{
"lid": "RDLN4",
"usgsId": "01382800",
"reachId": "6249402",
"name": "Pequannock River at Riverdale",
"description": "",
"rfc": {
"abbreviation": "MARFC",
"name": "Middle Atlantic River Forecast Center"
},
"wfo": {
"abbreviation": "PHI",
"name": "Mount Holly"
},
"state": {
"abbreviation": "NJ",
"name": "New Jersey"
},
"county": "Morris",
"timeZone": "GMT0GMT",
"latitude": 40.998611111111,
"longitude": -74.298055555556,
"pedts": {
"observed": "HGIRG",
"forecast": "HGIFF"
},
"status": {
"observed": {
"primary": 2.48,
"primaryUnit": "ft",
"secondary": -999,
"secondaryUnit": "kcfs",
"floodCategory": "no_flooding",
"validTime": "2026-04-05T21:30:00Z"
},
"forecast": {
"primary": -999,
"primaryUnit": "",
"secondary": -999,
"secondaryUnit": "",
"floodCategory": "fcst_not_current",
"validTime": "0001-01-01T00:00:00Z"
}
},
"flood": {
"stageUnits": "ft",
"flowUnits": "cfs",
"categories": {
"major": {
"stage": 11,
"flow": -9999
},
"moderate": {
"stage": 10,
"flow": -9999
},
"minor": {
"stage": 8,
"flow": -9999
},
"action": {
"stage": 7,
"flow": -9999
}
},
"lro": null,
"crests": {
"historic": [
{
"occurredTime": "1984-04-05T00:00:00Z",
"stage": 13.6,
"flow": 8000,
"preliminary": "R",
"olddatum": false
},
{
"occurredTime": "2011-08-28T11:00:00Z",
"stage": 12.57,
"flow": 6900,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2023-12-18T13:30:00Z",
"stage": 9.74,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "1996-01-27T00:00:00Z",
"stage": 9.36,
"flow": 5570,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2021-09-02T05:00:00Z",
"stage": 8.99,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2024-01-10T09:00:00Z",
"stage": 8.55,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "1996-10-20T00:00:00Z",
"stage": 8.43,
"flow": 4730,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2016-07-31T00:00:00Z",
"stage": 7.44,
"flow": 2060,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "1981-05-12T00:00:00Z",
"stage": 6.49,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "1994-03-29T00:00:00Z",
"stage": 6.08,
"flow": 1650,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "1995-03-09T00:00:00Z",
"stage": 5.93,
"flow": 1470,
"preliminary": "O",
"olddatum": false
}
],
"recent": [
{
"occurredTime": "2024-01-10T09:00:00Z",
"stage": 8.55,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2023-12-18T13:30:00Z",
"stage": 9.74,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2021-09-02T05:00:00Z",
"stage": 8.99,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2016-07-31T00:00:00Z",
"stage": 7.44,
"flow": 2060,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2011-08-28T11:00:00Z",
"stage": 12.57,
"flow": 6900,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "1996-10-20T00:00:00Z",
"stage": 8.43,
"flow": 4730,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "1996-01-27T00:00:00Z",
"stage": 9.36,
"flow": 5570,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "1995-03-09T00:00:00Z",
"stage": 5.93,
"flow": 1470,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "1994-03-29T00:00:00Z",
"stage": 6.08,
"flow": 1650,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "1984-04-05T00:00:00Z",
"stage": 13.6,
"flow": 8000,
"preliminary": "R",
"olddatum": false
},
{
"occurredTime": "1981-05-12T00:00:00Z",
"stage": 6.49,
"flow": 0,
"preliminary": "O",
"olddatum": false
}
]
},
"lowWaters": {
"historic": []
},
"impacts": [
{
"stage": 12,
"statement": "Riverview Terrace in Riverdale floods. Houses take on water."
},
{
"stage": 11,
"statement": "Main Street, Van Dam Avenue, and Hamilton Street in Bloomingdale flood. Houses on Garden Avenue in Riverdale begin to flood."
},
{
"stage": 10,
"statement": "Brandt Lane in Bloomingdale floods in several spots and becomes impassable."
},
{
"stage": 9,
"statement": "Additional businesses along Main Street in Bloomingdale take on water."
},
{
"stage": 8,
"statement": "Business along Main Street in Bloomingdale, closest to the river, begin to flood. Brandt Lane in Bloomingdale begins to flood."
}
]
},
"images": {
"probability": {
"weekint": {
"stage": "",
"flow": "",
"volume": ""
},
"entperiod": {
"stage": "",
"flow": "",
"volume": ""
},
"shortrange": ""
},
"hydrograph": {
"default": "https://water.noaa.gov/resources/hydrographs/rdln4_hg.png",
"floodcat": "https://water.noaa.gov/resources/hydrographs/rdln4_record.png"
},
"photos": []
},
"dataAttribution": [
{
"abbrev": "US Geological Survey",
"text": "USGS--Water Resources of the United States",
"title": "US Geological Survey",
"url": "https://waterdata.usgs.gov/nwis"
},
{
"abbrev": "USGS",
"text": "01382800",
"title": "Observations courtesy of U.S. Geological Survey",
"url": "https://waterdata.usgs.gov/nwis/inventory/?site_no=01382800"
}
],
"impactsLowWaters": [],
"normalThreshold": null,
"hydronotes": [
{
"statement": "Forecast and inundation mapping services for the Riverdale gage area are provided by the Macopin gage information.",
"effective": "0101",
"expiration": "1231"
}
],
"datums": {
"vertical": {
"value": []
},
"horizontal": {
"value": []
},
"notes": {
"value": []
}
},
"inundation": {
"enabled": false,
"url": "",
"zeroDatum": null,
"downloads": null,
"siteSpecificInfo": "",
"dataAttribution": []
},
"upstreamLid": "MCPN4",
"downstreamLid": "",
"inService": {
"enabled": true,
"message": ""
},
"lowThreshold": null,
"forecastReliability": "Forecasts are not available. Only observed stages are available for this point.",
"TruncateObs": "-1",
"TruncateFcst": "7",
"ObservedFloodCategory": "no_flooding",
"ForecastFloodCategory": "fcst_not_current"
}