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Home › Due Diligence Guides › How to Check If Land Is Contaminated Before Buying Vacant Lots or Acreage
Land & Acreage • 6 min read • Last Updated October 28, 2026

How to Check If Land Is Contaminated Before Buying Vacant Lots or Acreage

Buying raw land, infill lots, or agricultural parcels? Learn how to screen for illegal dumping, prior industrial permits, RCRA waste handlers, and NPDES water discharge violations.

Hidden Hazards on Vacant and Infill Lots

Vacant urban or suburban parcels are frequently vacant for a reason: former service stations, auto salvage yards, metal plating shops, or dry cleaners may have operated on or next to the lot decades ago. Even after buildings are demolished, EPA Facility Registry Service (FRS) and RCRA records retain the historical coordinates and compliance history.

Well Water and Runoff Considerations for Rural Land

If the land relies on a private well rather than municipal water, screening a 1.0 to 2.0-mile radius for Clean Water Act (NPDES) permit violators, Safe Drinking Water Act (SDWIS) records, and concentrated industrial operations is critical before drilling or building.

Frequently Asked Questions

Can demolished gas stations or factories still show up in EPA records?
Yes. The U.S. EPA Facility Registry Service tracks over 3.2 million active and historical regulated facilities, preserving past RCRA hazardous waste IDs and enforcement records.