{
  "projectDescription": "Sunnyside Dam Design Alternative Analyses: This project will advance a robust public engagement with key water users and stakeholders to help guide data collection and analysis and lay the groundwork for the alternative design development for options that improve fish passage at this barrier to downstream smolt survival. Existing knowledge and initial discussions with stakeholders have identified the need to evaluate the effect of alternatives on smolt entrainment and sediment continuity at this irrigation diversion in the Lower Yakima River Basin.This project is part of a significant award to improve fish passage to the entire Yakima watershed by working to address four barriers along the lower Yakima River, as well as barriers in two steelhead priority sub-basins, Toppenish Creek and the Teanaway River. This project plans to 1) Identify alternatives and complete project designs for the four lower Yakima River low head dams that will bring the dams into compliance with NOAA fish passage guidelines, potentially increasing overall survival for juvenile salmon and steelhead by 15-40%; Reduce the average number of weeks that fish ladders are blocked, halting upstream passage, from 14 days to 0; 3) Open 36 miles of high quality habitat on Toppenish Creek for juvenile salmon and steelhead seeking to migrate upstream from the warming lower intermittent reaches in early summer; and 4) Open two miles of salmon and steelhead habitat on Middle Creek in the Teanaway Basin.",
  "program": "BIL - FP",
  "name": "Yakima River Basin Fish Passage Improvements - Sunnyside Dam Design Improvements",
  "id": "5953",
  "state": "Washington",
  "state_abbr": "WA",
  "region": "NWR - Northwest",
  "constructionStartDate": "2026-10-30 00:00:00.0",
  "nepaStatus": "In Progress/Phased",
  "nepaCompliance": "Programmatic EIS for RC",
  "fedLeverage": "0",
  "nonFedLeverage": "0",
  "accompReportStatus": "In-Progress",
  "accompReportDate": "2028-09-30 00:00:00.0",
  "accompAcresMilesFlag": "Y",
  "accompVolFlag": "Y",
  "accompDebrisFlag": "Y",
  "status": "Planning",
  "locations": [
    {
      "latitude": "46.497628",
      "longitude": "-120.445",
      "county": "Vermilion Parish",
      "city": "Abbeville",
      "congDistrict": "3",
      "riverBasin": "Shell Reefs-Frontal Gulf of Mexico",
      "huc": "80801030501"
    }
  ],
  "species": [
    {
      "species": "mykiss",
      "genus": "Oncorhynchus",
      "commonName": "Trout, steelhead",
      "populationName": "Middle Columbia River",
      "listingStatus": "Threatened",
      "nmfsManagedFlag": "N"
    },
    {
      "species": "tshawytscha",
      "genus": "Oncorhynchus",
      "commonName": "Salmon, Chinook",
      "populationName": "Mid-Columbia River Spring-run",
      "listingStatus": "Not Listed",
      "nmfsManagedFlag": "N"
    }
  ],
  "partners": [
    {
      "name": "US Bureau of Reclamation"
    },
    {
      "name": "Bonneville Power Administration"
    },
    {
      "name": "US Bureau of Indian Affairs"
    }
  ],
  "strategies": [
    {
      "name": "Fish Passage",
      "primaryFlag": "Y"
    }
  ],
  "photos": [
    {
      "id": "243203",
      "name": "243203_BIL24-YakimaRiver-ChrisPerra-YakamaNation.JPG",
      "webpageNumber": "1",
      "caption": "In the Lower Yakima River Basin, Prosser Dam, Chandler Diversion, Chandler Canal, and the fish bypass system visible in this photo all negatively impact fish passage.",
      "credit": "Yakama Nation",
      "imageType": "Project Photo",
      "feature": "N",
      "creditIndividual": "Chris Perra"
    },
    {
      "id": "243204",
      "name": "243204_BIL24-YakimaRiver-ChrisPerra-YakamaNation2.jpg",
      "webpageNumber": "2",
      "caption": "A view from downstream of the recirculating hydraulic conditions fish encounter when trying to migrate through the Chandler Diversion. All four lower Yakima River diversion dams have similar undershot headgates.",
      "credit": "Yakama Nation",
      "imageType": "Project Photo",
      "feature": "N",
      "creditIndividual": "Chris Perra"
    }
  ],
  "techniques": [
    {
      "name": "Fishway / fish ladder"
    },
    {
      "name": "downstream passage structures"
    },
    {
      "name": "River diversions"
    },
    {
      "name": "Dam modification (including replacement)"
    },
    {
      "name": "Berm/dike modification (including replacement)"
    },
    {
      "name": "Weir construction"
    }
  ],
  "monitoring": [
    {
      "monitorResultId": "81ABA2CC-1402-F111-8407-001DD800B5CB",
      "tier1Agreement": "Y",
      "tier1CompleteDt": "2028-09-30 00:00:00.0",
      "tier1CompleteFlag": "N",
      "tier1Flag": "Y",
      "tier2Flag": "N"
    }
  ],
  "funding": [
    {
      "mechanism": "NOAA Restoration Center",
      "activityType": "Engineering and Design",
      "fyAwarded": "2024",
      "noaaContribution": "135,000.0",
      "noaaFundingFlag": "N",
      "sourceProgram": "BIL - Bipartisan Infrastructure Law Round 2"
    }
  ]
}