{ "bbox":null, "type":"Feature", "geometry":{ "bbox":null, "type":"Point", "coordinates":[ -96.08833, 36.92889 ] }, "properties":{ "provider":"SWT", "code":"HULA", "slug":"hula", "elevation":685.5, "horizontal_datum":"WGS84", "vertical_datum":"NGVD29", "state":"OK", "kind":"PROJECT", "nearest_city":"Hulah, OK", "public_name":"Hulah Lake", "location_code":5316051, "nsid":null, "aliases":{ "NIDID":"OK10312", "CWMS Standard Naming":"HULA", "CWMS Legacy Naming":"HULA", "NWS Handbook 5 ID":"HULO2", "USGS Station Number":"07172500", "DCP Platform ID":"CE6078A2" }, "timeseries":[ { "tsid":"HULA.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":19295.43, "delta24h":null, "sort_order":13, "results":null }, { "tsid":"HULA.Precip-Inc.Total.1Hour.1Hour.Ccp-Rev", "label":"Precipitation", "base_parameter":"Precip", "parameter":"Precip-Inc", 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"tsid":"HULA.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":264.04, "delta24h":null, "sort_order":7, "results":null }, { "tsid":"HULA.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":733.87, "delta24h":null, "sort_order":1, "results":null } ], "name":"Hulah Lake", "hasResopsAverages":"false", "nidId":"OK10312", "nidid":"", "levels":[ { "slug":"elev.24-hr surveillance begins", "label":"24-hr Surveillance Begins", "parameter":"Elev", "base_parameter":"Elev", "tsid":"HULA.Elev.Inst.0.24-hr Surveillance Begins", "latest_value":763, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.bottom of conservation", "label":"Bottom of Conservation", "parameter":"Elev", 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"units_long_name":"Feet" }, { "slug":"elev.pool of record", "label":"Pool of Record", "parameter":"Elev", "base_parameter":"Elev", "tsid":"HULA.Elev.Inst.0.Pool of Record", "latest_value":769.42, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.spillway crest", "label":"Spillway Crest", "parameter":"Elev", "base_parameter":"Elev", "tsid":"HULA.Elev.Inst.0.Spillway Crest", "latest_value":740, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.streambed", "label":"Streambed", "parameter":"Elev", "base_parameter":"Elev", "tsid":"HULA.Elev.Inst.0.Streambed", "latest_value":685.5, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.top of conservation", "label":"Top of Conservation", "parameter":"Elev", "base_parameter":"Elev", "tsid":"HULA.Elev.Inst.0.Top of Conservation", "latest_value":733, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.top of constant conservation", "label":"Top of Constant Conservation", "parameter":"Elev", "base_parameter":"Elev", "tsid":"HULA.Elev.Inst.0.Top of Constant Conservation", "latest_value":733, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.top of dam", "label":"Top of Dam", "parameter":"Elev", "base_parameter":"Elev", "tsid":"HULA.Elev.Inst.0.Top of Dam", "latest_value":779.5, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.top of flood", "label":"Top of Flood", "parameter":"Elev", "base_parameter":"Elev", "tsid":"HULA.Elev.Inst.0.Top of Flood", "latest_value":765, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.top of inactive", "label":"Top of Inactive", "parameter":"Elev", "base_parameter":"Elev", "tsid":"HULA.Elev.Inst.0.Top of Inactive", "latest_value":710, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.top of induced surcharge", "label":"Top of Induced Surcharge", "parameter":"Elev", "base_parameter":"Elev", "tsid":"HULA.Elev.Inst.0.Top of Induced Surcharge", "latest_value":767, "units":"ft", "units_long_name":"Feet" }, { "slug":"elev.top of normal", "label":"Top of Normal", "parameter":"Elev", "base_parameter":"Elev", "tsid":"HULA.Elev.Inst.0.Top of