Which regulations are relevant to passive systems?
The U.S. Clean Water Act (CWA) may apply if passive structures constructed within boundaries of gully, washes or other drainage features.
Local Regulations related to landscaping, erosion, curb cuts, etc.
State & Local Regulations may require how much rainfall must be held on site to reduce and manage flow of stormwater that leaves site.
State & local regulations may impose limitations on passive structure depth, types of structures, infiltration rates—intended to avoid excessive ponding, address safety hazards to people, avoid mosquito breeding, or other hazards.
Standard 78, as it applies to stormwater.
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