{ "lid": "PNTI2", "usgsId": "05554500", "reachId": "13618713", "name": "Vermilion River at Pontiac", "description": "", "rfc": { "abbreviation": "NCRFC", "name": "North Central River Forecast Center" }, "wfo": { "abbreviation": "LOT", "name": "Romeoville" }, "state": { "abbreviation": "IL", "name": "Illinois" }, "county": "Livingston", "timeZone": "CST6CDT", "latitude": 40.877833, "longitude": -88.636, "pedts": { "observed": "HGIRG", "forecast": "HGIFF" }, "status": { "observed": { "primary": 2.83, "primaryUnit": "ft", "secondary": 0.0297, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-11-14T06:45:00Z" }, "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": 18, "flow": -9999 }, "moderate": { "stage": 15, "flow": -9999 }, "minor": { "stage": 14, "flow": -9999 }, "action": { "stage": 13, "flow": -9999 } }, "lro": { "minorCS": "0.09", "moderateCS": "0.09", "majorCS": "< 0.05", "producedTime": "2026-10-23T02:02:14Z", "interval": "NDJ" }, "crests": { "historic": [ { "occurredTime": "2008-01-09T00:00:00Z", "stage": 19.18, "flow": 13200, "preliminary": "R", "olddatum": false }, { "occurredTime": "1982-12-04T00:00:00Z", "stage": 19.16, "flow": 13100, "preliminary": "O", "olddatum": false }, { "occurredTime": "1980-06-03T00:00:00Z", "stage": 18.12, "flow": 11300, "preliminary": "O", "olddatum": false }, { "occurredTime": "1951-07-10T00:00:00Z", "stage": 17.9, "flow": 11000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1970-05-14T00:00:00Z", "stage": 17.46, "flow": 10300, "preliminary": "O", "olddatum": false }, { "occurredTime": "2015-12-29T00:00:00Z", "stage": 17.27, "flow": 11200, "preliminary": "O", "olddatum": false }, { "occurredTime": "2005-01-14T00:00:00Z", "stage": 17.23, "flow": 10900, "preliminary": "O", "olddatum": false }, { "occurredTime": "1957-04-28T00:00:00Z", "stage": 17.2, "flow": 9970, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-05-02T00:00:00Z", "stage": 17.16, "flow": 11100, "preliminary": "O", "olddatum": false }, { "occurredTime": "1933-05-01T00:00:00Z", "stage": 17, "flow": 11000, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-05-19T00:00:00Z", "stage": 16.66, "flow": 9880, "preliminary": "O", "olddatum": false }, { "occurredTime": "1990-03-12T00:00:00Z", "stage": 16.64, "flow": 9340, "preliminary": "O", "olddatum": false }, { "occurredTime": "2002-05-13T00:00:00Z", "stage": 16.35, "flow": 9930, "preliminary": "O", "olddatum": false }, { "occurredTime": "1979-03-05T00:00:00Z", "stage": 16.27, "flow": 7970, "preliminary": "O", "olddatum": false }, { "occurredTime": "1993-01-05T00:00:00Z", "stage": 16.21, "flow": 9390, "preliminary": "O", "olddatum": false }, { "occurredTime": "1998-05-08T00:00:00Z", "stage": 16.19, "flow": 8940, "preliminary": "O", "olddatum": false }, { "occurredTime": "1985-02-24T00:00:00Z", "stage": 16.07, "flow": 8770, "preliminary": "O", "olddatum": false }, { "occurredTime": "1993-10-18T00:00:00Z", "stage": 15.98, "flow": 9130, "preliminary": "O", "olddatum": false }, { "occurredTime": "1943-08-05T00:00:00Z", "stage": 15.9, "flow": 8170, "preliminary": "O", "olddatum": false }, { "occurredTime": "1958-07-15T00:00:00Z", "stage": 15.84, "flow": 8670, "preliminary": "O", "olddatum": false }, { "occurredTime": "1996-05-29T00:00:00Z", "stage": 15.71, "flow": 8340, "preliminary": "O", "olddatum": false }, { "occurredTime": "1965-05-05T00:00:00Z", "stage": 15.7, "flow": 