The data that answers it

Ranked by fit · best first
New York State Department of Environm… Primary fit
Brownfield Cleanup Program

The published BCP slice supplies programme number/type, facility identity, address, coordinates, operable unit, and owner context for tracked records.

Free APIFull file Subnational 12 fields
Georgia Environmental Protection Divi… Primary fit
Brownfield Public Record

Georgia EPD’s public record identifies properties where Brownfield Act response actions are planned, underway, or complete and reports property identity and HSI classification.

Free Full file Subnational 6 fields
Illinois Environmental Protection Age… Primary fit
Brownfields

The public Illinois EPA Brownfields query service identifies pointable redevelopment and assessment sites using ACRES, federal, and IEPA identifiers together with property name, address, and coordinates, directly establishing programme case and site history.

Free API Subnational 9 fields
South Carolina Department of Environm… Primary fit
Brownfields Voluntary Cleanup Contracts

South Carolina’s SARR Brownfields layer identifies voluntary-cleanup contracts by case and master identifiers, programme, record and site type, name, address, and coordinates.

Free APIFull file Subnational 12 fields
Wisconsin Department of Natural Resou… Primary fit
BRRTS Brownfields

The quarterly public BRRTS bulk export provides statewide contaminated-property facility and remediation-activity records with SITE_ID, DETAIL_SEQ_NO, activity type, name and number, address, and coordinates, directly establishing official case and programme history.

Free Full file Subnational 17 fields
Wisconsin Department of Natural Resou… Primary fit
Dry Cleaner Facility Listing

The downloadable listing identifies parcel-resolvable known remediation activities by BRRTS number, activity name, address, coordinates, and public activity-detail URL. Linked BRRTS pages publish programme/activity type, jurisdiction, facility and activity identity, and location details, directly supporting official remediation case history for this dry-cleaner subset without implying that all parcel contamination programmes are represented.

Free Full file Subnational 6 fields
New York State Department of Environm… Primary fit
Environmental Remediation Sites

The HW/State Superfund slice supplies programme number/type, site identity, address, coordinates, and operable-unit context for tracked sites.

Free APIFull file Subnational 11 fields
Georgia Environmental Protection Divi… Primary fit
Hazardous Site Inventory

Georgia EPD’s statewide inventory supplies HSI number, site identity, address and coordinates, listing date, site class, funding code, and summary link.

Free Full file Subnational 8 fields
North Carolina Department of Environm… Primary fit
Inactive Hazardous Sites

NC DEQ’s public FeatureServer returns EPA ID, site name/address, county, coordinates, source classification, programme indicators, and record update date.

Free APIFull file Subnational 7 fields
New Jersey Department of Environmenta… Primary fit
Industrial Site Recovery Act Cases

The parcel-addressable ISRA Source identifies industrial-establishment remediation-review cases with preferred, PI, and site identifiers, site name, address, parcel references, and an ISRA indicator.

Free APIFull file Subnational 21 fields
New Jersey Department of Environmenta… Primary fit
KCSNJ Removed, Confirmed-Contaminated Open Cases

The re-evaluation Source identifies confirmed-contaminated, non-closed cases with preferred, PI, and site identifiers, address, parcel references, and list context.

Free APIFull file Subnational 19 fields
New Jersey Department of Environmenta… Primary fit
Known Contaminated Site List for New Jersey

NJDEP’s statewide active-and-pending inventory exposes site and PI identity, address and coordinates, category, remedial level, and official listing status.

Free APIFull file Subnational 10 fields
Show 48 more sources+−
New Jersey Department of Environmenta… Primary fit
Known Contaminated Sites — Closed Historic Cases

The parcel-addressable closed-historic Source identifies confirmed-contamination cases with preferred, PI, and NJEMS site identifiers, site name, address and parcel references, KCSL/list context, and programme indicators. Presence is historical and does not establish present contamination or an active case.

