{ "lid": "STLM5", "usgsId": "05341550", "reachId": "2649706", "name": "St. Croix River at Stillwater", "description": "", "rfc": { "abbreviation": "NCRFC", "name": "North Central River Forecast Center" }, "wfo": { "abbreviation": "MPX", "name": "Chanhassen" }, "state": { "abbreviation": "MN", "name": "Minnesota" }, "county": "Washington", "timeZone": "CST6CDT", "latitude": 45.0561, "longitude": -92.8041, "pedts": { "observed": "HGIRP", "forecast": "HGIFF" }, "status": { "observed": { "primary": 75.57, "primaryUnit": "ft", "secondary": -999, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-08-31T01:00:00Z" }, "forecast": { "primary": 75.5, "primaryUnit": "ft", "secondary": -999, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-08-31T06:00:00Z" } }, "flood": { "stageUnits": "ft", "flowUnits": "cfs", "categories": { "major": { "stage": 89, "flow": -9999 }, "moderate": { "stage": 88, "flow": -9999 }, "minor": { "stage": 87, "flow": -9999 }, "action": { "stage": 80, "flow": -9999 } }, "lro": { "minorCS": "< 0.05", "moderateCS": "< 0.05", "majorCS": "< 0.05", "producedTime": "2026-08-28T02:02:37Z", "interval": "SON" }, "crests": { "historic": [ { "occurredTime": "1965-04-18T00:00:00Z", "stage": 94.1, "flow": 0, "preliminary": "R", "olddatum": false }, { "occurredTime": "2001-04-27T00:00:00Z", "stage": 92.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1969-04-16T00:00:00Z", "stage": 92.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2001-04-16T00:00:00Z", "stage": 91.1, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1997-04-12T00:00:00Z", "stage": 90.45, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1952-04-14T00:00:00Z", "stage": 89.7, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2023-04-24T10:00:00Z", "stage": 89.21, "flow": 61500, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-03-31T21:00:00Z", "stage": 88.48, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2024-07-01T12:30:00Z", "stage": 88.1, "flow": 0, "preliminary": "P", "olddatum": false }, { "occurredTime": "1993-06-28T00:00:00Z", "stage": 87.9, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2014-06-27T00:00:00Z", "stage": 87.63, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1986-04-06T00:00:00Z", "stage": 87.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1975-04-30T00:00:00Z", "stage": 87.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2011-04-12T15:00:00Z", "stage": 87.28, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-04-06T04:00:00Z", "stage": 86.02, "flow": 25300, "preliminary": "O", "olddatum": false }, { "occurredTime": "2012-06-01T15:30:00Z", "stage": 85.99, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2010-03-25T05:00:00Z", "stage": 85.93, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2016-07-16T00:00:00Z", "stage": 85.8, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-04-30T17:00:00Z", "stage": 85.65, "flow": 19300, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-06-22T10:00:00Z", "stage": 85.53, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2022-05-18T04:00:00Z", "stage": 85.17, "flow": 25100, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-07-01T19:15:00Z", "stage": 84.19, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2017-10-10T02:30:00Z", "stage": 83.82, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2017-05-25T19:30:00Z", "stage": 83.46, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-05-27T10:30:00Z", "stage": 81.75, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2021-04-17T05:00:00Z", "stage": 81.55, "flow": 15500, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-06-15T19:15:00Z", "stage": 80.48, "flow": 0, "preliminary": "O", "olddatum": false } ], "recent": [ { "occurredTime": "2024-07-01T12:30:00Z", "stage": 88.1, "flow": 0, "preliminary": "P", "olddatum": false }, { "occurredTime": "2023-04-24T10:00:00Z", "stage": 89.21, "flow": 61500, "preliminary": "O", "olddatum": false }, { "occurredTime": "2022-05-18T04:00:00Z", "stage": 85.17, "flow": 25100, "preliminary": "O", "olddatum": false }, { "occurredTime": "2021-04-17T05:00:00Z", "stage": 81.55, "flow": 15500, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-04-06T04:00:00Z", "stage": 86.02, "flow": 25300, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-03-31T21:00:00Z", "stage": 88.48, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-06-22T10:00:00Z", "stage": 85.53, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-04-30T17:00:00Z", "stage": 85.65, "flow": 19300, "preliminary": "O", "olddatum": false }, { "occurredTime": "2017-10-10T02:30:00Z", "stage": 83.82, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2017-05-25T19:30:00Z", "stage": 83.46, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2016-07-16T00:00:00Z", "stage": 85.8, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2014-06-27T00:00:00Z", "stage": 87.63, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-07-01T19:15:00Z", "stage": 84.19, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-06-15T19:15:00Z", "stage": 80.48, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-05-27T10:30:00Z", "stage": 81.75, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2012-06-01T15:30:00Z", "stage": 85.99, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2011-04-12T15:00:00Z", "stage": 87.28, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2010-03-25T05:00:00Z", "stage": 85.93, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2001-04-27T00:00:00Z", "stage": 92.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2001-04-16T00:00:00Z", "stage": 91.1, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1997-04-12T00:00:00Z", "stage": 90.45, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1993-06-28T00:00:00Z", "stage": 87.9, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1986-04-06T00:00:00Z", "stage": 87.