{ "schema_version": 1, "source_compilation_context": { "oh": { "attribution": { "inventory": { "name": "Compute Atlas", "creator": "Edward Kubiak", "url": "https://www.compute-atlas.com/api", "license": "CC BY 4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "snapshot_url": "https://www.compute-atlas.com/api/facilities", "retrieved": "2026-10-14", "sha256": "79ad432dab7c128e428234c9d0dd40933114b415a4a5d697db00095637d50f37", "changes": "Added provenance, publication-date distinctions, display-safe wording, quarantine flags and state partitioning. Original source records retained locally." }, "counties": "U.S. Census Bureau county boundaries (public domain)", "research": "Field-specific source context. See the linked source and limits on each record." }, "source_data_url": "https://datacentersatlas.com/data/oh.json", "updated": "2026-10-24" } }, "scope": "Retained county context, which can be broad or unresolved. No parcel or municipal jurisdiction is inferred. Research records retain their sources, dates and location limits. Counts are not a census of operating buildings. Company name links alone do not establish ownership or operation.", "collection": { "kind": "counties", "key": "39159", "label": "Union County, Ohio" }, "records": [ { "id": "aws-industrial-parkway-jerome-township-oh", "state": "oh", "kind": "facility", "name": "AWS Industrial Parkway Campus (Jerome Township)", "group": "unknown", "status": "Status unclear", "raw_status": "", "status_field": "", "crypto": false, "type": "Data center (inventory classification)", "counties": [ "Union" ], "city": "Plain City", "address": "", "who": "", "end_user": "", "mw": null, "power": "", "power_note": "", "investment": "", "jobs": "", "acres": null, "utility": "", "water": "", "incentives": "", "note": "Manual source context is available for this inherited inventory record. The inventory label and approximate geography are retained for discovery. This is not certification of current operation, ownership, a separate physical building, technical capacity or a precise parcel. Missing fields remain unknown. Union County Amazon Industrial Parkway cadastral context. Repeated joined feature rows are not three buildings. Distinct area/year attributes may represent improvements or joined assessment records; do not sum or label exact production opening. Appraised building value is tax-assessment context, not construction capex/transaction/incentive. Geometry is EPSG3857 meters, not lat/lon. No operating status or ITMW proven. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building.", "date": "", "events": [], "timeline": [], "opened": "", "tier": "", "sources": [ { "url": "https://www7.co.union.oh.us/unioncountyohio/rest/services/ParcelAllSaleinfoBuildingInfo/MapServer/1/query?where=ParcelNo%3D'1500220390010'&outFields=ParcelNo,DeedOwner,Address,city,township,Acreage,classDescription,yearBuilt,TotalBuildingArea,AppraisedBuildValue&f=json", "host": "www7.co.union.oh.us", "date": "", "published": "", "checked": "2026-10-14", "date_kind": "publication date not established", "label": "Reviewed source" } ], "loc": { "lat": 40.29938, "lng": -83.37152, "precision": "county", "basis": "Shown at county level only. The dot is placed inside the county for the map and is not the site, its address or a parcel." }, "reviewed_evidence": [ { "overlay": "public-institution-review-round11-2026-10-14.json", "scope": "Union County Amazon Industrial Parkway cadastral context", "fields": { "agency": "Union County Ohio parcel service", "parcel": "1500220390010", "deed_owner_as_listed": "AMAZON DATA SERVICES INC", "situs_address": "8565 Industrial Parkway", "postal_city": "Plain City", "township": "Jerome", "parcel_acres": 86.18, "returned_feature_rows": 3, "distinct_attribute_rows": 2, "assessment_build_years": [ 2024, 2025 ], "assessment_building_area_values_sqft": [ 151305, 215144 ] }, "notes": [ "Repeated joined feature rows are not three buildings. Distinct area/year attributes may represent improvements or joined assessment records; do not sum or label exact production opening. Appraised building value is tax-assessment context, not construction capex/transaction/incentive. Geometry is EPSG3857 meters, not lat/lon. No operating status or ITMW proven.", "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building." ], "sources": [ { "url": "https://www7.co.union.oh.us/unioncountyohio/rest/services/ParcelAllSaleinfoBuildingInfo/MapServer/1/query?where=ParcelNo%3D'1500220390010'&outFields=ParcelNo,DeedOwner,Address,city,township,Acreage,classDescription,yearBuilt,TotalBuildingArea,AppraisedBuildValue&f=json", "host": "www7.co.union.oh.us", "date": "", "published": "", "checked": "2026-10-14", "date_kind": "publication date not established", "label": "Reviewed source" } ], "whole_record_certified": false } ], "manual_source_reviewed": true, "whole_record_certified": false, "field_evidence_present": true, "inventory_label_retained": true, "precision_label": "Exact