Free APIFull file Subnational 18 fields
Maryland Department of the Environment Primary fit
Land Restoration Program Sites

Maryland MDE's official master Land Restoration Program layer identifies tracked sites by site name and alias, tblSitesID, Brownfields Master Inventory number, EPA ID, parcel/tax identifiers, address, and geometry, and exposes raw programme indicators for VCP, NPL, Brownfields, CHS/State Superfund, CERCLA assessment, groundwater investigation, federal-facility, and defense-site tracks. It directly supports which official LRP programme/site entries apply at or near a parcel. Preserve each actual identifier or spatial match, raw programme flags, site grain, source vintage, and retrieval date; roster presence does not establish current contamination or active standing.

Free APIBatch enrichmentFull file Subnational 12 fields
Maryland Department of the Environment Primary fit
LRP Hazardous Sites

The LRP hazardous/state-cleanup product supplies site identity, parcel/address, and CHS, CERCLA, NPL, VCP, and related programme classifications.

Free APIBatch enrichmentFull file Subnational 15 fields
Maryland Department of the Environment Primary fit
Maryland Brownfields Sites

The Brownfield-filtered LRP product supplies site identity, inventory number, parcel/address, and programme indicators.

Free APIBatch enrichmentFull file Subnational 12 fields
North Carolina Department of Environm… Primary fit
NC Brownfields Location View

The public NCBP point layer is queryable statewide by address or coordinates and returns Brownfields project identifiers and names, thereby establishing that a named parcel or nearby site is tracked in the North Carolina Brownfields Program.

Free APIFull file Subnational 6 fields
Maryland Department of the Environment Primary fit
Oil Control Program Case Information Search

Maryland MDE's Oil Control Program remediation page offers a public search for a suspected open or closed case by address or other identifying information. The standing search accepts case number, facility ID, location, county, and address; a live location search returned OCP case number, facility ID, location name, address, city, county, and raw status. MDE separately states that OCP oversees cleanup when oil is released. Together these provide authoritative evidence of which officially tracked oil-release or remediation case and site apply at a buyer-named location. Preserve the OCP agency-case number, facility or site identity, address match, Maryland programme context, source grain, and retrieval date; roster presence does not establish current contamination, active cleanup, liability, or a court proceeding.

Free Batch enrichment Subnational 2 fields
Virginia Department of Environmental … Primary fit
RCRA Corrective Action Sites

Virginia DEQ's standing public Virginia-filtered EPA Region 3 RCRA Corrective Action point layer returns 123 Virginia sites and publishes site name, HANDLER_ID/EPA_ID, street address, WGS84 point geometry, GPRA corrective-action roster indication, and per-site EPA fact-sheet/document links. This directly establishes an officially tracked RCRA corrective-action programme/site presence and identity at or near a parcel. Preserve the address or coordinate match, point/site grain, layer vintage, and retrieval date; roster presence does not establish current contamination, active cleanup, case phase, controls, completion, or closure.

Free APIFull file Subnational 2 fields
Indiana Department of Environmental M… Primary fit
Remediation Brownfields

Indiana's public Brownfields feature layer identifies pointable programme sites using master agency-interest and Brownfields identifiers, site names, address and coordinates, and financial or other assistance history.

Free APIFull file Subnational 6 fields
Florida Department of Environmental P… Primary fit
Responsible Party Cleanup Sites

Florida DEP’s Responsible Party Cleanup layer identifies tracked cleanup sites by ERIC and facility identifiers and reports site name, programme, type, address, and point location.

Free APIFull file Subnational 8 fields
South Carolina Department of Environm… Primary fit
SARR State Cleanup Sites

The SARR State Cleanup extract reports site identity, programme/type, case and master identifiers, address, and coordinates at deduplicated site grain.

Free APIFull file Subnational 9 fields
Illinois Environmental Protection Age… Primary fit
Site Remediation Program Sites Export

Illinois EPA's standing SRP search and bulk Sites CSV identify voluntary-remediation projects by IEPA and, where present, USEPA site identifiers, site name, street/city/ZIP, and coordinates. This directly establishes official SRP project and site history at or near a named parcel. Preserve the address or coordinate match, site identifiers, source vintage, and retrieval date; roster presence does not itself establish contamination, cleanup need, liability, or current standing.

