Monroe County, Indiana

All land-disturbing activities must properly install and maintain erosion and sediment controls maintain compliance with the Clean Water Act, state regulations, and the Monroe County Stormwater Management Ordinance, MCSMO Chapter 761. At minimum, all land-disturbing activities must meet the following:

• Silt Fence or other perimeter control measure: Installed prior to any land disturbing activities on site. Fabric must be trenched in, and be free of any tears, holes, or any damage that would cause it to be ineffective.
• Concrete and Cementitious Washwater: Above ground washouts only. Must be clearly marked and used for concrete waste only.
• Ingress/Egress: Equipment is only allowed to access the site through the approved driveway. Maintain the driveway as a stabilized construction ingress/egress.
• Tracking and Off-Site Discharges: Any sediment tracked off site, must be swept (not flushed) off the road by the end of the business day. Off-site discharges of sediment must be remediated by the end of the business day.
• Spill Response: No vehicle fueling, storage of fuel, or repair of equipment is allowed on site. All spills must be cleaned up immediately and reported according to local, state, and federal regulations.
• Karst: New sinkholes that develop as a result of construction must be reported to the MS4 Coordinator within 24 hours of discovery. Immediately protect the sinkhole with erosion control measures. Filling of new sinkholes requires MS4 Coordinator approval.
• Stabilization: Permanently stabilize areas at final grade within 7 days. Temporary stabilization is required for disturbed areas left inactive for more than 7 days. Any disturbance caused on adjacent properties must be repaired and stabilized.
• Slopes Greater Than 12%: redundant erosion control measures or engineered erosion control design may be required.

The property owner is responsible for making sure all erosion control measures are adequate and maintained throughout construction.

Silt Fence as a perimeter control measure

These silt fences have not been maintained, and can no longer effectively trap sediment.

Sediment Basins

These sediment basins are full of sediment. They need to be cleaned out so they can continue to trap sediment.

Inlet Protection

This inlet is not protected, and sediment can be discharged to lakes and streams.

Filter Berms

This filter berm has not been properly installed. Water run off and sediment can still escape the construction site. 

Track-out Controls

This site needs better track-out controls to prevent vehicles from carrying sediment off site.