8340, "preliminary": "O", "olddatum": false }, { "occurredTime": "1986-10-04T00:00:00Z", "stage": 15.69, "flow": 8330, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-02-22T00:00:00Z", "stage": 15.68, "flow": 9560, "preliminary": "O", "olddatum": false }, { "occurredTime": "1990-12-30T00:00:00Z", "stage": 15.62, "flow": 8230, "preliminary": "O", "olddatum": false }, { "occurredTime": "1968-06-26T00:00:00Z", "stage": 15.56, "flow": 8170, "preliminary": "O", "olddatum": false }, { "occurredTime": "1985-11-20T00:00:00Z", "stage": 15.48, "flow": 8080, "preliminary": "O", "olddatum": false }, { "occurredTime": "1944-04-24T00:00:00Z", "stage": 15.45, "flow": 7770, "preliminary": "O", "olddatum": false }, { "occurredTime": "1982-02-22T00:00:00Z", "stage": 15.15, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-06-01T00:00:00Z", "stage": 15.04, "flow": 8540, "preliminary": "O", "olddatum": false }, { "occurredTime": "2001-06-07T00:00:00Z", "stage": 14.94, "flow": 8440, "preliminary": "O", "olddatum": false }, { "occurredTime": "1982-04-10T00:00:00Z", "stage": 14.88, "flow": 7500, "preliminary": "O", "olddatum": false }, { "occurredTime": "2009-12-31T00:00:00Z", "stage": 14.83, "flow": 8330, "preliminary": "O", "olddatum": false }, { "occurredTime": "2009-10-31T00:00:00Z", "stage": 14.83, "flow": 8330, "preliminary": "O", "olddatum": false }, { "occurredTime": "2015-07-12T00:00:00Z", "stage": 14.59, "flow": 8090, "preliminary": "O", "olddatum": false }, { "occurredTime": "1981-05-15T00:00:00Z", "stage": 14.36, "flow": 7080, "preliminary": "O", "olddatum": false }, { "occurredTime": "1972-12-31T00:00:00Z", "stage": 14.35, "flow": 7350, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-04-19T00:00:00Z", "stage": 14.26, "flow": 7760, "preliminary": "O", "olddatum": false }, { "occurredTime": "1995-05-25T00:00:00Z", "stage": 14.14, "flow": 6920, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-05-02T00:00:00Z", "stage": 14.1, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-04-30T00:00:00Z", "stage": 13.92, "flow": 7380, "preliminary": "O", "olddatum": false }, { "occurredTime": "1974-06-23T00:00:00Z", "stage": 13.88, "flow": 6900, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-06-22T00:00:00Z", "stage": 13.87, "flow": 7840, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-01-12T00:00:00Z", "stage": 13.8, "flow": 7770, "preliminary": "O", "olddatum": false }, { "occurredTime": "1976-03-06T00:00:00Z", "stage": 13.66, "flow": 6810, "preliminary": "O", "olddatum": false }, { "occurredTime": "1962-03-21T00:00:00Z", "stage": 13.37, "flow": 6460, "preliminary": "O", "olddatum": false }, { "occurredTime": "1999-04-17T00:00:00Z", "stage": 13.35, "flow": 6870, "preliminary": "O", "olddatum": false }, { "occurredTime": "1959-02-11T00:00:00Z", "stage": 13, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1950-04-26T00:00:00Z", "stage": 12.92, "flow": 6120, "preliminary": "O", "olddatum": false }, { "occurredTime": "1975-01-11T00:00:00Z", "stage": 12.9, "flow": 6160, "preliminary": "O", "olddatum": false }, { "occurredTime": "1959-04-28T00:00:00Z", "stage": 12.54, "flow": 5820, "preliminary": "O", "olddatum": false }, { "occurredTime": "2014-02-22T00:00:00Z", "stage": 12.51, "flow": 6090, "preliminary": "O", "olddatum": false }, { "occurredTime": "2006-04-18T00:00:00Z", "stage": 12.51, "flow": 6090, "preliminary": "O", "olddatum": false }, { "occurredTime": "1989-09-10T00:00:00Z", "stage": 12.29, "flow": 5580, "preliminary": "O", "olddatum": false }, { "occurredTime": "2011-04-23T00:00:00Z", "stage": 12.02, "flow": 5650, "preliminary": "O", "olddatum": false } ], "recent": [ { "occurredTime": "2020-05-19T00:00:00Z", "stage": 16.66, "flow": 9880, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-04-30T00:00:00Z", "stage": 13.92, "flow": 7380, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-01-12T00:00:00Z", "stage": 13.8, "flow": 7770, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-05-02T00:00:00Z", "stage": 17.16, "flow": 11100, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-06-22T00:00:00Z", "stage": 13.87, "flow": 7840, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-02-22T00:00:00Z", "stage": 15.68, "flow": 9560, "preliminary": "O", "olddatum": false }, { "occurredTime": "2015-12-29T00:00:00Z", "stage": 17.27, "flow": 11200, "preliminary": "O", "olddatum": false }, { "occurredTime": "2015-07-12T00:00:00Z", "stage": 14.59, "flow": 8090, "preliminary": "O", "olddatum": false }, { "occurredTime": "2014-02-22T00:00:00Z", "stage": 12.51, "flow": 6090, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-06-01T00:00:00Z", "stage": 15.04, "flow": 8540, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-04-19T00:00:00Z", "stage": 14.26, "flow": 7760, "preliminary": "O", "olddatum": false }, { "occurredTime": "2011-04-23T00:00:00Z", "stage": 12.02, "flow": 5650, "preliminary": "O", "olddatum": false }, { "occurredTime": "2009-12-31T00:00:00Z", "stage": 14.83, "flow": 8330, "preliminary": "O", "olddatum": false }, { "occurredTime": "2009-10-31T00:00:00Z", "stage": 14.83, "flow": 8330, "preliminary": "O", "olddatum": false }, { "occurredTime": "2008-01-09T00:00:00Z", "stage": 19.18, "flow": 13200, "preliminary": "R", "olddatum": false }, { "occurredTime": "2006-04-18T00:00:00Z", "stage": 12.51, "flow": 6090, "preliminary": "O", "olddatum": false }, { "occurredTime": "2005-01-14T00:00:00Z", "stage": 17.23, "flow": 10900, "preliminary": "O", "olddatum": false }, { "occurredTime": "2002-05-13T00:00:00Z", "stage": 16.35, "flow": 9930, "preliminary": "O", "olddatum": false }, { "occurredTime": "2001-06-07T00:00:00Z", "stage": 14.94, "flow": 8440, "preliminary": "O", "olddatum": false }, { "occurredTime": "1999-04-17T00:00:00Z", "stage": 13.35, "flow": 6870, "preliminary": "O", "olddatum": false }, { "occurredTime": "1998-05-08T00:00:00Z", "stage": 16.19, "flow": 8940, "preliminary": "O", "olddatum": false }, { "occurredTime": "1996-05-29T00:00:00Z", "stage": 15.71, "flow": 8340, "preliminary": "O", "olddatum": false }, { "occurredTime": "1995-05-25T00:00:00Z", "stage": 14.14, "flow": 6920, "preliminary": "O", "olddatum": false }, { "occurredTime": "1993-10-18T00:00:00Z", "stage": 15.98, "flow": 9130, "preliminary": "O", "olddatum": false }, { "occurredTime": "1993-01-05T00:00:00Z", "stage": 16.21, "flow": 9390, "preliminary": "O", "olddatum": false }, { "occurredTime": "1990-12-30T00:00:00Z", "stage": 15.62, "flow": 8230, "preliminary": "O", "olddatum": false }, { "occurredTime": "1990-03-12T00:00:00Z", "stage": 16.64, "flow": 9340, "preliminary": "O", "olddatum": false }, { "occurredTime": "1989-09-10T00:00:00Z", "stage": 12.29, "flow": 5580, "preliminary": "O", "olddatum": false }, { "occurredTime": "1986-10-04T00:00:00Z", "stage": 