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diff --git a/reference_hawaii_gis_sources.md b/reference_hawaii_gis_sources.md new file mode 100644 index 0000000..df55da8 --- /dev/null +++ b/reference_hawaii_gis_sources.md @@ -0,0 +1,106 @@ +--- +name: hawaii-gis-sources +description: Verified ArcGIS REST API endpoints for Hawaii County public data dashboard at /workspace/hawaii +metadata: + node_type: memory + type: reference + originSessionId: 9b72719b-f22b-47bb-aabc-ac5449f58b43 +--- + +Two GIS servers with queryable public layers. All use ArcGIS REST API pattern: +`/MapServer/{layerID}/query?geometry=...&geometryType=esriGeometryEnvelope&inSR=4326&outSR=4326&outFields=*&f=geojson` + +## Server 1: geodata.hawaii.gov (State GIS) +Base: `https://geodata.hawaii.gov/arcgis/rest/services/{Service}/MapServer/{ID}` + +### Hazards +| Layer | Endpoint | Notes | +|---|---|---| +| Lava Flow Hazard Zones | Hazards/MapServer/3 | Hawaii County ONLY. hzone 1-9 (1=highest near vents) | +| Tsunami Evacuation Zones | Hazards/MapServer/2 | Statewide incl. Hawaii Island. Updated Nov 2025 | +| Hawaii County DFIRM (Flood) | Hazards/MapServer/14 | FEMA flood zones (AE, V, X etc). Updated Dec 2025 | +| Fire Risk Areas | Hazards/MapServer/7 | risk field: High/Medium/Low | +| Coastal Flood w/ 3.2ft SLR | Hazards/MapServer/21 | Hawaii Island only | + +### Infrastructure +| Layer | Endpoint | Notes | +|---|---|---| +| Public Schools | Infrastructure/MapServer/7 | Filter island=Hawaii | +| County Parks (Hawaii Co.) | Infrastructure/MapServer/17 | Hawaii County ONLY | +| Hospitals | Infrastructure/MapServer/5 | Statewide | +| Wastewater Treatment Plants | Infrastructure/MapServer/29 | Statewide | +| Onsite Sewage (Hawaii Island) | Infrastructure/MapServer/26 | Hawaii County ONLY | + +### Emergency +| Layer | Endpoint | +|---|---| +| Fire Stations | EmergMgmtPubSafety/MapServer/7 | +| EMS Stations | EmergMgmtPubSafety/MapServer/8 | +| Police Stations (Hawaii Island) | EmergMgmtPubSafety/MapServer/12 | + +### Land Use +| Layer | Endpoint | Notes | +|---|---|---| +| TMK Parcels (current) | ParcelsZoning/MapServer/5 | In use already | +| County Zoning | ParcelsZoning/MapServer/2 | Hawaii County ONLY | +| LUPAG | ParcelsZoning/MapServer/22 | Land Use Pattern Allocation Guide | +| Development Plan Areas | ParcelsZoning/MapServer/24 | Community plan boundaries | + +### Transportation +- Hawaii County Roads: Transportation/MapServer/6 (FULLNAME, CLASS, DISTRICT) +- Hawaii County Major Roads: Transportation/MapServer/8 + +### Climate/Sea Level Rise +- Sea Level Rise 3.2ft: Climate/MapServer (31 sub-layers at IDs 40+) +- Rain gauges, solar, wind data also available + +### Cultural/Historical +- Ahupuaa: HistoricCultural/MapServer/1 (traditional Hawaiian land divisions) +- Moku: HistoricCultural/MapServer/3 +- Na Ala Hele Trails: Terrestrial/MapServer/34 + +--- + +## Server 2: gis.hawaiicounty.gov (County GIS) +Base: `https://gis.hawaiicounty.gov/arcgis/rest/services/` + +### Planning Permits (all queryable, up to 5000 records) +Service: `Planning_Department_GIS_Public_Layers/MapServer` +- SMA Major Permits: Layer 93-94 (APPLICANT, HEARING_DA, TMK, STATUS) +- SMA Minor Permits: Layer 95-96 +- Use Permits: Layer 99-100 +- Variances: Layer 101-102 +- Ohana Permits: Layer 91-92 +- Special Permits: Layer 97-98 +- County Zoning (detailed): Layer 128 (ZONE, ORDINANCE, DATE_) + +### Wastewater/Sewer Infrastructure +Service: `Wastewater/Wastewater_Division_Public_Data/MapServer` +- Sewer Mains (polylines): Layer 3 +- Manholes: Layer 2 +- Treatment Plants & Pump Stations: Layer 5 +- Cesspools: Layer 8 +- Large Capacity Cesspools: Layer 7 + +### Traffic +- Traffic Signals: `Public_Works_Traffic/Traffic_Division_GIS_Signals_Public/MapServer/0` +- Street Lights: `Public_Works_Traffic/Traffic_Division_GIS_Street_Lights_Public/MapServer/0` + +### Geocoding +- Address search: `DIT/County_of_Hawaii_Address_Search_Service` (GeocodeServer) +- Parcel search by TMK: `DIT/County_of_Hawaii_Parcel_Search_Service` (GeocodeServer) + +--- + +## Building Permits — Key Limitation +Hawaii County uses Tyler Technologies EnerGov (EPIC system). **No public REST API for bulk building permit data.** +Planning permits (SMA, use, variance) ARE queryable via gis.hawaiicounty.gov above. + +## Token-Gated (not publicly accessible) +- Civil Defense data +- Real Property Tax (RPT) division data +- Long Range Planning (LRP) +- OHCD (housing) +- Broadband coverage layer exists but token-required +- Hele-On bus routes/stops (GTFS may be available separately) +- Water Supply DWS (dashboard only, no exposed feature service) |