TMDL: Rio Grande River basin

CORGAL03a: Alamosa River, Alum Creek to Wightman Fork, Aluminum, Copper, Lead and Zinc TMDLs with approval letter.

CORGAL03b: Alamosa River, Wightman Fork to Fern Creek, pH, Aluminum, Copper and Zinc TMDLs with approval letter.

CORGAL03c: Alamosa River, Fern Creek to Ranger Creek, pH, Aluminum, Copper and Zinc TMDLs with approval letter.

CORGAL03d: Alamosa River, Ranger Creek to inlet of Terrace Reservoir, pH, Copper and Zinc TMDLs with approval letter.

CORGAL05: Wightman Fork above Summitville, pH TMDL with approval letter.

CORGAL08: Terrace Reservoir, Copper TMDL with approval letter.

CORGAL08: Terrace Reservoir, Total Rec. Iron, TMDL Final with approval letter.

CORGAL09: Alamosa River, outlet of Terrace Reservoir to Highway 15, Copper TMDL with approval letter.

CORGRG04: Rio Grande River, Willow Creek to Alamosa County line, Cadmium and Zinc TMDLs with approval letter.

CORGRG30: Sanchez Reservoir, Mercury TMDL with approval letter.

CORGCB09a: Kerber Creek, source to Brewery Creek, pH, Cadmium, Lead and Silver TMDLs with approval letter.

CORGCB09b: Kerber Creek, Brewery Creek to San Luis Creek, Cadmium, Copper and Zinc TMDLs with approval letter.