring requirements and other conditions set forth herein. Authorization for discharge is limited to those outfalls specifically listed in the Permit.

• COR-042009 NREL South Table Mountain NPDES Final Permit (PDF)(18 pp, 328 K, October 26, 2018)
• COR-042009 NREL South Table Mountain NPDES Statemnet of Basis for Final Permit (PDF)(19 pp, 588 K)