Normal", "latest_value":733, "units":"ft", "units_long_name":"Feet" }, { "slug":"stor.bottom of flood control", "label":"Bottom of Flood Control", "parameter":"Stor", "base_parameter":"Stor", "tsid":"HULA.Stor.Inst.0.Bottom of Flood Control", "latest_value":22565, "units":"ac-ft", "units_long_name":"Acre-feet" }, { "slug":"stor.bottom of normal", "label":"Bottom of Normal", "parameter":"Stor", "base_parameter":"Stor", "tsid":"HULA.Stor.Inst.0.Bottom of Normal", "latest_value":12, "units":"ac-ft", "units_long_name":"Acre-feet" }, { "slug":"stor.spillway crest", "label":"Spillway Crest", "parameter":"Stor", "base_parameter":"Stor", "tsid":"HULA.Stor.Inst.0.Spillway Crest", "latest_value":51918, "units":"ac-ft", "units_long_name":"Acre-feet" }, { "slug":"stor.top of conservation", "label":"Top of Conservation", "parameter":"Stor", "base_parameter":"Stor", "tsid":"HULA.Stor.Inst.0.Top of Conservation", "latest_value":16782, "units":"ac-ft", "units_long_name":"Acre-feet" }, { "slug":"stor.top of constant conservation", "label":"Top of Constant Conservation", "parameter":"Stor", "base_parameter":"Stor", "tsid":"HULA.Stor.Inst.0.Top of Constant Conservation", "latest_value":22565, "units":"ac-ft", "units_long_name":"Acre-feet" }, { "slug":"stor.top of dam", "label":"Top of Dam", "parameter":"Stor", "base_parameter":"Stor", "tsid":"HULA.Stor.Inst.0.Top of Dam", "latest_value":480229, "units":"ac-ft", "units_long_name":"Acre-feet" }, { "slug":"stor.top of flood", "label":"Top of Flood", "parameter":"Stor", "base_parameter":"Stor", "tsid":"HULA.Stor.Inst.0.Top of Flood", "latest_value":263737, "units":"ac-ft", "units_long_name":"Acre-feet" }, { "slug":"stor.top of inactive", "label":"Top of Inactive", "parameter":"Stor", "base_parameter":"Stor", "tsid":"HULA.Stor.Inst.0.Top of Inactive", "latest_value":0, "units":"ac-ft", "units_long_name":"Acre-feet" }, { "slug":"stor.top of normal", "label":"Top of Normal", "parameter":"Stor", "base_parameter":"Stor", "tsid":"HULA.Stor.Inst.0.Top of Normal", "latest_value":22565, "units":"ac-ft", "units_long_name":"Acre-feet" } ], "id":550225, "associatedStructuresCount":0, "conditionAssessDate":null, "conditionAssessDetail":null, "conditionAssessId":6, "damHeight":94, "damLength":5200, "distance":null, "drainageArea":732, "eapId":1, "dsacAssignedDate":"2024-07-11T12:00:00.000Z", "eapMeetsGuidelinesId":1, "emergencyContactsUpdated":"2024-07-18T12:00:00.000Z", "eapLastRevDate":"2023-12-07T12:00:00.000Z", "enforcementAuthorityId":0, "federalId":"OK10312", "oldFederalId":"OK10312", "hazardId":4, "hydraulicHeight":86, "inspectionAuthorityId":0, "inspectionDate":"2023-07-24T12:00:00.000Z", "inspectionFrequency":5, "jurisdictionAuthorityId":0, "latitude":36.928184663, "lengthOfLocks":0, "secondaryLengthOfLocks":null, "longitude":-96.0882496359999, "maxDischarge":266200, "maxStorage":289000, "nidHeight":94, "nidStorage":289000, "normalStorage":3116, "numberOfLocks":0, "operationalStatusDate":"2009-05-12T12:00:00.000Z", "operationalStatusId":2, "originalDesignerName":null, "otherStructureId":null, "permittingAuthorityId":0, "politicalPartyId":null, "privateDamId":null, "projectDescription":"The United States Army Corps of Engineers completed construction of Hulah Dam in 1951 with the primary purpose to reduce flooding in downstream communities. The dam consists of an earthen embankment and a concrete gated spillway. Hulah Dam is located on the Caney River, a tributary of the larger Verdigris River watershed, about 15 miles northwest of Bartlesville, OK. The releases are regulated by ten large gates within the concrete spillway. Hulah Dam also provides additional benefits including water supply, water quality, fish and wildlife habitats, and recreation.", "riskCharSummary":"USACE completed