dfr070 is a JSON Structure definition published by EPA — U.S. Environmental Protection Agency, describing 18 properties. 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-dfr070-structure.json",
"name": "dfr070",
"description": "Lead and Copper Rule Object",
"type": "object",
"properties": {
"CopperSamples": {
"type": "array",
"items": {
"$ref": "#/definitions/dfr071"
},
"example": [
"string"
]
},
"CuALE": {
"type": "string",
"description": "The count of occurrences when 90th percentile sample concentrations of copper exceeded the copper action level of 1.3 mg/L in the past five years.",
"example": "1.3 mg/L"
},
"CuALEUnits": {
"type": "string",
"description": "The copper action level exceedances measurement units.",
"example": "mg/L"
},
"CuALEValue": {
"type": "string",
"description": "The copper action level exceedance value.",
"example": "1.3"
},
"CuSampleDates": {
"type": "string",
"description": "The dates during which tap water samples were collected.",
"example": "2012-01-01 - 2014-12-31;"
},
"CuViol": {
"type": "string",
"description": "The number of copper violations in the last five years.",
"example": "2"
},
"LeadAndCopperViol": {
"type": "string",
"description": "The number of lead and copper violations.",
"example": "4"
},
"LeadCopperRuleHealthBasedViol": {
"type": "string",
"description": "The count of open health-based violations of the Lead and Copper Rule in the past five years.",
"example": "2"
},
"LeadSamples": {
"type": "array",
"items": {
"$ref": "#/definitions/dfr072"
},
"example": [
"string"
]
},
"PbALE": {
"type": "string",
"description": "The count of occurrences when 90th percentile sample concentrations of lead exceeded the lead action level of 0.015 mg/L in the past five years.",
"example": "0.015 mg/L"
},
"PbALEUnits": {
"type": "string",
"description": "The lead action level exceedance measurement units.",
"example": "mg/L"
},
"PbALEValue": {
"type": "string",
"description": "The lead action level exceedance sample value.",
"example": "0.015"
},
"PbSampleDates": {
"type": "string",
"description": "The dates during which tap water samples were collected.",
"example": "2012-01-01 - 2014-12-31;"
},
"PbViol": {
"type": "string",
"description": "The number of lead violations in the last five years.",
"example": "1"
},
"RuleCode350Viol": {
"type": "string",
"description": "The count of open health-based violations in the past five years. These include violations of maximum contaminant levels (MCLs), maximum residual disinfectant levels (MRDLs), or treatment technique (TT) rules.",
"example": "1"
},
"SourceID": {
"type": "string",
"description": "Unique Identifier assigned by EPA.",
"example": "ALR040033"
},
"iCU90": {
"type": "string",
"description": "The number of times samples have been collected for copper in the last five years.",
"example": "3"
},
"iPB90": {
"type": "string",
"description": "The number of times samples have been collected for lead in the last five years.",
"example": "2"
}
}
}