DumpRadar — Highest-risk landfills in Colorado https://dumpradar.org/states/co/ The highest-risk landfills and waste sites in Colorado, ranked by DumpRadar's environmental risk score from public EPA emissions and enforcement, FEMA flood, and Census community data. 35 sites in this feed. en-us Sun, 19 Jul 2026 10:40:02 GMT #1 Mesa County Landfill — Low Risk (grade B) https://dumpradar.org/facility/mesa-county-landfill-co/ https://dumpradar.org/facility/mesa-county-landfill-co/#rank Mesa County Landfill in Grand Junction, CO ranks #1 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #2 Tower Landfill Inc. — Low Risk (grade B) https://dumpradar.org/facility/tower-landfill-inc-co/ https://dumpradar.org/facility/tower-landfill-inc-co/#rank Tower Landfill Inc. in Commerce City, CO ranks #2 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #3 Denver Arapahoe Disposal Site (DADS) — Low Risk (grade B) https://dumpradar.org/facility/denver-arapahoe-disposal-site-dads-co/ https://dumpradar.org/facility/denver-arapahoe-disposal-site-dads-co/#rank Denver Arapahoe Disposal Site (DADS) in Aurora, CO ranks #3 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #4 Montrose County Landfill — Low Risk (grade B) https://dumpradar.org/facility/montrose-county-landfill-co/ https://dumpradar.org/facility/montrose-county-landfill-co/#rank Montrose County Landfill in Montrose, CO ranks #4 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #5 Colorado Springs Landfill — Low Risk (grade B) https://dumpradar.org/facility/colorado-springs-landfill-co/ https://dumpradar.org/facility/colorado-springs-landfill-co/#rank Colorado Springs Landfill in Colorado Springs, CO ranks #5 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #6 Pitkin County Solid Waste Center — Low Risk (grade B) https://dumpradar.org/facility/pitkin-county-solid-waste-center-co/ https://dumpradar.org/facility/pitkin-county-solid-waste-center-co/#rank Pitkin County Solid Waste Center in Snowmass Village, CO ranks #6 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #7 Summit County Landfill — Low Risk (grade B) https://dumpradar.org/facility/summit-county-landfill-co/ https://dumpradar.org/facility/summit-county-landfill-co/#rank Summit County Landfill in Dillon, CO ranks #7 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #8 Eagle County Landfill — Low Risk (grade B) https://dumpradar.org/facility/eagle-county-landfill-co/ https://dumpradar.org/facility/eagle-county-landfill-co/#rank Eagle County Landfill in Wolcott, CO ranks #8 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #9 Foothills Landfill — Low Risk (grade B) https://dumpradar.org/facility/foothills-landfill-co/ https://dumpradar.org/facility/foothills-landfill-co/#rank Foothills Landfill in Golden, CO ranks #9 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #10 Front Range Landfill — Low Risk (grade B) https://dumpradar.org/facility/front-range-landfill-co/ https://dumpradar.org/facility/front-range-landfill-co/#rank Front Range Landfill in Erie, CO ranks #10 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #11 Milner Landfill — Low Risk (grade B) https://dumpradar.org/facility/milner-landfill-co/ https://dumpradar.org/facility/milner-landfill-co/#rank Milner Landfill in Milner, CO ranks #11 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #12 North Weld SLF — Low Risk (grade B) https://dumpradar.org/facility/north-weld-slf-co/ https://dumpradar.org/facility/north-weld-slf-co/#rank North Weld SLF in Ault, CO ranks #12 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #13 Denver Regional Landfill (North) — Low Risk (grade B) https://dumpradar.org/facility/denver-regional-landfill-north-co/ https://dumpradar.org/facility/denver-regional-landfill-north-co/#rank Denver Regional Landfill (North) in Erie, CO ranks #13 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #14 Denver Regional Landfill (South) — Low Risk (grade B) https://dumpradar.org/facility/denver-regional-landfill-south-co/ https://dumpradar.org/facility/denver-regional-landfill-south-co/#rank Denver Regional Landfill (South) in Erie, CO ranks #14 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #15 Morgan County SWDLF — Low Risk (grade B) https://dumpradar.org/facility/morgan-county-swdlf-co/ https://dumpradar.org/facility/morgan-county-swdlf-co/#rank Morgan County SWDLF in Fort Morgan, CO ranks #15 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #16 Archuleta County Landfill — Low Risk (grade B) https://dumpradar.org/facility/archuleta-county-landfill-co/ https://dumpradar.org/facility/archuleta-county-landfill-co/#rank Archuleta County Landfill in Pagosa Springs, CO ranks #16 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #17 Bondad Landfill — Low Risk (grade B) https://dumpradar.org/facility/bondad-landfill-co/ https://dumpradar.org/facility/bondad-landfill-co/#rank Bondad Landfill in Durango, CO ranks #17 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #18 Larimer County Landfill — Low Risk (grade B) https://dumpradar.org/facility/larimer-county-landfill-co/ https://dumpradar.org/facility/larimer-county-landfill-co/#rank Larimer County Landfill in Fort Collins, CO