{ "lid": "MTAO1", "usgsId": "03150700", "reachId": "19440281", "name": "Ohio River at Marietta Pumphouse", "description": "", "rfc": { "abbreviation": "OHRFC", "name": "Ohio River Forecast Center" }, "wfo": { "abbreviation": "RLX", "name": "South Charleston" }, "state": { "abbreviation": "OH", "name": "Ohio" }, "county": "Washington", "timeZone": "EST5EDT", "latitude": 39.4094444444444, "longitude": -81.4577777777778, "pedts": { "observed": "HGIRG", "forecast": "HGIFF" }, "status": { "observed": { "primary": 16.36, "primaryUnit": "ft", "secondary": -999, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-11-05T18:00:00Z" }, "forecast": { "primary": 16.1, "primaryUnit": "ft", "secondary": -999, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-11-06T00:00:00Z" } }, "flood": { "stageUnits": "ft", "flowUnits": "cfs", "categories": { "major": { "stage": 40, "flow": -9999 }, "moderate": { "stage": 38, "flow": -9999 }, "minor": { "stage": 35, "flow": -9999 }, "action": { "stage": 33, "flow": -9999 } }, "lro": { "minorCS": "0.1", "moderateCS": "0.09", "majorCS": "0.06", "producedTime": "2026-11-03T01:14:22Z", "interval": "NDJ" }, "crests": { "historic": [ { "occurredTime": "1913-03-29T00:00:00Z", "stage": 58.3, "flow": 0, "preliminary": "R", "olddatum": false }, { "occurredTime": "1937-01-26T00:00:00Z", "stage": 55, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1884-02-07T00:00:00Z", "stage": 52.9, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1907-03-16T00:00:00Z", "stage": 50.5, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1832-02-16T00:00:00Z", "stage": 48.8, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1964-03-12T00:00:00Z", "stage": 45.2, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1861-09-30T00:00:00Z", "stage": 45, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "2004-09-19T18:00:00Z", "stage": 44.97, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "2005-01-08T00:30:00Z", "stage": 43.6, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1959-01-24T00:00:00Z", "stage": 41.4, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1913-01-11T00:00:00Z", "stage": 41.3, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "2024-04-05T10:15:00Z", "stage": 40.07, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1979-02-27T00:00:00Z", "stage": 40, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "2018-02-18T06:00:00Z", "stage": 39.58, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1996-01-21T21:00:00Z", "stage": 39.3, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1991-01-01T00:00:00Z", "stage": 38.3, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "2024-04-14T05:15:00Z", "stage": 37.89, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1967-03-08T00:00:00Z", "stage": 37.8, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "2011-03-13T03:00:00Z", "stage": 37.34, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-04-05T13:45:00Z", "stage": 36.4, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2005-01-13T12:00:00Z", "stage": 36.08, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-09-12T03:30:00Z", "stage": 35.35, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2008-02-08T20:00:00Z", "stage": 33.31, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1975-02-25T00:00:00Z", "stage": 33.23, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "2015-03-16T13:00:00Z", "stage": 31.18, "flow": 0, "preliminary": "O", "olddatum": false } ], "recent": [ { "occurredTime": "2024-04-14T05:15:00Z", "stage": 37.89, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2024-04-05T10:15:00Z", "stage": 40.07, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-09-12T03:30:00Z", "stage": 35.35, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-04-05T13:45:00Z", "stage": 36.4, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-02-18T06:00:00Z", "stage": 39.58, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2015-03-16T13:00:00Z", "stage": 31.18, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2011-03-13T03:00:00Z", "stage": 37.34, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2008-02-08T20:00:00Z", "stage": 33.31, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2005-01-13T12:00:00Z", "stage": 36.08, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2005-01-08T00:30:00Z", "stage": 43.6, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2004-09-19T18:00:00Z", "stage": 44.97, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1996-01-21T21:00:00Z", "stage": 39.3, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1991-01-01T00:00:00Z", "stage": 38.3, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1979-02-27T00:00:00Z", "stage": 40, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1975-02-25T00:00:00Z", "stage": 33.23, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1967-03-08T00:00:00Z", "stage": 37.8, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1964-03-12T00:00:00Z", "stage": 45.2, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1959-01-24T00:00:00Z", "stage": 41.4, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1937-01-26T00:00:00Z", "stage": 55, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1913-03-29T00:00:00Z", "stage": 58.3, "flow": 0, "preliminary": "R", "olddatum": false }, { "occurredTime": "1913-01-11T00:00:00Z", "stage": 41.3, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1907-03-16T00:00:00Z", "stage": 50.5, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1884-02-07T00:00:00Z", "stage": 52.9, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1861-09-30T00:00:00Z", "stage": 45, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1832-02-16T00:00:00Z", "stage": 48.8, "flow": 0, "preliminary": "O", "olddatum": true } ] }, "lowWaters": { "historic": [] }, "impacts": [ { "stage": 42, "statement": "Most business, homes, and roads are flooded throughout Marietta at stages 42 feet and above." }, { "stage": 41, "statement": "Several sections and business along Front, Greene, Hart, Butler and Second Streets and Elemwood Avenue are flooded. Portions of Fifth, Buckley, Knox, Fair and Ohio Streets are flooded." }, { "stage": 40, "statement": "Major flooding is occuring. Wayne Street at Eighth Street, Greene Street at Second, Seventh and Pike Streets, Front Street at Monroe Street and at the Armory, Pennsylvania Avenue at Linwood Street and at Eton Street, Second Street at Butler Street, and Scammel Street at Second and Third Streets are all flooded. On the West Side, Harmar Street at Maple and Pearl Streets, and Market Street at Fort Square are flooded." }, { "stage": 39, "statement": "Pike street at Lafayette, Greene at Third Street, Jefferson Street at East Eight Street, Third Street between Butler and Church Streets, and Second Street at Wooster Street are all flooded." }, { "stage": 38, "statement": "Elmwood Avenue at Ash, Hart, Pike and Charles Streets at Seventh Street, Church at Second Street, Butler at Fifth Street, Ohio Street at Second and Third Streets are all flooded." }, { "stage": 37, "statement": "Hart Street at Ash and Fourth Streets, Stark and Jefferson Streets at Seventh Street, Fourth Street at Butler Street, Second and Third Streets at Church Street, Spike Streeet at Olney Street, Lafayette and Wayne Streets at Eighth Street, Greene Street at Fifth and Sixth Streets are flooded." }, { "stage": 36, "statement": "Pike Street at the entrance to Phillips Elementary School, Elmwood Avenue and Hart Street start to flood. Eighth at Ohio and Stark Streets start to flood. Second and Third Streets between Green and Butler floods." }, { "stage": 35, "statement": "Stark Street at 7th Street, Pike Street at Wayne, Elmwood Avenue and Greene Street at the center of Don Drumm Field are flooded." } ] }, "images": { "probability": { "weekint": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/MTAO1.SSTG.prob.weekint.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/MTAO1.QINE.prob.weekint.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/MTAO1.volume.prob.weekint.gif" }, "entperiod": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/MTAO1.SSTG.exceed.90day.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/MTAO1.QINE.exceed.90day.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/MTAO1.volume.exceed.90day.gif" }, "shortrange": "https://water.noaa.gov/resources/probabilistic/short_term/MTAO1.shortrange.hefs.png" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/mtao1_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/mtao1_record.png" }, "photos": [ { "id": "2926317275981025774", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 39.4094444444444, -81.4577777777778 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/mtao1/2926317275981025774.jpeg", "caption": "Areal View at 44 feet." } }, { "id": "2943207264937316846", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 39.4094444444444, -81.4577777777778 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/mtao1/2943207264937316846.jpeg", "caption": "West Side - Gilman Avenue" } }, { "id": "2957074876817478126", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 39.4094444444444, -81.4577777777778 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/mtao1/2957074876817478126.jpeg", "caption": "Front Street at 40 feet and falling." } }, { "id": "2969694083438612974", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 39.4094444444444, -81.4577777777778 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/mtao1/2969694083438612974.jpeg", "caption": "Looking Down Front Street at 42-44 feet." } }, { "id": "2975854376506102254", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 39.4094444444444, -81.4577777777778 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/mtao1/2975854376506102254.jpeg", "caption": "Looking Up Front Street at 42-44 feet." } }, { "id": "2990843516016398830", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 39.4094444444444, -81.4577777777778 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/mtao1/2990843516016398830.jpeg", "caption": "Intersection of Routes 7 and 26 at 42-44 feet." } }, { "id": "2998263587416314350", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 39.4094444444444, -81.4577777777778 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/mtao1/2998263587416314350.jpeg", "caption": "Marietta Pumphouse Gage" } } ] }, "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": "03150700", "title": "Observations courtesy of U.S. Geological Survey", "url": "https://waterdata.usgs.gov/nwis/inventory/?site_no=03150700" } ], "impactsLowWaters": [], "normalThreshold": null, "hydronotes": [ { "statement": "River Forecasts typically include ONLY 2 days of future rain from forecast issuance time (lower right of graph). Occasionally 3 days of future rain included.", "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": 566.35 } ] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "RNOO1", "downstreamLid": "PARW2", "inService": { "enabled": true, "message": "" }, "lowThreshold": null, "forecastReliability": "Forecasts are issued routinely year-round.", "TruncateObs": "-1", "TruncateFcst": "5", "ObservedFloodCategory": "no_flooding", "ForecastFloodCategory": "no_flooding" }