a risk assessment for Hulah Dam in 2023 and classified the risk associated with the dam as low. The risk is primarily driven by the potential for water seeping through the foundation soils beneath the embankment leading to erosion and failure. Another risk identified is the potential for water to flow over the embankment crest during a very extreme flood event resulting in embankment erosion and breach. Failure of the dam would include catastrophic flooding downstream with widespread economic impacts and significant loss of life. In the remote event of a dam failure, the largest impacts would be to the cities of Dewey, Bartlesville, Tulsa, Claremore, Muskogee, and other communities along the Arkansas and Caney Rivers. Key infrastructure from Avant to Webbers Falls could also be damaged or destroyed.\n\nA more likely flooding scenario includes a large release through the gated spillway during a flood with the project operating as intended. Although the inundation would not be as great as a breach of the dam this scenario could still result in widespread economic impacts and loss of life due to the potential extent of flooding.", "riskManagementMeasures":"There are numerous activities that USACE conducts on a day to day basis to help manage the risk Hulah Dam poses to downstream communities. 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 lake levels and during flood events to ensure the integrity of the structure. Lastly, the dam has a robust instrumentation and monitoring program to allow USACE staff to evaluate the dam for changing conditions. These instruments are monitored regularly for any early indications of potential safety concerns at the project.", "riverName":"CANEY RIVER", "separateStructuresCount":0, "sourceAgency":"US Army Corps of Engineers", "spillwayTypeId":1, "spillwayWidth":472, "stateFedId":"OK10312", "stateRegulatoryAgency":null, "stateRegulatedId":0, "structuralHeight":94, "submitDate":"2023-02-16T17:25:27.891Z", "surfaceArea":3570, "volume":2090000, "widthOfLocks":0, "secondaryWidthOfLocks":null, "yearCompleted":1951, "congDist":"Congressional District 03, Oklahoma", "city":"BARTLESVILLE", "county":"Osage", "aiannh":"Osage Reservation", "websiteUrl":"https://www.swt.usace.army.mil/Locations/Tulsa-District-Lakes/Oklahoma/Hulah-Lake/", "coreTypeIds":"3", "damTypeIds":"9;8", "fedConstructionIds":"1", "fedDesignIds":"1", "fedFundingIds":"1", "fedInspectionIds":"1", "fedOperationIds":"1", "fedOtherIds":"1", "fedOwnerIds":"1", "fedRegulatoryIds":"1", "formerNames":null, "foundationTypeIds":"1;3", "nonFederalDamOnFederalId":0, "designerNames":"CESWT", "otherNames":"Hulah Lake", "ownerNames":"USACE - Tulsa District", "ownerTypeIds":"3", "primaryDamTypeId":9, "primaryOwnerTypeId":3, "primaryPurposeId":9, "purposeIds":"9;12;8", "dsacId":4, "femaRegion":"6", "lastEapExcerDate":"2025-06-11T12:00:00.000Z", "dataUpdated":"2025-07-15T14:49:42.577Z", "usaceDistrict":"Tulsa District", "noConsequencesId":0, "secretaryAgricultureBuiltId":null, "nrcsWatershedAuthorizationId":null, "isAssociatedStructureId":"No", "fedRegulatedId":"Yes", "inundationNidAddedId":1, "damStatusId":2, "huc06":"110701", "doi_region":"ART", "doi_region_name":"Arkansas-Rio Grande-Texas Gulf", "doi_region_number":6 }, "id":5316051, "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/5316051?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/5316051?f=jsonld" }, { "rel":"alternate", "type":"text/html", "title":"This document as HTML", "href":"https://api.wwdh.internetofwater.app/collections/usace-edr/items/5316051?f=html" }, { "rel":"collection", "type":"application/json", "title":"USACE Access2Water API", "href":"https://api.wwdh.internetofwater.app/collections/usace-edr" } ] }