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Appendix 1 to the Report is a Tracer Study and Hydrodynamic Modeling Guidance Manual, which is the primary deliverable for this project. The Guidance Manual effort was led by the University of Nevada, Las Vegas (UNLV). Appendix 2 to the report was prepared by Reclamation's Technical Services Center (TSC) and describes deployment of Acoustic Doppler Profilers (ADPs) in Lake Arrowhead to gain an understanding of the Lake's water movement. \r\n\r\nReport Abstract: As reuse water becomes an ever-larger component of water resource planning, issues associated with measuring and modeling the mixing and dispersion of reuse water will become more prominent. Hydrodynamic modeling and tracer studies are required to evaluate and assess risks for indirect potable reuse (IPR) by surface water augmentation (SWA) projects, but technical approaches vary based on locality, reservoir configuration and available information, models used, and local and state regulations. 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The data set includes depth profile measurements of temperature, conductivity, dissolved oxygen, chlorophyll-a, photosynthetically active radiation (PAR), and pH. The multiparameter probe was calibrated for pH, DO saturation and chlorophyll before each use. The light data (PAR), depth and conductivity sensors were not calibrated before each use. UNLV also collected background Rhodamine-like signal data for the water quality profiles at the Lake Arrowhead Community Services District (LACSD) two drinking water intakes.", "itemRecordStatusId":1, "isModeled":false, "hasProfile":false, "disclaimer":"The findings and conclusions of this work are those of the author(s) and do not necessarily represent the views of the Bureau of Reclamation.", "sourceCode":null, "locationSourceCode":null, "externalDataUrl":null, "parameterSourceCode":null, "modelNameSourceCode":null, "temporalStartDate":null, "temporalEndDate":null, "spatialShortDescription":null, "publicationAuthor":"Meghan Thiemann, David James", "publicationEditor":null, "publicationPublisher":"Bureau of Reclamation", "publicationPublisherLocation":"Denver, CO, USA", "publicationFirstPublicationDate":"2021-06-30T12:00:00+00:00", "publicationPeriodicalName":null, "publicationSerialNumber":null, "publicationDoi":null, "publicationVolume":null, "publicationIssue":null, "publicationSection":null, "publicationStartPage":null, "publicationEndPage":null, "createDate":"2021-07-27T18:09:16+00:00", "itemType":{ "_id":"DATA", "definition":"Data file", "createDate":"2018-11-28T14:19:59+00:00" }, "matrix":{ "_id":16, "matrix":"Surface Water", "definition":"Untreated water that is present on the land surface, within natural or man-made catchments, channels, or pipes.", "createDate":"2018-11-20T09:34:56+00:00" }, "spatialGeometry":null, "spatialResolution":null, "spatialTransformation":null, "spatialOpenDataURL":null, "metadataFilePath":null, "binaryFilePath":"https://data.usbr.gov/rise/content-rise-public/rise/catalog-item/binary/Water Quality Data_0.zip", "updateFrequency":{ "_id":14, "updatefrequency":"not planned", "definition":"there are no plans to update the data", "createDate":"2018-11-14T15:17:58+00:00" }, "updateDate":"2021-08-30T23:35:08+00:00", "verticalDatum":null, "dataStructure":"Uploaded file(s)", "itemStructureId":3, "parameterGroup":null, "parameterId":null, "parameterName":null, "parameterUnit":null, "parameterTimestep":null, "parameterTransformation":null }, "type":"CatalogItem", "relationships":{ "catalogRecord":{ "data":[ { "id":"/rise/api/catalog-record/4492", "type":"CatalogRecord" } ] } } }, { "id":"/rise/api/catalog-item/11002", "attributes":{ "_id":11002, "itemTitle":"S&T Project 7100: Weather Station Data", "itemDescription":"The University of Nevada, Las Vegas (UNLV), on behalf of Reclamation, installed four weather stations (see Figure 1 in S&T Project 7100 Final Report) at Lake Arrowhead to collect two and a half years of wind and temperature data for use in calibrating the hydrodynamic model. Weather stations were located as McKay Park, Lollipop Park, Tavern Bay, and Meadow Bay. The weather stations were monitored through December 2020 to facilitate scenario analysis in the hydrodynamic model. The weather data was reviewed for gaps that were caused by instrument failure (freezing of anemometer/wind vane in winter), battery or communications failure on the loggers, or by failure to collect data from the stations in time to avoid missed records. The irradiance, temperature, relative humidity, wind speed, wind