EPA — U.S. Environmental Protection Agency · Schema

navigated_flowline_properties

navigated_flowline_properties schema from CIP-service Indexing API

GovernmentEnvironmentalOpenDataAirQualityWaterQualityHazardousWasteComplianceEmissions

Properties

Name	Type	Description
nhdplusid	object
hydroseq	object
fmeasure	object	NHD flowline from measure.
tmeasure	object	NHD flowline to measure.
levelpathi	integer	NHDPlus int64 level path identifier.
terminalpa	integer	NHDPlus int64 terminal path identifier.
uphydroseq	integer	NHDPlus int64 upstream flowline hydro sequence identifier.
dnhydroseq	integer	NHDPlus int64 downstream flowline hydro sequence identifier.
lengthkm	number	length of the navigated flowline in kilometers.
flowtimeday	number	flow time in days of the navigated flowline.
network_distancekm	number	total length from start to the navigated flowline in kilometers.
network_flowtimeday	number	total flow time in days from start to the navigated flowline.
permanent_identifier	stringnull	NHD permanent identifier of the navigated flowline.
reachcode	object	NHD reach code of the navigated flowline
fcode	integer	NHD feature type code of the navigated flowline.
gnis_id	string	NHD GNIS identifier of the navigated flowline.
gnis_name	string	NHD GNIS name of the navigated flowline.
wbarea_permanent_identifier	string	NHD permanent identifier of the NHD waterbody feature associated with a flowline artificial path.
navtermination_flag	integer	Integer code providing information about the navigated flowline within the context of the navigation. Valid codes are: 0. no termination 1. full termination 2. partial termination 3. coastal terminati
nav_order	integer	rough ordering key placing flowlines in navigated order

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/cip-service-navigated-flowline-properties-schema.json",
  "title": "navigated_flowline_properties",
  "description": "navigated_flowline_properties schema from CIP-service Indexing API",
  "type": "object",
  "properties": {
    "nhdplusid": {
      "$ref": "#/components/schemas/nhdplusid"
    },
    "hydroseq": {
      "$ref": "#/components/schemas/hydroseq"
    },
    "fmeasure": {
      "description": "NHD flowline from measure.",
      "$ref": "#/components/schemas/measure"
    },
    "tmeasure": {
      "description": "NHD flowline to measure.",
      "$ref": "#/components/schemas/measure"
    },
    "levelpathi": {
      "description": "NHDPlus int64 level path identifier.",
      "type": "integer",
      "format": "int64",
      "example": 0
    },
    "terminalpa": {
      "description": "NHDPlus int64 terminal path identifier.",
      "type": "integer",
      "format": "int64",
      "example": 0
    },
    "uphydroseq": {
      "description": "NHDPlus int64 upstream flowline hydro sequence identifier.",
      "type": "integer",
      "format": "int64",
      "example": 0
    },
    "dnhydroseq": {
      "description": "NHDPlus int64 downstream flowline hydro sequence identifier.",
      "type": "integer",
      "format": "int64",
      "example": 0
    },
    "lengthkm": {
      "description": "length of the navigated flowline in kilometers.",
      "type": "number",
      "example": 0.0
    },
    "flowtimeday": {
      "description": "flow time in days of the navigated flowline.",
      "type": "number",
      "example": 0.0
    },
    "network_distancekm": {
      "description": "total length from start to the navigated flowline in kilometers.",
      "type": "number",
      "example": 0.0
    },
    "network_flowtimeday": {
      "description": "total flow time in days from start to the navigated flowline.",
      "type": "number",
      "example": 0.0
    },
    "permanent_identifier": {
      "description": "NHD permanent identifier of the navigated flowline.",
      "type": [
        "string",
        "null"
      ],
      "example": "12345"
    },
    "reachcode": {
      "description": "NHD reach code of the navigated flowline",
      "$ref": "#/components/schemas/reachcode"
    },
    "fcode": {
      "description": "NHD feature type code of the navigated flowline.",
      "type": "integer",
      "format": "int32",
      "example": 0
    },
    "gnis_id": {
      "description": "NHD GNIS identifier of the navigated flowline.",
      "type": "string",
      "example": "12345"
    },
    "gnis_name": {
      "description": "NHD GNIS name of the navigated flowline.",
      "type": "string",
      "example": "EPA Facility"
    },
    "wbarea_permanent_identifier": {
      "description": "NHD permanent identifier of the NHD waterbody feature associated with a flowline artificial path.",
      "type": "string",
      "example": "12345"
    },
    "navtermination_flag": {
      "description": "Integer code providing information about the navigated flowline within the context of the navigation. Valid codes are: 0. no termination 1. full termination 2. partial termination 3. coastal termination 4. headwater termination 5. network end termination (non-coastal)\n",
      "type": "integer",
      "format": "int32",
      "enum": [
        0,
        1,
        2,
        3,
        4,
        5
      ],
      "example": 0
    },
    "nav_order": {
      "description": "rough ordering key placing flowlines in navigated order",
      "type": "integer",
      "format": "int32",
      "example": 0
    }
  }
}