15.69, "flow": 8330, "preliminary": "O", "olddatum": false }, { "occurredTime": "1985-11-20T00:00:00Z", "stage": 15.48, "flow": 8080, "preliminary": "O", "olddatum": false }, { "occurredTime": "1985-02-24T00:00:00Z", "stage": 16.07, "flow": 8770, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-05-02T00:00:00Z", "stage": 14.1, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1982-12-04T00:00:00Z", "stage": 19.16, "flow": 13100, "preliminary": "O", "olddatum": false }, { "occurredTime": "1982-04-10T00:00:00Z", "stage": 14.88, "flow": 7500, "preliminary": "O", "olddatum": false }, { "occurredTime": "1982-02-22T00:00:00Z", "stage": 15.15, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1981-05-15T00:00:00Z", "stage": 14.36, "flow": 7080, "preliminary": "O", "olddatum": false }, { "occurredTime": "1980-06-03T00:00:00Z", "stage": 18.12, "flow": 11300, "preliminary": "O", "olddatum": false }, { "occurredTime": "1979-03-05T00:00:00Z", "stage": 16.27, "flow": 7970, "preliminary": "O", "olddatum": false }, { "occurredTime": "1976-03-06T00:00:00Z", "stage": 13.66, "flow": 6810, "preliminary": "O", "olddatum": false }, { "occurredTime": "1975-01-11T00:00:00Z", "stage": 12.9, "flow": 6160, "preliminary": "O", "olddatum": false }, { "occurredTime": "1974-06-23T00:00:00Z", "stage": 13.88, "flow": 6900, "preliminary": "O", "olddatum": false }, { "occurredTime": "1972-12-31T00:00:00Z", "stage": 14.35, "flow": 7350, "preliminary": "O", "olddatum": false }, { "occurredTime": "1970-05-14T00:00:00Z", "stage": 17.46, "flow": 10300, "preliminary": "O", "olddatum": false }, { "occurredTime": "1968-06-26T00:00:00Z", "stage": 15.56, "flow": 8170, "preliminary": "O", "olddatum": false }, { "occurredTime": "1965-05-05T00:00:00Z", "stage": 15.7, "flow": 8340, "preliminary": "O", "olddatum": false }, { "occurredTime": "1962-03-21T00:00:00Z", "stage": 13.37, "flow": 6460, "preliminary": "O", "olddatum": false }, { "occurredTime": "1959-04-28T00:00:00Z", "stage": 12.54, "flow": 5820, "preliminary": "O", "olddatum": false }, { "occurredTime": "1959-02-11T00:00:00Z", "stage": 13, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1958-07-15T00:00:00Z", "stage": 15.84, "flow": 8670, "preliminary": "O", "olddatum": false }, { "occurredTime": "1957-04-28T00:00:00Z", "stage": 17.2, "flow": 9970, "preliminary": "O", "olddatum": false }, { "occurredTime": "1951-07-10T00:00:00Z", "stage": 17.9, "flow": 11000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1950-04-26T00:00:00Z", "stage": 12.92, "flow": 6120, "preliminary": "O", "olddatum": false }, { "occurredTime": "1944-04-24T00:00:00Z", "stage": 15.45, "flow": 7770, "preliminary": "O", "olddatum": false }, { "occurredTime": "1943-08-05T00:00:00Z", "stage": 15.9, "flow": 8170, "preliminary": "O", "olddatum": false }, { "occurredTime": "1933-05-01T00:00:00Z", "stage": 17, "flow": 11000, "preliminary": "O", "olddatum": false } ] }, "lowWaters": { "historic": [] }, "impacts": [ { "stage": 22, "statement": "Pontiac water treatment plant is threatened. IL-116 is threatened at the river in Pontiac." }, { "stage": 21, "statement": "Widespread inundation of the floodplain south of downtown Pontiac floods reaches up to 5 blocks from the river." }, { "stage": 20, "statement": "Lincoln Elementary School is threatened in Pontiac." }, { "stage": 19, "statement": "Numerous residences threatened along Water