site not published; shown at county level", "summary": "Plain City · Union · Source context reviewed", "location_display": { "policy": "reviewed-map-references-2026-10-23", "decision": "withheld_unreviewed_point", "scope": "The available point evidence does not establish a supported site location. No site pin, nearby distance or aerial destination is published. The original coordinate and its provenance remain in research history.", "county_display": "39159" } }, { "id": "aws-project-cosmos-marysville-oh", "state": "oh", "kind": "facility", "name": "AWS Project Cosmos", "group": "building", "status": "City-reported site preparation", "raw_status": "under construction", "status_field": "current_status", "crypto": false, "type": "Data center (inventory classification)", "counties": [ "Union" ], "city": "Marysville", "address": "", "who": "", "end_user": "", "mw": null, "power": "", "power_note": "", "investment": "", "jobs": "", "acres": null, "utility": "", "water": "", "incentives": "", "note": "Manual source context is available for this inherited inventory record. The inventory label and approximate geography are retained for discovery. This is not certification of current operation, ownership, a separate physical building, technical capacity or a precise parcel. Missing fields remain unknown. Marysville two distinct data-center projects and approval chronology. Two separate city projects; do not label Anadonna as AWS without tenant proof. First reading not final adoption day; city reports CRA approved but actual signed terms not read here. Approximate annual4Mpayroll per project not jobs count or investment. Atleast50fulltimejobs plural FAQ scope ambiguous; not assigned each. No numeric ITMW or observed commissioning. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building.", "date": "", "events": [], "timeline": [], "opened": "", "tier": "", "sources": [ { "url": "https://marysvilleohio.org/772/Data-Center-FAQs", "host": "marysvilleohio.org", "date": "", "published": "", "checked": "2026-10-14", "date_kind": "publication date not established", "label": "Reviewed source" } ], "loc": { "lat": 40.31227, "lng": -83.38558, "precision": "county", "basis": "Shown at county level only. The dot is placed inside the county for the map and is not the site, its address or a parcel." }, "reviewed_evidence": [ { "overlay": "public-institution-review-round11-2026-10-14.json", "scope": "Marysville two distinct data-center projects and approval chronology", "fields": { "agency": "City of Marysville, Ohio", "named_projects": [ { "operator": "AWS", "project": "US33 Innovation Park", "address": "14684 Industrial Parkway", "site_acres_approx": 55, "estimated_building_sqft_approx": 500000, "estimated_investment_usd_approx": 1000000000, "agency_reported_site_readiness_start": "early2026", "construction_forecast_through_year": 2027 }, { "applicant": "Anadonna LLC", "project": "Marysville South", "site_acres_approx": 600, "estimated_building_sqft_range": [ 750000, 1000000 ], "estimated_investment_usd_min_inclusive_approx": 1000000000, "pud_rezoning_month": "2024-08", "cra_donation_agreement_first_reading_date": "2025-11-10" } ] }, "notes": [ "Two separate city projects; do not label Anadonna as AWS without tenant proof. First reading not final adoption day; city reports CRA approved but actual signed terms not read here. Approximate annual4Mpayroll per project not jobs count or investment. Atleast50fulltimejobs plural FAQ scope ambiguous; not assigned each. No numeric ITMW or observed commissioning.", "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building." ], "sources": [ { "url": "https://marysvilleohio.org/772/Data-Center-FAQs", "host": "marysvilleohio.org", "date": "", "published": "", "checked": "2026-10-14", "date_kind": "publication date not established", "label": "Reviewed source" } ], "whole_record_certified": false }, { "overlay": "county-status-2026-10-19", "scope": "Marysville reports that site readiness work for its AWS US 33 Innovation Park project began in early 2026.", "fields": { "current_stage_evidence": { "outcome": "city_reported_site_preparation", "scope": "Marysville reports that site readiness work for its AWS US 33 Innovation Park project began in early 2026." } }, "notes": [ "The city distinguishes this AWS project from the separate Anadonna / Marysville South development. Site preparation does not establish completed halls or operation. Construction through 2027 remains a forecast, and the early 2026 reference gives no exact start day." ], "sources": [ { "url": "https://marysvilleohio.org/772/Data-Center-FAQs", "host": "marysvilleohio.org", "published": "", "date": "", "checked": "2026-10-19", "label": "Original county or city record for the qualified stage" } ], "checked": "2026-10-19", "whole_record_certified": false } ], "manual_source_reviewed": true, "whole_record_certified": false, "field_evidence_present": true, "inventory_label_retained": true, "precision_label": "Exact site not published; shown at county level", "summary": "Marysville · Union · Source context reviewed", "status_scope": "Marysville reports that site readiness work for its AWS US 33 Innovation Park project began in early 2026.", "location_display": { "policy": "reviewed-map-references-2026-10-23", "decision": "withheld_unreviewed_point", "scope": "The available point evidence does not establish a supported site location. No site pin, nearby distance or aerial destination is published. The original coordinate and its provenance remain in research history.", "county_display": "39159" } }, { "id": "aws-warner-road-jerome-township-oh", "state": "oh", "kind": "facility", "name": "AWS Warner Road Campus (Jerome Township)", "group": "unknown", "status": "Status unclear", "raw_status": "", "status_field": "", "crypto": false, "type": "Data center (inventory classification)", "counties": [ "Union" ], "city": "Plain City", "address": "", "who": "", "end_user": "", "mw": null, "power": "", "power_note": "", "investment": "", "jobs": "", "acres": null, "utility": "", "water": "", "incentives": "", "note": "Manual source context is available for this inherited inventory record. The inventory label and approximate geography are retained for discovery. This is not certification of current operation, ownership, a separate physical building, technical capacity or a precise parcel. Missing fields remain unknown. Union County Warner Road cadastral duplicates and historical improvements. 24joinedfeaturesand7distinctattributesnot24or7independentbuildings. Repeated215k-likeareas acrossyears may be same improvement; no summed area/count. YearBuiltassessmentnotfirst data service. Appraised value not actual investment or incentives. Geometry EPSG3857notlat/lon. No current operating status or ITMW. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building.", "date": "", "events": [], "timeline": [], "opened": "", "tier": "", "sources": [ { "url": "https://www7.co.union.oh.us/unioncountyohio/rest/services/ParcelAllSaleinfoBuildingInfo/MapServer/1/query?where=ParcelNo%3D'1500300200000'&outFields=ParcelNo,DeedOwner,Address,city,township,Acreage,classDescription,yearBuilt,TotalBuildingArea,AppraisedBuildValue&f=json", "host": "www7.co.union.oh.us", "date": "", "published": "", "checked": "2026-10-14", "date_kind": "publication date not established", "label": "Reviewed source" } ], "loc": { "lat": 40.27252, "lng": -83.36916, "precision": "county", "basis": "Shown at county level only. The dot is placed inside the county for the map and is not the site, its address or a parcel." }, "reviewed_evidence": [ { "overlay": "public-institution-review-round11-2026-10-14.json", "scope": "Union County Warner Road cadastral duplicates and historical improvements", "fields": { "agency": "Union County Ohio parcel service", "parcel": "1500300200000", "deed_owner_as_listed": "AMAZON DATA SERVICES INC", "situs_address": "8567 Warner Road", "postal_city": "Plain City", "township": "Jerome", "parcel_acres": 92.77, "returned_feature_rows": 24, "distinct_attribute_rows": 7, "assessment_build_years": [ 2023, 2024 ], "assessment_area_values_sqft_unique": [ 900, 13851, 156826, 214097, 214507 ] }, "notes": [ "24joinedfeaturesand7distinctattributesnot24or7independentbuildings. Repeated215k-likeareas acrossyears may be same improvement; no summed area/count. YearBuiltassessmentnotfirst data service. Appraised value not actual investment or incentives. Geometry EPSG3857notlat/lon. No current operating status or ITMW.", "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building." ], "sources": [ { "url": "https://www7.co.union.oh.us/unioncountyohio/rest/services/ParcelAllSaleinfoBuildingInfo/MapServer/1/query?where=ParcelNo%3D'1500300200000'&outFields=ParcelNo,DeedOwner,Address,city,township,Acreage,classDescription,yearBuilt,TotalBuildingArea,AppraisedBuildValue&f=json", "host": "www7.co.union.oh.us", "date": "", "published": "", "checked": "2026-10-14", "date_kind": "publication date not established", "label": "Reviewed source" } ], "whole_record_certified": false } ], "manual_source_reviewed": true, "whole_record_certified": false, "field_evidence_present": true, "inventory_label_retained": true, "precision_label": "Exact site not published; shown at county level", "summary": "Plain City · Union · Source context reviewed", "location_display": { "policy": "reviewed-map-references-2026-10-23", "decision": "withheld_unreviewed_point", "scope": "The available point evidence does not establish a supported site location. No site pin, nearby distance or aerial destination is published. The original coordinate and its provenance remain in research history.", "county_display": "39159" } } ], "compilation_license": "withheld_pending_owner_decision" }