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1975-04-30T00:00:00Z", "stage": 87.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1969-04-16T00:00:00Z", "stage": 92.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1965-04-18T00:00:00Z", "stage": 94.1, "flow": 0, "preliminary": "R", "olddatum": false }, { "occurredTime": "1952-04-14T00:00:00Z", "stage": 89.7, "flow": 0, "preliminary": "O", "olddatum": false } ] }, "lowWaters": { "historic": [ { "occurredTime": "2012-09-08T00:00:00Z", "stage": 74.9, "flow": -9999, "statement": "" }, { "occurredTime": "2015-05-04T00:00:00Z", "stage": 74.93, "flow": -9999, "statement": "" }, { "occurredTime": "1988-07-01T00:00:00Z", "stage": 75.1, "flow": -9999, "statement": "" }, { "occurredTime": "2014-11-16T00:00:00Z", "stage": 75.14, "flow": -9999, "statement": "" }, { "occurredTime": "2017-08-02T00:00:00Z", "stage": 75.19, "flow": 4490, "statement": "" }, { "occurredTime": "2020-09-24T00:00:00Z", "stage": 75.2, "flow": -9999, "statement": "" }, { "occurredTime": "2015-10-03T00:00:00Z", "stage": 75.21, "flow": 4260, "statement": "" }, { "occurredTime": "2013-09-15T00:00:00Z", "stage": 75.22, "flow": -9999, "statement": "" }, { "occurredTime": "2011-09-14T00:00:00Z", "stage": 75.22, "flow": -9999, "statement": "" }, { "occurredTime": "2018-08-20T00:00:00Z", "stage": 75.35, "flow": 3630, "statement": "" }, { "occurredTime": "2016-07-07T00:00:00Z", "stage": 75.58, "flow": 3970, "statement": "" } ] }, "impacts": [ { "stage": 95, "statement": "Estimated top of the flood protection dike in Afton." }, { "stage": 94.8, "statement": "Highway 95 near 2nd Ave in Bayport may be closed." }, { "stage": 94, "statement": "Estimated top of the flood protection dike at St Croix Beach." }, { "stage": 92, "statement": "Abandoned railroad bed north of Vine Street to St Croix Street impacted." }, { "stage": 91, "statement": "Dike Road impacted." }, { "stage": 90, "statement": "Lakefront Park bathhouse in Hudson affected." }, { "stage": 89, "statement": "The city park in Bayport begins flooding. Lake Mallalieu dam gates overtopped." }, { "stage": 86.75, "statement": "Buckeye Street Garage in Hudson impacted." }, { "stage": 86, "statement": "Due to safety issues...the Stillwater lift bridge will be closed near this stage." }, { "stage": 85.8, "statement": "First Street between Buckeye and Commercial Streets floods" }, { "stage": 85, "statement": "Several residences along the river may experience flooding in their basements. Front Street in Hudson WI closes." }, { "stage": 84, "statement": "Second tier at Lakefront Park in Hudson floods." }, { "stage": 83, "statement": "Minnesota and Wisconsin DNRs invoke a no wake zone on the river." }, { "stage": 80, "statement": "Seawall at Lakefront Park in Hudson floods." }, { "stage": 77, "statement": "The Stillwater Riverwalk becomes inundated." } ] }, "images": { "probability": { "weekint": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/STLM5.SSTG.prob.weekint.gif", "flow": "", "volume": "" }, "entperiod": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/STLM5.SSTG.exceed.90day.gif", "flow": "", "volume": "" }, "shortrange": "https://water.noaa.gov/resources/probabilistic/short_term/STLM5.shortrange.hefs.png" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/stlm5_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/stlm5_record.png" }, "photos": [ { "id": "5898520668712931822", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 45.056111111111, -92.803055555556 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/stlm5/5898520668712931822.jpeg", "caption": "Looking Upriver" } }, { "id": "5908595729981444590", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 45.056111111111, -92.803055555556 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/stlm5/5908595729981444590.jpeg", "caption": "Looking Downriver" } }, { "id": "5913500239036092910", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 45.056111111111, -92.803055555556 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/stlm5/5913500239036092910.jpeg", "caption": "Looking Downriver 2" } }, { "id": "5917766868137873902", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 45.056111111111, -92.803055555556 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/stlm5/5917766868137873902.jpeg", "caption": "Interstate Bridge looking East" } }, { "id": "5922474147999322606", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 45.056111111111, -92.803055555556 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/stlm5/5922474147999322606.jpeg", "caption": "Gage Bridge looking East" } } ] }, "dataAttribution": [ { "abbrev": "USCOE and USGS (05341550)", "text": "USGS link to data", "title": "Obs courtesy of USCOE and USGS (05341550)", "url": "https://waterdata.usgs.gov/monitoring-location/05341550/#parameterCode=00065&period=P7D&showMedian=false" } ], "impactsLowWaters": [], "normalThreshold": null, "hydronotes": [ { "statement": "River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.", "effective": "0401", "expiration": "0930" }, { "statement": "River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.", "effective": "1001", "expiration": "0331" }, { "statement": "Stage may be affected by ice.", "effective": "1101", "expiration": "0410" } ], "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": 599.42 } ] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "SCFW3", "downstreamLid": "PSCW3", "inService": { "enabled": true, "message": "" }, "lowThreshold": null, "forecastReliability": "Forecasts are issued routinely during the navigation season, and as needed at other times of the year.", "TruncateObs": "-1", "TruncateFcst": "7", "ObservedFloodCategory": "no_flooding", "ForecastFloodCategory": "no_flooding" }