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A Lot of Dam Data! Using ESRI’s Survey123 and Field Maps Applications to Efficiently Collect Data and Standardize Quarterly Inspection Packages for 30 Dams

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Routine quarterly inspections are integral to meeting Georgia Safe Dams Program (GSDP) requirements and maintaining the long-term health of the 30 dams owned and operated by the Gwinnett County Department of Water Resources’ (GCDWR). Since 2017, Hazen and GCDWR have worked together to regularly update and upgrade the inspection program to meet GCDWR’s evolving needs […]

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Soil and Water Conservation Districts – Dam Breach Inundation Study Updates (DBIZ: Past, Present, & Future)

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The Department of Conservation and Recreation – Division of Soil and Water Conservation in 2019 started to review and update existing Dam Breach Inundation Studies.  Key elements updated include 2015 Virginia Probable Maximum Precipitation Values, 2018 Virginia Probable Maximum Precipitation Temporal Distribution, 2021 USDA-Natural Resources Conservation Service Hydrologic Soils Ratings, Lidar topography, Hec-RAS 2D modeling, […]