dfr111_Details.Sources is a JSON Structure definition published by EPA — U.S. Environmental Protection Agency, describing 16 properties, of which 16 are required. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.
{
"$schema": "https://json-structure.org/meta/core/v0/#",
"$id": "https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/echo-dfr-dfr111-details.sources-structure.json",
"name": "dfr111_Details.Sources",
"description": "Sources Object",
"type": "object",
"properties": {
"AssessedOr303dFlg": {
"type": "string",
"description": "Denotes facilities that discharge into an impaired water body for which a plan has not yet been developed (category 5 water body) and facilities that discharge to an impaired water body for which the state has developed a plan to return the water to its designated uses under the Total Maximum Daily Loads (TMDL) program (category 4 water body).",
"example": "305(b)"
},
"AssessmentUnitEPACategory": {
"type": "string",
"description": "The water quality category under which the water body\ufffdor water segment is classified.\ufffdAdditional information: https://www.epa.gov/wqs-tech/supplemental-module-listing-impaired-waters-and-developing-tmdls",
"example": "string"
},
"AttainsAquaticLifeUseFlg": {
"type": "string",
"description": "Displays \"Y\" if the waterbody in which the facility resides is designated for aquatic life use. The data are from the ATTAINS database.",
"example": "Y"
},
"AttainsCauseGroups": {
"type": "string",
"description": "Lists all groups of pollutants or stressors that are causing impairment in the assessed waterbody. The data are from the ATTAINS database.",
"example": "POLYCHLORINATED BIPHENYLS (PCBS) | TOXIC ORGANICS"
},
"AttainsExceptnlUseFlg": {
"type": "string",
"description": "Displays \"Y\" if the waterbody in which the facility resides is designated for exceptional use. The data are from the ATTAINS database.",
"example": "Y"
},
"AttainsPossiblePollutants": {
"type": "string",
"description": "Lists all groups of pollutants or stressors that are causing impairment in the assessed waterbody, as indicated in ATTAINS.",
"example": "Aluminum, total recoverable | Coliform, fecal general | Copper, total [as Cu] | Copper, total recoverable | Iron, total [as Fe] | Iron, total recoverable | Lead, total recoverable"
},
"AttainsRecreationUseFlg": {
"type": "string",
"description": "Displays \"Y\" if the waterbody in which the facility resides is designated for recreational use. The data are from the ATTAINS database.",
"example": "Y"
},
"AttainsShelffishUseFlg": {
"type": "string",
"description": "Indicates if the waterbody in which the facility resides is designated for shellfish use.",
"example": "Y"
},
"AttainsStateCauses": {
"type": "string",
"description": "Lists all pollutants or stressors that are causing impairment in the assessed waterbody. The data are from the ATTAINS database.",
"example": "PH | POLYCHLORINATED BIPHENYLS (PCBS)"
},
"CycleYear": {
"type": "string",
"description": "The Assessment, Total Maximum Daily Load (TMDL) Tracking and Implementation System (ATTAINS) reporting year.",
"example": "2012"
},
"GNISName": {
"type": "string",
"description": "The name of the waterbody in which the facility is located near or is permitted to discharge directly.",
"example": "Sugarcamp Run"
},
"ImpairedWatersFlg": {
"type": "string",
"description": "Indicates if the facility is porentially discharging to impaired waters.",
"example": "Y"
},
"ReachCode": {
"type": "string",
"description": "A nationally unique and permanent 14-digit identifier for the waterbody, assigned by the U.S. Geological Survey.",
"example": "\"05030201000270\""
},
"SourceID": {
"type": "string",
"description": "Unique Identifier assigned by EPA.",
"example": "ALR040033"
},
"WBD12": {
"type": "string",
"description": "The 12-digit Hydrologic Unit Code (HUC) of the watershed in which the facility resides, based on the USGS Watershed Boundary Dataset (WBD).",
"example": "050302011006"
},
"WBD12Name": {
"type": "string",
"description": "The name of the watershed in which the facility resides.",
"example": "Mill Creek-Ohio River"
}
},
"required": [
"SourceID",
"CycleYear",
"GNISName",
"ReachCode",
"WBD12",
"WBD12Name",
"AssessedOr303dFlg",
"ImpairedWatersFlg",
"AssessmentUnitEPACategory",
"AttainsAquaticLifeUseFlg",
"AttainsExceptnlUseFlg",
"AttainsRecreationUseFlg",
"AttainsShelffishUseFlg",
"AttainsStateCauses",
"AttainsCauseGroups",
"AttainsPossiblePollutants"
]
}