DumpRadar — Highest-risk landfills in California https://dumpradar.org/states/ca/ The highest-risk landfills and waste sites in California, ranked by DumpRadar's environmental risk score from public EPA emissions and enforcement, FEMA flood, and Census community data. 50 sites in this feed. en-us Sun, 19 Jul 2026 10:40:02 GMT #1 Potrero Hills SLF — Low Risk (grade B) https://dumpradar.org/facility/potrero-hills-slf-ca/ https://dumpradar.org/facility/potrero-hills-slf-ca/#rank Potrero Hills SLF in Suisun City, CA 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 Lancaster Landfill — Low Risk (grade B) https://dumpradar.org/facility/lancaster-landfill-ca/ https://dumpradar.org/facility/lancaster-landfill-ca/#rank Lancaster Landfill in Lancaster, CA 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 Otay LF — Low Risk (grade B) https://dumpradar.org/facility/otay-lf-ca/ https://dumpradar.org/facility/otay-lf-ca/#rank Otay LF in Chula Vista, CA 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 American Avenue Landfill — Low Risk (grade B) https://dumpradar.org/facility/american-avenue-landfill-ca/ https://dumpradar.org/facility/american-avenue-landfill-ca/#rank American Avenue Landfill in Kerman, CA 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 Forward Landfill — Low Risk (grade B) https://dumpradar.org/facility/forward-landfill-ca/ https://dumpradar.org/facility/forward-landfill-ca/#rank Forward Landfill in Manteca, CA 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 Newby Island SLF Phases I, II, & III — Low Risk (grade B) https://dumpradar.org/facility/newby-island-slf-phases-i-ii-iii-ca/ https://dumpradar.org/facility/newby-island-slf-phases-i-ii-iii-ca/#rank Newby Island SLF Phases I, II, & III in Milpitas, CA 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 Olinda Alpha SLF — Low Risk (grade B) https://dumpradar.org/facility/olinda-alpha-slf-ca/ https://dumpradar.org/facility/olinda-alpha-slf-ca/#rank Olinda Alpha SLF in Brea, CA 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 Recology Hay Road LF — Low Risk (grade B) https://dumpradar.org/facility/recology-hay-road-lf-ca/ https://dumpradar.org/facility/recology-hay-road-lf-ca/#rank Recology Hay Road LF in Vacaville, CA 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 Shafter-Wasco SLF — Low Risk (grade B) https://dumpradar.org/facility/shafter-wasco-slf-ca/ https://dumpradar.org/facility/shafter-wasco-slf-ca/#rank Shafter-Wasco SLF in Shafter, CA 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 Altamont Landfill & Resource Recovery Facility — Low Risk (grade B) https://dumpradar.org/facility/altamont-landfill-resource-recovery-facility-ca/ https://dumpradar.org/facility/altamont-landfill-resource-recovery-facility-ca/#rank Altamont Landfill & Resource Recovery Facility in Livermore, CA 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 Avenal Regional Landfill — Low Risk (grade B) https://dumpradar.org/facility/avenal-regional-landfill-ca/ https://dumpradar.org/facility/avenal-regional-landfill-ca/#rank Avenal Regional Landfill in Avenal, CA 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 Frank R. Bowerman SLF — Low Risk (grade B) https://dumpradar.org/facility/frank-r-bowerman-slf-ca/ https://dumpradar.org/facility/frank-r-bowerman-slf-ca/#rank Frank R. Bowerman SLF in Irvine, CA 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 Lamb Canyon Sanitary Landfill — Low Risk (grade B) https://dumpradar.org/facility/lamb-canyon-sanitary-landfill-ca/ https://dumpradar.org/facility/lamb-canyon-sanitary-landfill-ca/#rank Lamb Canyon Sanitary Landfill in Beaumont, CA 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 Chiquita Canyon SLF — Low Risk (grade B) https://dumpradar.org/facility/chiquita-canyon-slf-ca/ https://dumpradar.org/facility/chiquita-canyon-slf-ca/#rank Chiquita Canyon SLF in Castaic, CA 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 Ox Mountain SLF — Low Risk (grade B) https://dumpradar.org/facility/ox-mountain-slf-ca/ https://dumpradar.org/facility/ox-mountain-slf-ca/#rank Ox Mountain SLF in Half Moon Bay, CA 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 Simi Valley LF — Low Risk (grade B) https://dumpradar.org/facility/simi-valley-lf-ca/ https://dumpradar.org/facility/simi-valley-lf-ca/#rank Simi Valley LF in Simi Valley, CA 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 Sonoma County Central Disposal Site — Low