Free APIFull file Subnational 8 fields
Indiana Department of Environmental M… Primary fit
State Cleanup Site List

IDEM's official State Cleanup Program page publishes a standing XLSX site list and states that it is updated semi-annually. The July 2026 workbook identifies State Cleanup sites by State Cleanup Site number, name, address, city, ZIP, and county, directly supporting official programme case/site presence at a named location. Preserve site-number grain and deduplicate chemical-expanded rows when enumerating cases; the list's presence does not by itself establish current contamination or current standing.

Free Full file Subnational 5 fields
Indiana Department of Environmental M… Primary fit
State Cleanup Sites

Indiana's official State Cleanup Sites ArcGIS layer identifies programme sites by agency-interest and regulatory-program identifiers, agency-interest name, Program, Sub_Program, physical address, and coordinates. It directly supports official programme/site presence and identity at or near a parcel. Preserve the address or coordinate match, ArcGIS site grain, Data_Collection_Date, source vintage, and retrieval date; roster presence does not establish current contamination, active cleanup, case status, closure, controls, or liability.

Free APIFull file Subnational 6 fields
Florida Department of Environmental P… Primary fit
State Tribal Response Sites

Florida DEP's public State and Tribal Response Program subset identifies officially tracked sites through ERIC, source-facility, and site identities and supplies programme, programme type, site/facility name, address, and point location. It directly answers which programme case and site are recorded at or near a parcel. Preserve SRP subset semantics, source-record grain, spatial match, and source vintage; do not generalize the subset to every Florida voluntary-cleanup programme.

Free APIFull file Subnational 9 fields
Massachusetts Department of Environme… Primary fit
Tier Classified 21E Sites

MassDEP’s statewide layer identifies currently active Tier Classified disposal sites by RTN, site name, address, town, status code, and site-detail URL.

Free APIFull file Subnational 4 fields
Vermont Department of Environmental C… Primary fit
Vermont Hazardous Sites

Vermont’s queryable statewide Hazardous Waste Sites layer returns official site number, name, address, programme vocabulary, priority, contaminants, record link, and coordinates.

Free APIFull file Subnational 10 fields
Maryland Department of the Environment Primary fit
Voluntary Cleanup Program Sites

Maryland’s LRP layer identifies tracked sites by site and inventory identifiers, EPA ID, address, parcel and tax identifiers, and raw programme flags.

Free APIBatch enrichmentFull file Subnational 12 fields
New York State Department of Environm… Primary fit
Voluntary Cleanup Program Sites

The published VCP slice supplies programme number/type, facility identity, address, coordinates, and operable-unit context.

Free APIFull file Subnational 11 fields
South Carolina Department of Environm… Primary fit
Voluntary Cleanup Sites

South Carolina’s product publishes master and case identifiers, programme, category/type, site name, address, coordinates, contaminants, and contracting details.

Free APIFull file Subnational 10 fields
Arizona Department of Environmental Q… Primary fit
Voluntary Remediation Program Sites

ADEQ’s statewide VRP layer reports site name, type, code, address and coordinates, acceptance date, and closure date for officially tracked cases.

Free APIFull file Subnational 12 fields
Massachusetts Department of Environme… Primary fit
Waste Site Cleanup Notifications and Status

MassDEP publicly exposes all regulated Waste Site Cleanup notifications with Release Tracking Number, address, status, and primary release information. The Source therefore identifies which officially tracked contamination or cleanup cases apply at a buyer-named parcel. Roster presence establishes a tracked notification or case, not current contamination or present case standing.

Free Full file Subnational 10 fields
Arizona Department of Environmental Q… Strong fit
ADEQ Brownfields Grant Sites

ADEQ’s statewide Brownfields layer identifies accepted properties by site name, code, type, place identifiers, address, coordinates, and parcel references.

Free APIFull file Subnational 13 fields
New Jersey Department of Environmenta… Strong fit
Brownfield Inventory for New Jersey

NJDEP’s selected-brownfield inventory identifies suspected-contamination sites by identifiers, name, address, parcel references, project description, and programme context.

Free APIFull file Subnational 12 fields
Florida Department of Environmental P… Strong fit
Brownfield Sites

Florida DEP’s statewide layer identifies sites with executed rehabilitation agreements by site ID/name, area identity, address, coordinates, and agreement date.

