| Lake Fork Below Lake San Cristobal Near Lake City, CO |
| Lake Fork San Miguel River Above Trout Lake Near Ophir, CO |
| Lakewood Gulch At Denver, CO |
| Last Chance Creek Near Norrie, CO |
| Leavenworth Creek At Mouth Near Georgetown, CO |
| Lee Gulch At Littleton, CO |
| Left Hand Creek At Hover Road Near Longmont, CO |
| Lena Gulch At Lakewood, CO |
| Lime Creek Near Thomasville, CO |
| Lincoln Creek Below Grizzly Reservoir Near Aspen, CO |
| Little Dry Creek Above Englewood, CO |
| Little Dry Creek At Westminster, CO |
| Little Dry Creek Near Arapahoe Rd At Centennial, CO |
| Little Fountain Creek Near Fountain, CO |
| Little Snake River Near Lily, CO |
| Little Snake River Near Slater, CO |
| Lockwood Canyon Creek Near Thatcher, CO |
| Los Pinos River At La Boca, CO |
| Los Pinos River Near Ignacio, CO |
| Lost Canyon Creek Near Dolores, CO |
| Loutzenhizer Arroyo Below North River Road Near Delta, CO |
| Lytle Ditch At Ft. Carson, CO |
| Mancos River At Anitas Flat Below Mancos, CO |
| Mancos River Near Towaoc, CO |
| Mccullough-Sp-Crys-Diversion Near Hoosier Pass, CO |
| Mcelmo Creek Above Trail Canyon Near Cortez, CO |
| Mcelmo Creek Near Colorado-Utah State Line, CO |
| Merriams L. Fountain Ditch At Ft. Carson, CO |
| Merriams Rock Creek Ditch At Ft. Carson, CO |
| Michigan River Near Cameron Pass, CO |
| Middle Creek Near Minturn, CO |
| Mineral Creek At Silverton, CO |
| Minnesota Creek Near Paonia, CO |
| Monte Cristo Diversion Near Hoosier Pass, CO |
| Monument Creek Above N.Gate Blvd At Usaf Academy, CO |
| Monument Creek Above Woodmen Rd At Colorado Springs, CO |
| Monument Creek At Bijou St. At Colo. Springs, CO |
| Monument Creek At Pikeview, CO |
| Monument Creek Below Monument Lake Near Monument, CO |
| Mud Creek At State Highway 32, Near Cortez, CO |
| Muddy Creek Above Antelope Creek Near. Kremmling, CO |
| Muddy Creek Below Wolford Mtn Reser. Near Kremmling, CO |
| North Clear Creek Above Mouth Near Black Hawk, CO |
| North Cunningham Creek Conduit Bypass Near Norrie, CO |
| North Fork Cache La Poudre River At Livermore, CO |
| North Fork Cache La Poudre River Below Halligan Res Near Va Dale, CO |
| North Fork Gunnison River Above Mouth Near Lazear, CO |
| North Fork Gunnison River Below Paonia, CO |
| North Fork Gunnison River Near Somerset, CO |
| North Platte River Near Northgate, CO |