Risk (grade B) https://dumpradar.org/facility/sonoma-county-central-disposal-site-ca/ https://dumpradar.org/facility/sonoma-county-central-disposal-site-ca/#rank Sonoma County Central Disposal Site in Petaluma, CA 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 Sunshine Canyon Landfill — Low Risk (grade B) https://dumpradar.org/facility/sunshine-canyon-landfill-ca/ https://dumpradar.org/facility/sunshine-canyon-landfill-ca/#rank Sunshine Canyon Landfill in Sylmar, CA 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 Anderson Landfill — Low Risk (grade B) https://dumpradar.org/facility/anderson-landfill-ca/ https://dumpradar.org/facility/anderson-landfill-ca/#rank Anderson Landfill in Anderson, CA 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 Arvin SLF — Low Risk (grade B) https://dumpradar.org/facility/arvin-slf-ca/ https://dumpradar.org/facility/arvin-slf-ca/#rank Arvin SLF in Arvin, CA 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 Boron SLF — Low Risk (grade B) https://dumpradar.org/facility/boron-slf-ca/ https://dumpradar.org/facility/boron-slf-ca/#rank Boron SLF in Boron, CA 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 Allied Imperial Landfill — Low Risk (grade B) https://dumpradar.org/facility/allied-imperial-landfill-ca/ https://dumpradar.org/facility/allied-imperial-landfill-ca/#rank Allied Imperial Landfill in Imperial, CA 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 California Street LF — Low Risk (grade B) https://dumpradar.org/facility/california-street-lf-ca/ https://dumpradar.org/facility/california-street-lf-ca/#rank California Street LF in Redlands, CA 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 Fairmead Solid Waste Disposal Site — Low Risk (grade B) https://dumpradar.org/facility/fairmead-solid-waste-disposal-site-ca/ https://dumpradar.org/facility/fairmead-solid-waste-disposal-site-ca/#rank Fairmead Solid Waste Disposal Site in Chowchilla, CA 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 Kiefer LF — Low Risk (grade B) https://dumpradar.org/facility/kiefer-lf-ca/ https://dumpradar.org/facility/kiefer-lf-ca/#rank Kiefer LF in Sloughhouse, CA 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 San Onofre LF — Low Risk (grade B) https://dumpradar.org/facility/san-onofre-lf-ca/ https://dumpradar.org/facility/san-onofre-lf-ca/#rank San Onofre LF in Camp Pendleton (Mil Res), CA 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 Vasco Road SLF — Low Risk (grade B) https://dumpradar.org/facility/vasco-road-slf-ca/ https://dumpradar.org/facility/vasco-road-slf-ca/#rank Vasco Road SLF in Livermore, CA 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 Visalia Landfill — Low Risk (grade B) https://dumpradar.org/facility/visalia-landfill-ca/ https://dumpradar.org/facility/visalia-landfill-ca/#rank Visalia Landfill in Visalia, CA 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 American Canyon SLF — Low Risk (grade B) https://dumpradar.org/facility/american-canyon-slf-ca/ https://dumpradar.org/facility/american-canyon-slf-ca/#rank American Canyon SLF in American Canyon, CA 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 City of Lompoc SLF — Low Risk (grade B) https://dumpradar.org/facility/city-of-lompoc-slf-ca/ https://dumpradar.org/facility/city-of-lompoc-slf-ca/#rank City of Lompoc SLF in Lompoc, CA 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 El Sobrante SLF — Low Risk (grade B) https://dumpradar.org/facility/el-sobrante-slf-ca/ https://dumpradar.org/facility/el-sobrante-slf-ca/#rank El Sobrante SLF in Corona, CA ranks #31 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. #32 Johnson Canyon SLF — Low Risk (grade B) https://dumpradar.org/facility/johnson-canyon-slf-ca/ https://dumpradar.org/facility/johnson-canyon-slf-ca/#rank Johnson Canyon SLF in Gonzales, CA ranks #32 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. #33 Mojave-Rosamond SLF — Low Risk (grade B) https://dumpradar.org/facility/mojave-rosamond-slf-ca/ https://dumpradar.org/facility/mojave-rosamond-slf-ca/#rank Mojave-Rosamond SLF in Mojave, CA ranks #33 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. #34 Newberry Springs Disposal Site — Low Risk (grade B) https://dumpradar.org/facility/newberry-springs-disposal-site-ca/ https://dumpradar.org/facility/newberry-springs-disposal-site-ca/#rank Newberry Springs Disposal Site in Newberry Springs, CA ranks #34 