{
"lid": "NBLP1",
"usgsId": "",
"reachId": "4481813",
"name": "Delaware River at Newbold Island (IN MLLW)",
"description": "",
"rfc": {
"abbreviation": "MARFC",
"name": "Middle Atlantic River Forecast Center"
},
"wfo": {
"abbreviation": "PHI",
"name": "Mount Holly"
},
"state": {
"abbreviation": "PA",
"name": "Pennsylvania"
},
"county": "Bucks",
"timeZone": "EST5EDT",
"latitude": 40.1367,
"longitude": -74.7517,
"pedts": {
"observed": "HMIRG",
"forecast": ""
},
"status": {
"observed": {
"primary": 2.47,
"primaryUnit": "ft",
"secondary": -999,
"secondaryUnit": "kcfs",
"floodCategory": "no_flooding",
"validTime": "2026-09-18T16:36:00Z"
},
"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": 12.2,
"flow": -9999
},
"moderate": {
"stage": 11.2,
"flow": -9999
},
"minor": {
"stage": 10.2,
"flow": -9999
},
"action": {
"stage": -9999,
"flow": -9999
}
},
"lro": null,
"crests": {
"historic": [
{
"occurredTime": "2021-09-01T00:00:00Z",
"stage": 13.22,
"flow": 0,
"preliminary": "R",
"olddatum": false
},
{
"occurredTime": "2024-01-10T00:00:00Z",
"stage": 12.64,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2005-04-04T00:00:00Z",
"stage": 12.62,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2011-04-17T00:00:00Z",
"stage": 12.5,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2006-06-29T00:00:00Z",
"stage": 12.5,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2014-05-01T00:00:00Z",
"stage": 12.26,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2012-10-30T00:00:00Z",
"stage": 12.24,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2012-12-21T00:00:00Z",
"stage": 12.13,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2011-09-09T00:00:00Z",
"stage": 12.08,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2004-09-19T00:00:00Z",
"stage": 12.01,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2011-08-28T00:00:00Z",
"stage": 11.99,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2021-10-29T00:00:00Z",
"stage": 11.78,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2023-12-18T00:00:00Z",
"stage": 11.74,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2011-09-29T00:00:00Z",
"stage": 11.71,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2024-03-10T00:00:00Z",
"stage": 11.5,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2007-04-19T00:00:00Z",
"stage": 11.43,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2020-08-04T00:00:00Z",
"stage": 11.4,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2022-12-23T00:00:00Z",
"stage": 11.39,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2018-11-26T00:00:00Z",
"stage": 11.39,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2018-04-16T00:00:00Z",
"stage": 11.37,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2024-04-04T00:00:00Z",
"stage": 11.26,
"flow": 0,
"preliminary": "O",
"olddatum": false
}
],
"recent": [
{
"occurredTime": "2024-04-04T00:00:00Z",
"stage": 11.26,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2024-03-10T00:00:00Z",
"stage": 11.5,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2024-01-10T00:00:00Z",
"stage": 12.64,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2023-12-18T00:00:00Z",
"stage": 11.74,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2022-12-23T00:00:00Z",
"stage": 11.39,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2021-10-29T00:00:00Z",
"stage": 11.78,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2021-09-01T00:00:00Z",
"stage": 13.22,
"flow": 0,
"preliminary": "R",
"olddatum": false
},
{
"occurredTime": "2020-08-04T00:00:00Z",
"stage": 11.4,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2018-11-26T00:00:00Z",
"stage": 11.39,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2018-04-16T00:00:00Z",
"stage": 11.37,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2014-05-01T00:00:00Z",
"stage": 12.26,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2012-12-21T00:00:00Z",
"stage": 12.13,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2012-10-30T00:00:00Z",
"stage": 12.24,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2011-09-29T00:00:00Z",
"stage": 11.71,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2011-09-09T00:00:00Z",
"stage": 12.08,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2011-08-28T00:00:00Z",
"stage": 11.99,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2011-04-17T00:00:00Z",
"stage": 12.5,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2007-04-19T00:00:00Z",
"stage": 11.43,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2006-06-29T00:00:00Z",
"stage": 12.5,
"flow": -9999,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2005-04-04T00:00:00Z",
"stage": 12.62,
"flow": 0,
"preliminary": "O",
"olddatum": false
},
{
"occurredTime": "2004-09-19T00:00:00Z",
"stage": 12.01,
"flow": -9999,
"preliminary": "O",
"olddatum": false
}
]
},
"lowWaters": {
"historic": []
},
"impacts": [
{
"stage": 13.22,
"statement": "(Mean Lower Low Water (MLLW)) The level reached on September 1, 2021 during Post Tropical Cyclone Ida."
},
{
"stage": 12.62,
"statement": "(MLLW) The level reached on April 4, 2005."
},
{
"stage": 12.5,
"statement": "(MLLW) The level reached on June 29, 2006 and on April 17, 2011."
},
{
"stage": 12.26,
"statement": "(MLLW) The level reached on May 1, 2014."
},
{
"stage": 12.24,
"statement": "(MLLW) The level reached on October 30, 2012 during Post Tropical Cyclone Sandy."
},
{
"stage": 12.2,
"statement": "(MLLW) MAJOR FLOODING. At this level, widespread roadway flooding begins near the river and its tidal tributaries in Mercer County, Burlington County and lower Bucks County. Vulnerable homes and businesses may be damaged as water levels rise further above this threshold. Numerous roads become impassable and some neighborhoods may be isolated. The flood waters become a danger to anyone who attempts to cross on foot or in a vehicle."
