Where this answer comes from.
Each of these has its own page naming the office that publishes it, how often it updates, and what it cannot answer. Rebuilt from the ParcelOps source directory on September 9, 2026.
National Response Center (USCG) Spill Reports
Reported oil, chemical, and hazmat releases called in to the Coast Guard hotline, by county and calendar year.
EPA Regulated Facilities
US regulated facilities, permits, inspections, compliance, and enforcement history from EPA ECHO.
EPA Facility Registry
EPA facility identifiers and cross-program links for reconciling environmental records.
Where this stops.
The part a search result will not tell you, and the part worth reading before this answer goes into a decision.
- A zero is a zero for that county, that calendar year, and that file. It says nothing about the parcel, about earlier years, or about releases nobody called in.
- Onshore fixed facility reports are the largest category and the least likely to carry coordinates, which is the opposite of what property work needs.
- Nothing in the record says whether anything was cleaned up, or whether the reported release turned out to be real.
What people ask next.
Someone reported a release at the address next door. Is the site contaminated?
That is not what the record establishes. The hotline takes initial calls and forwards them; it is not a response agency and it does not validate what it is told. A report is a reason to look at the site history and to scope the environmental work properly. The answer about contamination comes from a Phase I and, if it goes that far, a Phase II.
Why is this county and year rather than a radius around the address?
Because most reports have no coordinates. Fixed onshore facilities, the category that matters most for property work, carry them least often, and the reports that do have coordinates cluster offshore. A radius search would look precise while quietly dropping the majority of the reports that concern the area, so the county and year cut is the honest shape for this file.
Questions people ask alongside this one.
What census tract is this address in?
Federal program designations are published by census tract, not by address. How to resolve an address to its state, county, tract, and block codes, and why the vintage matters.
Is this property in a flood zone?
A flood zone answer is a letter read off a specific FEMA map panel with an effective date. What each zone means, and why outside a zone is not the same as safe.
Are there wetlands on this property?
The national wetlands inventory is a map layer compiled from imagery, not a jurisdictional determination. What the classification codes mean and where the layer stops.
Is this property in a wildfire risk area?
There is no national wildfire zone the way there is a flood zone. What the modeled risk metrics at a point actually describe, and what decides one house.
Is there a dam near this property?
Listed dams near a point with hazard class and condition rating. Hazard class describes consequence, not likelihood, and proximity to a dam is not inundation risk.
Have earthquakes been recorded near this site?
The published earthquake catalog around a coordinate, with magnitude, depth, and date. Why a quiet catalog is a statement about the instrument record, not about hazard.
The lanes this question belongs to.
A lane page lists every source that kind of work reads, not only the ones behind this question, and states where the whole lane stops.
Run it on a property you already know.
The free plan includes 50 tool calls for the life of the account. They never expire and never refill, and there is no credit card. Ask this question about an address whose answer you can check.