Groundwater: What you need to know

Clean Water Act (CWA), 33 USC 1251 to 1387

Sewage sludge: 40 CFR 503.24

Safe Drinking Water Act (SDWA), 42 USC 300f to 300j-26

Critical and sole source aquifers: 40 CFR 149.3 and 40 CFR 149.100 to 149.111

Groundwater rule: 40 CFR 141.400 to 141.405

Resource Conservation and Recovery Act (RCRA), 42 USC 6901 to 6992k

Underground storage tanks (USTs): 40 CFR 280.20, 40 CFR 280.66, and 40 CFR 280.67

Municipal solid waste landfills (MSWLFs): 40 CFR 258.50 to 258.58

Hazardous waste treatment, storage, and disposal facilities (TSDFs): 40 CFR 264.97 to 264.101

Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), 42 USC 9601 to 9675

Toxic Substances Control Act (TSCA), 15 USC 2601 to 2692

Polychlorinated biphenyl (PCB) groundwater standards: 40 CFR 761.75

Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), 7 USC 136 to 136y

National Environmental Policy Act (NEPA), 42 USC 4321 to 4347 and 40 CFR 1500 to 1508

Surface Mining Control and Reclamation Act (SMCRA), 30 USC 1201

MSWLFs: 40 CFR 258.50 to 258.58 and Appendices

TSDF corrective action: 40 CFR 264.90 to 264.101 and 40 CFR 265.90 to 265.94

U.S. Environmental Protection Agency (EPA) Office of Groundwater and Drinking Water

U.S. Army Corps of Engineers (Corps)

U.S. Department of Agriculture (USDA) Natural Resource Conservation Service

U.S. Geological Survey (USGS)

U.S. Department of the Interior Office of Surface Mining Reclamation and Enforcement (OSM)

See ADDRESSES & CONTACTS for addresses and telephone numbers.