},
{
"stage": 11.2,
"statement": "(MLLW) MODERATE FLOODING. At this level, additional roadways near the river and its tidal tributaries in Mercer County, Burlington County and lower Bucks County begin to flood. Lives may be at risk when people put themselves in harm's way. Some damage to vulnerable structures may begin to occur. COASTAL FLOOD WARNING LEVEL."
},
{
"stage": 11,
"statement": "(MLLW) Flooding begins near the Trenton public boat ramp. Flooding begins in the Duck Island section of Hamilton Township."
},
{
"stage": 10.8,
"statement": "(MLLW) Flooding begins around Radcliffe Street and Mill Street in Bristol PA. Flooding begins along Tanner's Run near the intersection of US Route 130, Beverly Road and Devlin Avenue in Burlington Township NJ."
},
{
"stage": 10.6,
"statement": "(MLLW) Flooding begins along the riverfront in Burlington City NJ."
},
{
"stage": 10.5,
"statement": "(MLLW) COASTAL FLOOD ADVISORY LEVEL."
},
{
"stage": 10.4,
"statement": "(MLLW) Flooding begins near the mouth of the Neshaminy Creek in the Croydon section of Bristol Township including Sixth Avenue, River Road, Minot Avenue and Bank Street."
},
{
"stage": 10.2,
"statement": "(MLLW) MINOR FLOODING."
}
]
},
"images": {
"probability": {
"weekint": {
"stage": "",
"flow": "",
"volume": ""
},
"entperiod": {
"stage": "",
"flow": "",
"volume": ""
},
"shortrange": ""
},
"hydrograph": {
"default": "https://water.noaa.gov/resources/hydrographs/nblp1_hg.png",
"floodcat": "https://water.noaa.gov/resources/hydrographs/nblp1_record.png"
},
"photos": []
},
"dataAttribution": [
{
"abbrev": "NOAA National Ocean Service",
"text": "National Ocean and Coastal Agency",
"title": "NOAA National Ocean Service",
"url": "https://oceanservice.noaa.gov"
}
],
"impactsLowWaters": [],
"normalThreshold": {
"value": 0,
"units": "ft"
},
"hydronotes": [
{
"statement": "Please refer to our \r\n\r\nCoastal Hazard Message for specific information regarding Coastal Flood Watches, Warnings and Advisories. \r\nDuring tropical cyclones, please refer\r\nhere for additional storm surge information.",
"effective": "0101",
"expiration": "1231"
},
{
"statement": "Flood impacts are based on long-term averages. Actual impacts from any tidal flooding event may vary due to factors such as rainfall, wave action, and the number of tide cycles during which there is an onshore flow.",
"effective": "0101",
"expiration": "1231"
}
],
"datums": {
"vertical": {
"value": [
{
"label": "Mean Lower Low Water",
"abbrev": "MLLW*",
"description": "The average of the lower low water height of each tidal day observed over the National Tidal Datum Epoch. For stations with shorter series, comparison of simultaneous observations with a control tide station is made in order to derive the equivalent datum of the National Tidal Datum Epoch.",
"value": 0
},
{
"label": "Mean Low Water",
"abbrev": "MLW",
"description": "The average of all the low water heights observed over the National Tidal Datum Epoch. For stations with shorter series, comparison of simultaneous observations with a control tide station is made in order to derive the equivalent datum of the National Tidal Datum Epoch.",
"value": -0.198
},
{
"label": "Mean Sea Level",
"abbrev": "MSL",
"description": "The arithmetic mean of hourly heights observed over the National Tidal Datum Epoch. Shorter series are specified in the name; e.g. monthly mean sea level and yearly mean sea level.",
"value": -4.31
},
{
"label": "Mean High Water",
"abbrev": "MHW",
"description": "The average of all the high water heights observed over the National Tidal Datum Epoch. For stations with shorter series, comparison of simultaneous observations with a control tide station is made in order to derive the equivalent datum of the National Tidal Datum Epoch.",
"value": -8.045
},
{
"label": "Mean Higher High Water",
"abbrev": "MHHW*",
"description": "The average of the higher high water height of each tidal day observed over the National Tidal Datum Epoch. For stations with shorter series, comparison of simultaneous observations with a control tide station is made in order to derive the equivalent datum of the National Tidal Datum Epoch.",
"value": -8.393
},
{
"label": "North American Vertical Datum of 1988",
"abbrev": "NAVD88",
"description": "A fixed reference for elevations determined by geodetic leveling. The datum was derived from a general adjustment of the first-order terrestrial leveling nets of the United States, Canada, and Mexico. In the adjustment, only the height of the primary tidal bench mark, referenced to the International Great Lakes Datum of 1985 (IGLD 85) local mean sea level height value, at Father Point, Rimouski, Quebec, Canada was held fixed, thus providing minimum constraint. NAVD 88 and IGLD 85 are identical. However, NAVD 88 bench mark values are given in Helmert orthometric height units while IGLD 85 values are in dynamic heights. See International Great Lakes Datum of 1985, National Geodetic Vertical Datum of 1929, and geopotential difference. NAVD 88 should not be used as Mean Sea Level.",
"value": -3.78
}
]
},
"horizontal": {
"value": []
},
"notes": {
"value": []
}
},
"inundation": {
"enabled": false,
"url": "",
"zeroDatum": null,
"downloads": null,
"siteSpecificInfo": "",
"dataAttribution": []
},
"upstreamLid": "TREN4",
"downstreamLid": "BDRN4",
"inService": {
"enabled": true,
"message": ""
},
"lowThreshold": {
"units": "ft",
"value": -2
},
"forecastReliability": "Forecasts are not available. Only observed stages are available for this point.",
"TruncateObs": "-1",
"TruncateFcst": "3",
"ObservedFloodCategory": "no_flooding",
"ForecastFloodCategory": "fcst_not_current"
}