Structural controls may be implemented to help minimize stormwater pollution from your property. Some examples of structural controls include: retention basins, drywells, berms and storm drain filtration systems. Structural controls should be cleaned and properly maintained on a regular basis.
Improper Structural Controls
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| Oily, dirty water leaving the property through fence line. No berm. | Oily parts and dumpster stored near drywell. |
Proper Structural Controls
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| Area is clean and berm was constructed to prevent water from leaving site. | Clean and well maintained drywell. | Clean and well maintained on-site retention basin. |