Free APIBatch enrichmentFull file Subnational 9 fields
Wisconsin Department of Natural Resou… Strong fit
BRRTS Environmental Repair Program Sites

Wisconsin DNR’s BRRTS ERP product publishes open and closed cleanup activities with activity identity, facility identifier, address, coordinates, raw status, and dates.

Free APIFull file Subnational 10 fields
Delaware Department of Natural Resour… Strong fit
HSCA Sites

Delaware DNREC’s HSCA remediation layer identifies tracked sites by site ID/name and site category.

Free APIFull file Subnational 3 fields
Indiana Department of Environmental M… Strong fit
IDEM Voluntary Remediation Program Sites

IDEM’s non-confidential VRP layer identifies sites by agency-interest and programme identifiers, name, programme, physical address, coordinates, and collection metadata.

Free APIFull file Subnational 5 fields
Pennsylvania Department of Environmen… Strong fit
Land Recycling Completed Sites

The standing statewide Act 2 Completed Sites output identifies completed land-recycling activity at site grain and supplies site/location context and completed-site classification.

Free Full file Subnational 4 fields
Maryland Department of the Environment Strong fit
LRP Determinations

Maryland MDE's official determination records identify the issuing Land Restoration Program, site name, applicant, parcel/legal-property identifier, determination identifier, and determination type. They therefore provide bounded evidence that an official LRP remediation or closure determination applies to the identified site and what programme, determination type, and site identity are recorded; `tblDetID` is a determination identifier, not evidence of a separate remediation-case number.

Free APIBatch enrichmentFull file Subnational 19 fields
New York State Department of Environm… Strong fit
Manufactured Gas Plants

The documented facility-name heuristic returns MGP programme enrollments with programme identity, site identity, address, coordinates, and operable-unit context.

Free APIFull file Subnational 10 fields
U.S. Environmental Protection Agency … Strong fit
Region 1 Tribal Brownfields Accomplishments

The EPA-released property-level workbook identifies Brownfields properties by ACRES property ID, name, address and coordinates and reports cooperative-agreement identity and type.

Free Full file Unknown 11 fields
Florida Department of Environmental P… Strong fit
Site Investigation Section Sites

Florida DEP’s Site Investigation Section layer identifies official contamination-assessment sites by site and alternate numbers, programme key, name, address, and coordinates.

Free APIFull file Subnational 4 fields
Illinois Environmental Protection Age… Strong fit
Site Remediation Program NFR Letter Registry

Illinois EPA's standing SRP/NFR product identifies parcel-reachable SRP sites by IEPA and optional USEPA identifiers, site name, address, and coordinates, and reports the count and earliest/latest dates of NFR letters aggregated for each site. This establishes bounded official NFR-determination history and site identity, not a complete remediation-case chronology or a distinct case number.

Free APIFull file Subnational 15 fields
Texas Commission on Environmental Qua… Strong fit
Texas Brownfields Site Assessment Inventory

TCEQ’s statewide Brownfields layer identifies tracked assessment sites by assessment ID, regulated-entity number, site name, programme, address, county, region, and coordinates.

Free APIFull file Subnational 6 fields
Vermont Department of Environmental C… Strong fit
Vermont Brownfields

Vermont DEC’s statewide Brownfields layer identifies tracked sites by site name, address, coordinates, programme status, and linked agency documentation.

Free APIFull file Subnational 10 fields
Delaware Department of Natural Resour… Strong fit
Voluntary Cleanup Program Sites

Delaware’s remediation-sites layer exposes the Voluntary Cleanup Program subset with site category, site identifier, and site name.

Free APIFull file Subnational 3 fields
North Carolina Department of Environm… Strong fit
Voluntary Cleanup Sites

NC DEQ's queryable Inactive Hazardous Sites layer, filtered to `Vol_Cleanu='TRUE'`, returns EPA/site identity, site name, address and coordinates, source classification, the voluntary-cleanup programme flag, and a record update date. This is strong official evidence of historical voluntary-cleanup programme case presence at a parcel-reachable site. Preserve source vintage and the address/coordinate match; neither the flag nor update date establishes current contamination, remediation, closure, or programme standing.