direction sensors were used as-is. The rain gauge at Lollipop Park was used as-is; however it was not heated, and as a result did not record precipitation for several snow and ice storms.", "itemRecordStatusId":1, "isModeled":false, "hasProfile":false, "disclaimer":"The findings and conclusions of this work are those of the author(s) and do not necessarily represent the views of the Bureau of Reclamation.", "sourceCode":null, "locationSourceCode":null, "externalDataUrl":null, "parameterSourceCode":null, "modelNameSourceCode":null, "temporalStartDate":null, "temporalEndDate":null, "spatialShortDescription":null, "publicationAuthor":"Meghan Thiemann, David James", "publicationEditor":null, "publicationPublisher":"Bureau of Reclamation", "publicationPublisherLocation":"Denver, CO, USA", "publicationFirstPublicationDate":"2021-06-30T12:00:00+00:00", "publicationPeriodicalName":null, "publicationSerialNumber":null, "publicationDoi":null, "publicationVolume":null, "publicationIssue":null, "publicationSection":null, "publicationStartPage":null, "publicationEndPage":null, "createDate":"2021-07-27T18:31:46+00:00", "itemType":{ "_id":"DATA", "definition":"Data file", "createDate":"2018-11-28T14:19:59+00:00" }, "matrix":{ "_id":1, "matrix":"Air", "definition":"The invisible gaseous substance surrounding the earth, a mixture mainly of oxygen and nitrogen.", "createDate":"2018-11-20T09:34:56+00:00" }, "spatialGeometry":null, "spatialResolution":null, "spatialTransformation":null, "spatialOpenDataURL":null, "metadataFilePath":null, "binaryFilePath":"https://data.usbr.gov/rise/content-rise-public/rise/catalog-item/binary/Weather Station data_0.zip", "updateFrequency":{ "_id":14, "updatefrequency":"not planned", "definition":"there are no plans to update the data", "createDate":"2018-11-14T15:17:58+00:00" }, "updateDate":"2021-08-30T23:33:59+00:00", "verticalDatum":null, "dataStructure":"Uploaded file(s)", "itemStructureId":3, "parameterGroup":null, "parameterId":null, "parameterName":null, "parameterUnit":null, "parameterTimestep":null, "parameterTransformation":null }, "type":"CatalogItem", "relationships":{ "catalogRecord":{ "data":[ { "id":"/rise/api/catalog-record/4492", "type":"CatalogRecord" } ] } } }, { "id":"/rise/api/catalog-item/11003", "attributes":{ "_id":11003, "itemTitle":"S&T Project 7100: Water Movement Data", "itemDescription":"Reclamation\u2019s Technical Services Center (TSC) Hydraulic Investigations and Laboratory Services Group deployed two Acoustic Doppler Profilers (ADPs) with thermistor strings (for temperature measurement) in Lake Arrowhead between April 2019 and January 2020. This effort provided information on water movement to develop an understanding of reservoir current patterns during mixing events caused by wind, inflows, and pumping station withdrawals. Details on the ADP deployment can be found in Reclamation TSC\u2019s report, which is included as Appendix 2 in the S&T Project 7100 Final Report. The ADP data files can be opened with SonTek ViewADP\u00ae Standard v4.03, which is a Windows-based data display and analysis program. It was designed specifically for use with SonTek ADP data. The program can be downloaded at: https://www.sontek.com/software-downloads. An instrument serial number is needed to download the program. 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The tracers were added to the Lake on December 3, 2019. Masses of 3.9 kg each of RWT and sucralose (a value sufficient to provide a completely-mixed concentration of 0.1 ppb, the practical detection limit) were mixed with ambient lake water, diluted with additional lake water, and pumped into the lake through a diffuser at a depth of 10 meters. RWT concentrations were monitored in situ with depth-profiling fluorometric datalogging probes, and sucralose samples were collected with Van Dorn bottles at RWT peak concentration depths over the next 4 days. RWT profiles were checked against station names (if there were file naming errors) and probe failure (either no reading of depth or RWT). All probes were calibrated using diluted Turner Designs standards. Profiles that showed inaccurate depths given the monitoring station were not used in the hydrodynamic model validation. Sucralose samples were analyzed in the University of Nevada, Las Vegas laboratory. 