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. #35 Niland Cut & Fill Site — Low Risk (grade B) https://dumpradar.org/facility/niland-cut-fill-site-ca/ https://dumpradar.org/facility/niland-cut-fill-site-ca/#rank Niland Cut & Fill Site in Niland, CA ranks #35 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. #36 Phelan Refuse Disposal Site — Low Risk (grade B) https://dumpradar.org/facility/phelan-refuse-disposal-site-ca/ https://dumpradar.org/facility/phelan-refuse-disposal-site-ca/#rank Phelan Refuse Disposal Site in Phelan, CA ranks #36 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. #37 Sierra Army Depot — Low Risk (grade B) https://dumpradar.org/facility/sierra-army-depot-ca/ https://dumpradar.org/facility/sierra-army-depot-ca/#rank Sierra Army Depot in Herlong, CA ranks #37 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. #38 West Miramar SLF — Low Risk (grade B) https://dumpradar.org/facility/west-miramar-slf-ca/ https://dumpradar.org/facility/west-miramar-slf-ca/#rank West Miramar SLF in San Diego, CA ranks #38 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. #39 Badlands SLF — Low Risk (grade B) https://dumpradar.org/facility/badlands-slf-ca/ https://dumpradar.org/facility/badlands-slf-ca/#rank Badlands SLF in Moreno Valley, CA ranks #39 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. #40 Billy Wright Landfill — Low Risk (grade B) https://dumpradar.org/facility/billy-wright-landfill-ca/ https://dumpradar.org/facility/billy-wright-landfill-ca/#rank Billy Wright Landfill in Los Banos, CA ranks #40 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. #41 BKK Landfill-Phases I & II — Low Risk (grade B) https://dumpradar.org/facility/bkk-landfill-phases-i-ii-ca/ https://dumpradar.org/facility/bkk-landfill-phases-i-ii-ca/#rank BKK Landfill-Phases I & II in West Covina, CA ranks #41 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. #42 L & D Landfill Company — Low Risk (grade B) https://dumpradar.org/facility/l-d-landfill-company-ca/ https://dumpradar.org/facility/l-d-landfill-company-ca/#rank L & D Landfill Company in Sacramento, CA ranks #42 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. #43 Landers Sanitary Landfill — Low Risk (grade B) https://dumpradar.org/facility/landers-sanitary-landfill-ca/ https://dumpradar.org/facility/landers-sanitary-landfill-ca/#rank Landers Sanitary Landfill in Landers, CA ranks #43 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. #44 Mid-Valley Sanitary LF — Low Risk (grade B) https://dumpradar.org/facility/mid-valley-sanitary-lf-ca/ https://dumpradar.org/facility/mid-valley-sanitary-lf-ca/#rank Mid-Valley Sanitary LF in Rialto, CA ranks #44 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. #45 Needles Solid Waste Disposal Site — Low Risk (grade B) https://dumpradar.org/facility/needles-solid-waste-disposal-site-ca/ https://dumpradar.org/facility/needles-solid-waste-disposal-site-ca/#rank Needles Solid Waste Disposal Site in Needles, CA ranks #45 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. #46 Savage Canyon LF — Low Risk (grade B) https://dumpradar.org/facility/savage-canyon-lf-ca/ https://dumpradar.org/facility/savage-canyon-lf-ca/#rank Savage Canyon LF in Whittier, CA ranks #46 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. #47 Tri-Cities Landfill — Low Risk (grade B) https://dumpradar.org/facility/tri-cities-landfill-ca/ https://dumpradar.org/facility/tri-cities-landfill-ca/#rank Tri-Cities Landfill in Fremont, CA ranks #47 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. #48 Vandenberg Air Force Base LF — Low Risk (grade B) https://dumpradar.org/facility/vandenberg-air-force-base-lf-ca/ https://dumpradar.org/facility/vandenberg-air-force-base-lf-ca/#rank Vandenberg Air Force Base LF in Vandenberg Air Force Base, CA ranks #48 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. #49 Victorville Sanitary Landfill — Low Risk (grade B) https://dumpradar.org/facility/victorville-sanitary-landfill-ca/ https://dumpradar.org/facility/victorville-sanitary-landfill-ca/#rank Victorville Sanitary Landfill in Victorville, CA ranks #49 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. #50 Zanker Road (Nine Par) SLF — Low Risk (grade B) https://dumpradar.org/facility/zanker-road-nine-par-slf-ca/ https://dumpradar.org/facility/zanker-road-nine-par-slf-ca/#rank Zanker Road (Nine Par) SLF in San Jose, CA ranks #50 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.