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For specific WDO requirements and for use in construction plan development.
SMC does not recommend using FEMA benchmarks for surveying. Please see Maps Online to use the U.S Geological Survey (USGS), Lake County Division of Transportation and other permanent benchmarks traceable to a USGS standard. In addition, the use of site-specific topographic information tied to a USGS benchmark must be used for all developments including single family homes. The more general countywide topography available on the County's website is not accurate enough for development design.
For Stormwater Best Practices for Homeowners, Businesses, and Stream and Lake Properties please click here.