Street north of the river in Pontiac. Widespread inundation of the floodplain south of downtown Pontiac reaches up to 2 blocks from the river. Residences along Mockingbird Lane and Meadowlark Drive are threatened in Fairway View west of Pontiac. Utility structures are threatened in Pontiac. Livingston County 4-H Park is threatened northwest of Pontiac." }, { "stage": 18.5, "statement": "Mockingbird Lane and Meadowlark Drive are threatened in Fairway View west of Pontiac." }, { "stage": 18, "statement": "IL-116 is threatened east of Pontiac. Inundation of Humiston-Riverside Park reaches Water Street north of the river in Pontiac." }, { "stage": 17, "statement": "Numerous residences threatened along Grove Street south of the river in Pontiac. Washington Elementary School is threatened in Pontiac." }, { "stage": 16.5, "statement": "Low-lying residences threatened along the river between Mill Street and Chataqua Park. Low-lying sections of Southside Cemetery are inundated in Pontiac." }, { "stage": 15, "statement": "Low-lying sections of Pontiac Golf Course are inundated." }, { "stage": 14, "statement": "Widespread areas of Chatauqua Park are inundated in Pontiac." }, { "stage": 13, "statement": "Park Street is threatened in Pontiac. Low-lying sections of Chautauqua Park are inundated in Pontiac." }, { "stage": 12, "statement": "Low-lying sections of Humiston-Riverside Park are inundated in Pontiac." }, { "stage": 10, "statement": "Low-lying sections of Play Park are inundated in Pontiac." }, { "stage": 8, "statement": "Trails along the river in Humiston-Riverside Park are threatened in Pontiac." } ] }, "images": { "probability": { "weekint": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/PNTI2.SSTG.prob.weekint.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/PNTI2.QINE.prob.weekint.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/PNTI2.volume.prob.weekint.gif" }, "entperiod": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/PNTI2.SSTG.exceed.90day.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/PNTI2.QINE.exceed.90day.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/PNTI2.volume.exceed.90day.gif" }, "shortrange": "https://water.noaa.gov/resources/probabilistic/short_term/PNTI2.shortrange.hefs.png" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/pnti2_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/pnti2_record.png" }, "photos": [] }, "dataAttribution": [ { "abbrev": "USGS", "text": "05554500", "title": "Observations courtesy of U.S. Geological Survey", "url": "https://waterdata.usgs.gov/nwis/inventory/?site_no=05554500" } ], "impactsLowWaters": [ { "value": "2.0", "impact": "River nears zero flow." } ], "normalThreshold": null, "hydronotes": [ { "statement": "River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast.", "effective": "0101", "expiration": "1231" } ], "datums": { "vertical": { "value": [ { "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": 619.02 } ] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "", "downstreamLid": "LNRI2", "inService": { "enabled": true, "message": "" }, "lowThreshold": { "units": "ft", "value": 2.5 }, "forecastReliability": "Forecasts are issued as needed during times of high water, but are not routinely available.", "TruncateObs": "-1", "TruncateFcst": "7", "ObservedFloodCategory": "no_flooding", "ForecastFloodCategory": "fcst_not_current" }