{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/us-army-corps-of-engineers/refs/heads/main/json-schema/usace-location-schema.json",
  "title": "USACE CWMS Location",
  "description": "Schema for a CWMS monitored location (stream gage, reservoir, weather station)",
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "Location identifier",
      "example": "TULSA"
    },
    "latitude": {
      "type": "number",
      "format": "double",
      "description": "WGS84 latitude in decimal degrees"
    },
    "longitude": {
      "type": "number",
      "format": "double",
      "description": "WGS84 longitude in decimal degrees"
    },
    "elevation": {
      "type": ["number", "null"],
      "description": "Location elevation (unit depends on unit parameter)"
    },
    "vertical-datum": {
      "type": "string",
      "enum": ["NGVD29", "NAVD88", "LOCAL"],
      "description": "Vertical datum for elevation"
    },
    "horizontal-datum": {
      "type": "string",
      "description": "Horizontal datum for coordinates",
      "example": "WGS84"
    },
    "public-name": {
      "type": ["string", "null"],
      "description": "Public display name for the location"
    },
    "long-name": {
      "type": ["string", "null"],
      "description": "Full descriptive name"
    },
    "description": {
      "type": ["string", "null"],
      "description": "Additional description"
    },
    "kind": {
      "type": "string",
      "description": "Location kind",
      "enum": ["SITE", "STREAM", "STREAM_LOCATION", "RESERVOIR", "BASIN", "WEATHER_STATION", "LOCK"]
    },
    "type": {
      "type": ["string", "null"],
      "description": "Location type classification"
    },
    "time-zone-name": {
      "type": "string",
      "description": "IANA time zone identifier",
      "example": "US/Central"
    },
    "county-name": {
      "type": ["string", "null"],
      "description": "County name where location resides"
    },
    "state-initial": {
      "type": "string",
      "description": "Two-letter state abbreviation",
      "example": "OK"
    },
    "active": {
      "type": "boolean",
      "description": "Whether the location is actively monitored"
    },
    "office-id": {
      "type": "string",
      "description": "USACE district office that owns this location"
    }
  },
  "required": ["name", "latitude", "longitude", "active", "office-id"]
}