| Above Ground Storage Tank |
| Airport/Abandoned Airfield |
| Animal Burial Area |
| Animal Feedlot |
| Animal Feedlot - CAFO |
| Animal Waste Storage/Disposal |
| Asphalt/Cement/Concrete Plant |
| Auto Repair/Body Shop |
| Auto/Boat/Camper Dealer |
| Auto/Truck Wash |
| Boat Repair/Service/Storage |
| Carpet/Tile/Paint Store |
| Cemetery |
| Chemical Plant |
| Chemical Spill |
| Chemical Storage |
| Combined Sewer Overflow |
| Composting/Yard Waste Facility |
| Crops: Orchard/Vineyard/Tree Farm |
| Crops: Other |
| Crops: corn, soybean, wheat |
| Dairy Facility |
| Drainage Canal/Tile |
| Drinking Water Treatment Plant |
| Dry Cleaner (On-site Cleaning) |
| Electrical Substation |
| Electronics Manufacturer |
| Equipment Rental/Repair Shop |
| Farm Chemical Storage/Distribution/Production |
| Farm Equipment Storage/Repair/Sales |
| Fertilizer Application |
| Fleet/Truck/Bus Terminal |
| Floor Drain (To Septic Tank/Well) |
| Food/Beverage Processing Facility |
| Funeral Home/Crematory |
| Furniture Manufacturing/Repair Shop |
| Garage: Municipal |
| Garage: School Bus |
| Gas Station: Abandoned/Historic |
| Gas Station: Active |
| Golf Course |
| Gravel Pit/Quarry |
| Greenhouse/Nursery |
| Ground Water Recharge Pond |
| Groundwater Impact |
| Hardware/Home Improvement/Lumber Store |
| Heating Oil Company |
| Herbicide/Pesticide Application |
| Historic Hazardous Material Site |
| Hospital |
| Junk Yard (Auto Salvage/Scrap) |
| Lagoon/Impoundment: Industrial Waste |
| Lagoon/Impoundment: Non-Industrial Waste/Sewage |
| Landfill: Abandoned Dump Site |
| Landfill: Closed/Inactive |
| Landfill: Construction/Demolition Debris |
| Landfill: Hazardous Waste |
| Landfill: Industrial |
| Landfill: Municipal |
| Landfill: Residual Waste |
| Landfill: Tire Pile |
| Landfill: Unknown Status |
| Landscaping/Lawn Care Facility |
| Lawn & Garden/Farm Equipment Store |
| Marina/Boat Dock |
| Material Stockpile (not salt) |
| Medical/Dental/Vet Clinic |
| Metal Fabricator/Foundry |
| Metalworking/Machine Shop/Plating/Welding Facility |
| Military Base |
| Mine Waste (Gob Pile/Tailings) |
| Mine: Abandoned |
| Mine: Abandoned Entry Point |
| Mine: Surface/Strip Mine |
| Mine: Underground |
| National Priority List (NPL) |
| Other Agricultural Source |
| Other Commercial Source |
| Other Industrial Source |
| Other Municipal Source |
| Other Waste Disposal Source |
| Other Onsite |
| PCB Facility |
| Pasture |
| Pest Control Company |
| Petroleum Production/Storage Facility |
| Pipeline: Chemical/Petroleum |
| Pipeline: Industrial |
| Pipeline: Natural Gas |
| Plastics/Synthetics Manufacturer |
| Power Plant |
| Radioactive Waste Disposal Site |
| Railroad Yard/Maintenance Facility |
| Recycling Facility |
| Research Laboratory |
| Salt/De-icer Storage |
| Sanitary Sewer Line |
| Septic System: Discharging to Surface Water |
| Septic System: Tank/Leachfield/Mound System |
| Sinkhole |
| Storm Drain |
| Storm Water Basin |
| Town Gas Site |
| Underground Injection: Class 1 |
| Underground Injection: Class 2 (brine) |
| Underground Injection: Class 4 |
| Underground Injection: Class 5 |
| Underground Storage Tank: Leaking |
| Underground Storage Tank: Non-Leaking |
| Underground Storage Tank: Removed |
| Underground Storage Tank: Unknown Status |
| Utility Shed/Maintenance Building |
| Wastewater Discharge: Industrial |
| Wastewater Discharge: Municipal |
| Wastewater Treatment Facility |
| Wastewater/Biosolids Application |
| Well: Oil & Gas |
| Well: Other |
| Wood Preserving/Treating Facility |
| Wood/Paper/Pulp Mill |