ranks #18 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #19 South Canyon Landfill — Low Risk (grade B) https://dumpradar.org/facility/south-canyon-landfill-co/ https://dumpradar.org/facility/south-canyon-landfill-co/#rank South Canyon Landfill in Glenwood Springs, CO ranks #19 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #20 Southside Solid Waste Disposal Site — Low Risk (grade B) https://dumpradar.org/facility/southside-solid-waste-disposal-site-co/ https://dumpradar.org/facility/southside-solid-waste-disposal-site-co/#rank Southside Solid Waste Disposal Site in Pueblo, CO ranks #20 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #21 Templeton Gap Landfill, Inc. — Low Risk (grade B) https://dumpradar.org/facility/templeton-gap-landfill-inc-co/ https://dumpradar.org/facility/templeton-gap-landfill-inc-co/#rank Templeton Gap Landfill, Inc. in Colorado Springs, CO ranks #21 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #22 Central Weld County SLF — Low Risk (grade B) https://dumpradar.org/facility/central-weld-county-slf-co/ https://dumpradar.org/facility/central-weld-county-slf-co/#rank Central Weld County SLF in Greeley, CO ranks #22 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #23 Broad Canyon Landfill — Low Risk (grade B) https://dumpradar.org/facility/broad-canyon-landfill-co/ https://dumpradar.org/facility/broad-canyon-landfill-co/#rank Broad Canyon Landfill in Naturita, CO ranks #23 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #24 Broadacres Landfill Inc. — Low Risk (grade B) https://dumpradar.org/facility/broadacres-landfill-inc-co/ https://dumpradar.org/facility/broadacres-landfill-inc-co/#rank Broadacres Landfill Inc. in Pueblo, CO ranks #24 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #25 Fountain Landfill — Low Risk (grade B) https://dumpradar.org/facility/fountain-landfill-co/ https://dumpradar.org/facility/fountain-landfill-co/#rank Fountain Landfill in Fountain, CO ranks #25 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #26 Midway Landfill — Low Risk (grade B) https://dumpradar.org/facility/midway-landfill-co/ https://dumpradar.org/facility/midway-landfill-co/#rank Midway Landfill in Fountain Valley, CO ranks #26 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #27 Phantom Landfill — Low Risk (grade B) https://dumpradar.org/facility/phantom-landfill-co/ https://dumpradar.org/facility/phantom-landfill-co/#rank Phantom Landfill in Penrose, CO ranks #27 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #28 County Line LF — Low Risk (grade B) https://dumpradar.org/facility/county-line-lf-co/ https://dumpradar.org/facility/county-line-lf-co/#rank County Line LF in Littleton, CO ranks #28 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #29 York & SH 224 — Low Risk (grade B) https://dumpradar.org/facility/york-sh-224-co/ https://dumpradar.org/facility/york-sh-224-co/#rank York & SH 224 in Denver, CO ranks #29 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #30 Buffalo Ridge Landfill — Low Risk (grade B) https://dumpradar.org/facility/buffalo-ridge-landfill-co/ https://dumpradar.org/facility/buffalo-ridge-landfill-co/#rank Buffalo Ridge Landfill in Keenesburg, CO ranks #30 by DumpRadar's environmental risk read: Low Risk, grade B. Its red zone reaches about 0.5 mi. Compiled from public EPA, FEMA, Census and NCES records. #31 East Regional Landfill (ERL) — Minimal Risk (grade A) https://dumpradar.org/facility/east-regional-landfill-erl-co/ https://dumpradar.org/facility/east-regional-landfill-erl-co/#rank East Regional Landfill (ERL) in Bennett, CO ranks #31 by DumpRadar's environmental risk read: Minimal Risk, grade A. Its red zone reaches about 0.3 mi. Compiled from public EPA, FEMA, Census and NCES records. #32 Boulder Landfill — Minimal Risk (grade A) https://dumpradar.org/facility/boulder-landfill-co/ https://dumpradar.org/facility/boulder-landfill-co/#rank Boulder Landfill in Boulder, CO ranks #32 by DumpRadar's environmental risk read: Minimal Risk, grade A. Its red zone reaches about 0.3 mi. Compiled from public EPA, FEMA, Census and NCES records. #33 Rooney Road LF — Minimal Risk (grade A) https://dumpradar.org/facility/rooney-road-lf-co/ https://dumpradar.org/facility/rooney-road-lf-co/#rank Rooney Road LF in Golden, CO ranks #33 by DumpRadar's environmental risk read: Minimal Risk, grade A. Its red zone reaches about 0.3 mi. Compiled from public EPA, FEMA, Census and NCES records. #34 Jeffco #1 — Minimal Risk (grade A) https://dumpradar.org/facility/jeffco-1-co/ https://dumpradar.org/facility/jeffco-1-co/#rank Jeffco #1 in Golden, CO ranks #34 by DumpRadar's environmental risk read: Minimal Risk, grade A. Its red zone reaches about 0.3 mi. Compiled from public EPA, FEMA, Census and NCES records. #35 West Garfield County Landfill — Minimal Risk (grade A) https://dumpradar.org/facility/west-garfield-county-landfill-co/ https://dumpradar.org/facility/west-garfield-county-landfill-co/#rank West Garfield County Landfill in Rifle, CO ranks #35 by DumpRadar's environmental risk read: Minimal Risk, grade A. Its red zone reaches about 0.3 mi. Compiled from public EPA, FEMA, Census and NCES records.