{ "bbox":null, "type":"Feature", "geometry":{ "bbox":null, "type":"Point", "coordinates":[ -95.37046, 35.85722 ] }, "properties":{ "provider":"SWT", "code":"CHOU", "slug":"chou", "elevation":452.5, "horizontal_datum":"NAD83", "vertical_datum":"NGVD29", "state":"OK", "kind":"PROJECT", "nearest_city":"Okay, OK", "public_name":"Chouteau LD17", "location_code":2761051, "nsid":null, "aliases":{ "NIDID":"OK10303", "CWMS Standard Naming":"CHOU", "CWMS Legacy Naming":"CHOU", "NWS Handbook 5 ID":"WAGO2", "USGS Station Number":"07178660", "DCP Platform ID":"CE614FC2" }, "timeseries":[ { "tsid":"CHOU.Stor.Inst.1Hour.0.Ccp-Rev", "label":"Flood Storage", "base_parameter":"Stor", "parameter":"Stor", "unit":"ac-ft", "unit_long_name":"Acre-feet", "latest_time":"2026-04-14T22:00:00Z", "latest_value":14278.88, "delta24h":null, "sort_order":11, "results":null }, { "tsid":"CHOU.Temp-Air.Inst.1Hour.0.Ccp-Rev", "label":"Air Temperature", "base_parameter":"Temp", "parameter":"Temp-Air", "unit":"F", "unit_long_name":"Fahrenheit", "latest_time":"2026-04-14T22:00:00Z", "latest_value":77.86, "delta24h":null, "sort_order":22, "results":null }, { "tsid":"CHOU.Precip-Inc.Total.1Hour.1Hour.Ccp-Rev", "label":"Precipitation", "base_parameter":"Precip", "parameter":"Precip-Inc", "unit":"in", "unit_long_name":"Inches", "latest_time":"2026-04-14T22:00:00Z", "latest_value":0.0, "delta24h":null, "sort_order":16, "results":null }, { "tsid":"CHOU.Flow-Res In.Ave.~8Hours.8Hours.Rev-Ccp", "label":"Inflow", "base_parameter":"Flow", "parameter":"Flow-Res In", "unit":"cfs", "unit_long_name":"Cubic feet per second", "latest_time":"2026-04-14T13:00:00Z", "latest_value":13561.72, "delta24h":null, "sort_order":6, "results":null }, { "tsid":"CHOU.Elev-Tailwater.Inst.1Hour.0.Ccp-Rev", "label":"Elevation Tailwater", "base_parameter":"Elev", "parameter":"Elev-Tailwater", "unit":"ft", "unit_long_name":"Feet", "latest_time":"2026-04-14T22:00:00Z", "latest_value":491.53, "delta24h":null, "sort_order":3, "results":null }, { "tsid":"CHOU.Elev.Inst.1Hour.0.Ccp-Rev", "label":"Elevation", "base_parameter":"Elev", "parameter":"Elev", "unit":"ft", "unit_long_name":"Feet", "latest_time":"2026-04-14T22:00:00Z", "latest_value":512.02, "delta24h":null, "sort_order":1, "results":null }, { "tsid":"CHOU.Flow-Res Out.Inst.1Hour.0.Rev-Regi-Flowgroup", "label":"Outflow", "base_parameter":"Flow", "parameter":"Flow-Res Out", "unit":"cfs", "unit_long_name":"Cubic feet per second", "latest_time":"2026-04-14T22:00:00Z", "latest_value":12500.0, "delta24h":null, "sort_order":7, "results":null }, { "tsid":"CHOU.Stor.Inst.1Hour.0.Ccp-Rev", "label":"Conservation Storage", "base_parameter":"Stor", "parameter":"Stor", "unit":"ac-ft", "unit_long_name":"Acre-feet", "latest_time":"2026-04-14T22:00:00Z", "latest_value":14278.88, "delta24h":null, "sort_order":13, "results":null } ], "name":"Chouteau LD17", "hasResopsAverages":"false", "nidId":"OK10303", "nidid":"", "levels":[ { "slug":"elev.auxiliary spillway crest", "label":"Auxiliary Spillway Crest", "parameter":"Elev", "base_parameter":"Elev", "tsid":"CHOU.Elev.Inst.0.Auxiliary Spillway Crest", "latest_value":520, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.bottom of navigation", "label":"Bottom of Navigation", "parameter":"Elev", "base_parameter":"Elev", "tsid":"CHOU.Elev.Inst.0.Bottom of Navigation", "latest_value":511, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.bottom of navigation pool", "label":"Bottom of Navigation Pool", "parameter":"Elev", "base_parameter":"Elev", "tsid":"CHOU.Elev.Inst.0.Bottom of Navigation Pool", "latest_value":511, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.bottom of normal", "label":"Bottom of Normal", "parameter":"Elev", "base_parameter":"Elev", "tsid":"CHOU.Elev.Inst.0.Bottom of Normal", "latest_value":511.5, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.maximum pool", "label":"Maximum Pool", "parameter":"Elev", "base_parameter":"Elev", "tsid":"CHOU.Elev.Inst.0.Maximum Pool", "latest_value":528.4, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.spillway crest", "label":"Spillway Crest", "parameter":"Elev", "base_parameter":"Elev", "tsid":"CHOU.Elev.Inst.0.Spillway Crest", "latest_value":485, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.streambed", "label":"Streambed", "parameter":"Elev", "base_parameter":"Elev", "tsid":"CHOU.Elev.Inst.0.Streambed", "latest_value":480, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.top of dam", "label":"Top