Free APIFull file Subnational 6 fields
Virginia Department of Environmental … Strong fit
Voluntary Remediation Program Site Addresses

Virginia DEQ’s statewide VRP layer reports enrolled-site name and number and supplies address and point location.

Free APIFull file Subnational 2 fields
Minnesota Pollution Control Agency Strong fit
What's In My Neighborhood

The public MPCA Sites layer returns geolocated Investigation and Cleanup records with site identity, MPCA case identifier, programme, and activity or case-type values such as Site Assessment, Petroleum Remediation / Leak Site, Brownfields / Petroleum Brownfield, and CERCLIS Site. This directly answers which officially tracked investigation or remediation cases apply at or near a parcel and what programme, case type, and site identity are recorded. Roster presence and active_flag do not establish current contamination, current case standing, cleanup outcome, causation, or liability.

Free APIFull file Subnational 9 fields
Pennsylvania Department of Environmen… Supporting fit
Act 2 Deed-Acknowledgment Sites

The standing Act 2 output exposes site-located completed land-recycling rows whose recorded case class is the deed-acknowledgment remediation standard.

Free Full file Subnational 3 fields
Delaware Department of Natural Resour… Supporting fit
Certified Brownfields

Delaware’s published certified-brownfields list identifies officially certified sites by remediation site ID, site name, address, and city.

Free Full file Subnational 4 fields
Pennsylvania Department of Environmen… Supporting fit
Land Recycling Cleanup Locations

Pennsylvania’s public cleanup-locations Source identifies parcel-reachable Act 2, STSP, CERCLA, and HSCA locations by site ID and named sub-facility or media unit.

Free APIFull file Subnational 2 fields
Texas Commission on Environmental Qua… Supporting fit
State Superfund

TCEQ’s State Superfund endpoint publishes programme, regulated-entity number, EPA and state identifiers, site name, address/coordinate, and location metadata.

Free API Subnational 6 fields
Texas Commission on Environmental Qua… Supporting fit
Voluntary Cleanup

TCEQ’s Voluntary Cleanup endpoint publishes programme, regulated-entity number, VCP identifier, site name, address/coordinate, and location metadata.

Free API Subnational 6 fields
New Jersey Department of Environmenta… Supporting fit
Voluntary Cleanup Program MOA Sites

The NJDEP full-file extract identifies historical former-VCP records selected by issued MOA and supplies site address, municipality, ZIP, and a VCP indicator. NJDEP's official archived programme description confirms that entry into the VCP used a Memorandum of Agreement to establish cleanup scope, while NJDEP's OPRA page provides a standing governmental records-request channel. Together these support historical programme presence at a named location, not current remediation standing. Preserve address match, programme and file vintage, and retrieval date; do not infer present contamination, active status, completion, closure, or continuing VCP standing.

Free Full file Subnational 3 fields
Oklahoma Department of Environmental … Supporting fit
Voluntary Cleanup Program Sites

Oklahoma DEQ’s VCP layer identifies participating properties by facility name, site identifier, county, and coordinates.

Free APIFull file Subnational 3 fields
Georgia Environmental Protection Divi… Supporting fit
Voluntary Remediation Program Participants

Georgia’s published pre-July-2019 participant table identifies properties by property name and tax parcel identifier or street address; it is historical programme-presence evidence only.

Free Full file Subnational 1 field
U.S. Department of Health and Human S… Minor fit
ATSDR Map of PFAS Sites

ATSDR's official map identifies locations where ATSDR is involved in investigating PFAS in the environment, while its downloadable layers supply site identity, engagement or study type, state, a supporting site page where populated, and point geometry. It therefore supplies an official environmental-investigation-history screen at or near a parcel, but not contamination confirmation, remediation, lifecycle status, concentration, case identity, or parcel identity. Use only entries whose environmental-investigation context and site identity are corroborated and whose coordinates are valid; health-study participation alone does not qualify, and null or apparently malformed coordinates must not be used unverified for parcel proximity.

Free Full file National US 4 fields

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