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The primary purpose of this type of survey is to determine the present storage-elevation relationship of the reservoir and possible change in storage due to sedimentation. Lake Arrowhead is associated with Lake Arrowhead Dam. Reservoir sedimentation surveys typically contain a survey report, area-capacity (ACAP) table, and geospatial data.", "catalogStatusId":1, "metadataFilePath":null, "metadataStandard":{ "_id":"ISO", "definition":"International Standards Organization (ISO) 19115-1:2014 metadata content standard, and ISO 19139:2007 metadata implementation standard", "createDate":"2018-11-20T13:25:52+00:00" }, "createDate":"2021-09-18T20:05:43+00:00", "updateDate":"2026-01-13T16:55:03+00:00", "programNames":[], "generationEffort":"Reservoir Sedimentation Surveys", "generationEffortId":50, "subTheme":{ "_id":25, "subTheme":"Sediment and Sedimentation", "definition":"Relating to the study of sediment accumulation and movement, chemical, physical, biological, and radiological characteristics of sediment, and management of sediment loads.", "createDate":"2019-10-08T15:05:05+00:00" }, "tags":[ "Reservoir Sedimentation", "Reservoir Survey", "Area Capacity" ], "themes":[ "Infrastructure and Assets" ] }, "type":"CatalogRecord", "relationships":{ "location":{ "data":[ { "id":"/rise/api/location/3691", "type":"Location" } ] }, "catalogItems":{ "data":[ { "id":"/rise/api/catalog-item/11356", "type":"CatalogItem" } ] } } }, { "id":"/rise/api/catalog-item/11356", "attributes":{ "_id":11356, "itemTitle":"Lake Arrowhead (California) Sedimentation Survey Report 2009", "itemDescription":"The Bureau of Reclamation conducted a survey at Lake Arrowhead in September 2008. Survey data were used to update reservoir topography and compute the present storage-elevation relationship of the reservoir as an area-capacity (ACAP) table. This document is a survey report that details the methods used to collect data and compute elevation-area-capacity relations for Lake Arrowhead. The report also discusses survey analysis and findings.", "itemRecordStatusId":1, "isModeled":false, "hasProfile":false, "disclaimer":"No warranty is expressed or implied regarding the usefulness or completeness of the information contained in this report. References to commercial products do not imply endorsement by the Bureau of Reclamation and may not be used for advertising or promotional purposes.", "sourceCode":null, "locationSourceCode":null, "externalDataUrl":null, "parameterSourceCode":null, "modelNameSourceCode":null, "temporalStartDate":null, "temporalEndDate":null, "spatialShortDescription":null, "publicationAuthor":"Ronald L. Ferrari", "publicationEditor":null, "publicationPublisher":"Bureau of Reclamation", "publicationPublisherLocation":"Denver, CO, USA", "publicationFirstPublicationDate":"2009-03-01T12:00:00+00:00", "publicationPeriodicalName":null, "publicationSerialNumber":null, "publicationDoi":null, "publicationVolume":null, "publicationIssue":null, "publicationSection":null, "publicationStartPage":null, "publicationEndPage":null, "createDate":"2021-09-22T22:11:26+00:00", "itemType":{ "_id":"RPRT", "definition":"Report", "createDate":"2018-11-28T14:19:59+00:00" }, "matrix":{ "_id":18, "matrix":"N/A", "definition":"Matrix is not applicable to this item", "createDate":"2020-03-26T13:58:55+00:00" }, "spatialGeometry":null, "spatialResolution":null, "spatialTransformation":null, "spatialOpenDataURL":null, "metadataFilePath":null, "binaryFilePath":"https://data.usbr.gov/rise/content-rise-public/rise/catalog-item/binary/Lake Arrowhead_Bathymetric Survey Report 2009_508.pdf", "updateFrequency":{ "_id":14, "updatefrequency":"not planned", "definition":"there are no plans to update the data", "createDate":"2018-11-14T15:17:58+00:00" }, "updateDate":"2025-08-11T15:59:56+00:00", "verticalDatum":null, "dataStructure":"Uploaded file(s)", "itemStructureId":3, "parameterGroup":null, "parameterId":null, "parameterName":null, "parameterUnit":null, "parameterTimestep":null, "parameterTransformation":null }, "type":"CatalogItem", "relationships":{ "catalogRecord":{ "data":[ { "id":"/rise/api/catalog-record/4567", "type":"CatalogRecord" } ] } } } ], "name":"Lake Arrowhead and Dam" }, "id":3691, "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/rise-edr/items/3691?f=json" }, { "rel":"alternate", "type":"application/ld+json", "title":"This document as RDF (JSON-LD)", "href":"https://api.wwdh.internetofwater.app/collections/rise-edr/items/3691?f=jsonld" }, { "rel":"alternate", "type":"text/html", "title":"This document as HTML", "href":"https://api.wwdh.internetofwater.app/collections/rise-edr/items/3691?f=html" }, { "rel":"collection", "type":"application/json", "title":"USBR Reclamation Information Sharing Environment (RISE)", "href":"https://api.wwdh.internetofwater.app/collections/rise-edr" } ] }