of Dam", "parameter":"Elev", "base_parameter":"Elev", "tsid":"CHOU.Elev.Inst.0.Top of Dam", "latest_value":528, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.top of dam - left bank", "label":"Top of Dam - Left Bank", "parameter":"Elev", "base_parameter":"Elev", "tsid":"CHOU.Elev.Inst.0.Top of Dam - Left Bank", "latest_value":535.5, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.top of dam - right bank", "label":"Top of Dam - Right Bank", "parameter":"Elev", "base_parameter":"Elev", "tsid":"CHOU.Elev.Inst.0.Top of Dam - Right Bank", "latest_value":528, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.top of inactive", "label":"Top of Inactive", "parameter":"Elev", "base_parameter":"Elev", "tsid":"CHOU.Elev.Inst.0.Top of Inactive", "latest_value":490, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.top of navigation", "label":"Top of Navigation", "parameter":"Elev", "base_parameter":"Elev", "tsid":"CHOU.Elev.Inst.0.Top of Navigation", "latest_value":511.5, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.top of navigation pool", "label":"Top of Navigation Pool", "parameter":"Elev", "base_parameter":"Elev", "tsid":"CHOU.Elev.Inst.0.Top of Navigation Pool", "latest_value":511.5, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.top of normal", "label":"Top of Normal", "parameter":"Elev", "base_parameter":"Elev", "tsid":"CHOU.Elev.Inst.0.Top of Normal", "latest_value":511.5, "units":"ft", "units_long_name":"Feet" }, { "slug":"stor.bottom of navigation pool", "label":"Bottom of Navigation Pool", "parameter":"Stor", "base_parameter":"Stor", "tsid":"CHOU.Stor.Inst.0.Bottom of Navigation Pool", "latest_value":13188.48, "units":"ac-ft", "units_long_name":"Acre-feet" }, { "slug":"stor.top of inactive", "label":"Top of Inactive", "parameter":"Stor", "base_parameter":"Stor", "tsid":"CHOU.Stor.Inst.0.Top of Inactive", "latest_value":733.25, "units":"ac-ft", "units_long_name":"Acre-feet" }, { "slug":"stor.top of navigation pool", "label":"Top of Navigation Pool", "parameter":"Stor", "base_parameter":"Stor", "tsid":"CHOU.Stor.Inst.0.Top of Navigation Pool", "latest_value":13717.14, "units":"ac-ft", "units_long_name":"Acre-feet" } ], "id":550078, "associatedStructuresCount":0, "conditionAssessDate":null, "conditionAssessDetail":null, "conditionAssessId":6, "damHeight":53, "damLength":11690, "distance":null, "drainageArea":240, "eapId":1, "dsacAssignedDate":"2016-05-10T12:00:00.000Z", "eapMeetsGuidelinesId":1, "emergencyContactsUpdated":"2024-07-30T12:00:00.000Z", "eapLastRevDate":"2024-07-01T12:00:00.000Z", "enforcementAuthorityId":0, "federalId":"OK10303", "oldFederalId":"OK10303", "hazardId":3, "hydraulicHeight":50, "inspectionAuthorityId":0, "inspectionDate":"2025-03-04T12:00:00.000Z", "inspectionFrequency":5, "jurisdictionAuthorityId":0, "latitude":35.8576659390001, "lengthOfLocks":600, "secondaryLengthOfLocks":null, "longitude":-95.370975885, "maxDischarge":155000, "maxStorage":23340, "nidHeight":53, "nidStorage":23340, "normalStorage":23340, "numberOfLocks":1, "operationalStatusDate":"2016-05-10T12:00:00.000Z", "operationalStatusId":1, "originalDesignerName":null, "otherStructureId":null, "permittingAuthorityId":0, "politicalPartyId":null, "privateDamId":null, "projectDescription":"The United States Army Corps of Engineers (USACE) completed construction of Chouteau Lock and Dam in 1970 with the primary purpose for navigation of the lower Arkansas River Basin. Chouteau Lock and Dam also provides fish and wildlife habitat and recreation benefits. The project consists of a concrete gated spillway flanked on each side by earthen embankments and a navigation lock chamber that allows barge traffic carrying various goods to pass up and down the river. Chouteau Lock and Dam 17 is located in Wagoner County, Oklahoma, about 4 miles west of Okay and about 7 miles north of Muskogee. The lock is on the Verdigris River, a tributary to the Arkansas River. Chouteau Lock and Dam 17 is about 50 miles downstream from the Port of Catoosa, Oklahoma, and about 27 miles downstream from Newt Graham Lock & Dam, the uppermost lock and dam in the system. Under normal river conditions, the flows within the river are regulated by the concrete gated spillway to ensure river levels are high enough for navigation barge traffic. During river flooding, the spillway gates are fully opened to allow as much water to pass through the structure as possible. After the flood passes and the river level recedes, the project returns to normal river conditions.", "riskCharSummary":"USACE completed a risk assessment in June 2015 and classified the risk associated with Chouteau Lock and Dam as low. Although extremely unlikely, the primary risk to the integrity of the lock and dam is the potential for erosion of the rock foundation at the spillway to lead to failure. Failure of the dam would include a disruption to navigation and economic impacts. Widespread flooding could occur downstream as part of normal operation of the dam (when the gates are fully opened during a large flood). A large increase in downstream flooding would not be expected if the dam were to fail as the dam is not designed or operated to reduce downstream flooding, but instead for navigation purposes. For a large flood along the river the biggest impacts would be to the cities of Fort Gibson, Muskogee, and other communities along the Arkansas River.", "riskManagementMeasures":"There are numerous activities that USACE conducts on a day to day basis to help manage the risk that Chouteau Lock and Dam poses to downstream communities and those that rely on river navigation. This includes conducting emergency exercises with local and state emergency responders to enhance evacuation planning, yearly updates to the Emergency Action Plan to improve emergency response actions, and development of a detailed communication plan for the dam. The dam is well maintained through continuous operations and maintenance activities, and USACE conducts detailed inspections of the dam during both normal river levels and during and after flood events to ensure the integrity of the structure. Lastly, the dam has an instrumentation and monitoring system to allow USACE staff to evaluate the dam for changing conditions. Lastly, the navigation lock chamber is periodically dewatered for inspection and repairs.", "riverName":"VERDIGRIS RIVER", "separateStructuresCount":0, "sourceAgency":"US Army Corps of Engineers", "spillwayTypeId":1, "spillwayWidth":386, "stateFedId":"OK10303", "stateRegulatoryAgency":null, "stateRegulatedId":0, "structuralHeight":53, "submitDate":"2023-02-16T17:25:19.807Z", "surfaceArea":2270, "volume":1273000, "widthOfLocks":110, "secondaryWidthOfLocks":null, "yearCompleted":1970, "congDist":"Congressional District 02, Oklahoma", "city":"OKAY", "county":"Wagoner", "aiannh":"Creek OTSA", "websiteUrl":"https://www.swt.usace.army.mil/Locations/Tulsa-District-Lakes/Oklahoma/Chouteau-Lock-and-Dam/", "coreTypeIds":"3", "damTypeIds":"9;8", "fedConstructionIds":"1", "fedDesignIds":"1", "fedFundingIds":"1", "fedInspectionIds":"1", "fedOperationIds":"1", "fedOtherIds":"1", "fedOwnerIds":"1", "fedRegulatoryIds":"1", "formerNames":"Lock and Dam 17", "foundationTypeIds":"1;3", "nonFederalDamOnFederalId":0, "designerNames":"CESWT", "otherNames":"Chouteau Lock and Dam", "ownerNames":"USACE - Tulsa District", "ownerTypeIds":"3", "primaryDamTypeId":9, "primaryOwnerTypeId":3, "primaryPurposeId":3, "purposeIds":"3", "dsacId":4, "femaRegion":"6", "lastEapExcerDate":"2024-10-03T12:00:00.000Z", "dataUpdated":"2025-07-15T14:49:48.207Z", "usaceDistrict":"Tulsa District", "noConsequencesId":1, "secretaryAgricultureBuiltId":null, "nrcsWatershedAuthorizationId":null, "isAssociatedStructureId":"No", "fedRegulatedId":"Yes", "inundationNidAddedId":2, "damStatusId":2, "huc06":"110701", "doi_region":"ART", "doi_region_name":"Arkansas-Rio Grande-Texas Gulf", "doi_region_number":6 }, "id":2761051, "links":[ { "type":"application/json", "rel":"root", "title":"The landing page of this server as JSON", "href":"https://api.wwdh.internetofwater.app?f=json" }, { "type":"text/html", "rel":"root", "title":"The landing page of this server as HTML", "href":"https://api.wwdh.internetofwater.app?f=html" }, { "rel":"self", "type":"application/geo+json", "title":"This document as JSON", "href":"https://api.wwdh.internetofwater.app/collections/usace-edr/items/2761051?f=json" }, { "rel":"alternate", "type":"application/ld+json", "title":"This document as RDF (JSON-LD)", "href":"https://api.wwdh.internetofwater.app/collections/usace-edr/items/2761051?f=jsonld" }, { "rel":"alternate", "type":"text/html", "title":"This document as HTML", "href":"https://api.wwdh.internetofwater.app/collections/usace-edr/items/2761051?f=html" }, { "rel":"collection", "type":"application/json", "title":"USACE Access2Water API", "href":"https://api.wwdh.internetofwater.app/collections/usace-edr" } ] }