Residential Stormwater Permitting Requirements

Effective July 1, 2024

All new primary single-family residential dwellings that require a certified plot plan are required to obtain a stormwater grading permit prior to any land-disturbing activities, including installation of a septic system.

Performance standards and pollution prevention requirements to prevent and limit sediment loss from sites is specified in the permit. These standards were previously under the Planning Ordinance, CH 816, but are now found in the Stormwater Management Ordinance (SMO) CH 761.

At time of submission, provide an accurate site plan that clearly shows the proposed location of the home, garage or other structures, entrances, drainage easements, and any special features on the site such as sinkholes or wetlands.

A residential stormwater pollution prevention plan (SWPPP) is also required. This may be depicted on the certified plot plan, and will include downslope perimeter controls, driveway location, concrete washout location, and sinkhole or wetland protection measures.

All projects disturbing one acre or more must also obtain a Construction Stormwater General Permit (CSGP) from the Indiana Department of Environmental Management. The review process for CSGP coverage will happen simultaneously with the review for the County Stormwater Permit. More information can be found on their website: https://www.in.gov/idem/stormwater/construction-land-disturbance-permitting/. For assistance submitting the documentation for CSGP coverage, refer to this guide from IDEM. 

Single family residential projects that are simple in nature, may utilize this CSGP Guidance Document and template.

Timely and accurate submissions will allow the permit reviewer(s) to make a quick review and recommendation of pollution prevention measures.

Stormwater Residential Permit Fees:

$150 flat rate

Stormwater Permitting Process: 

Below you will find the general stormwater permitting process. Once a permit has been issued, you may find this permit compliance guide helpful.

Please contact the Monroe County Stormwater Program with questions about permit applicability and requirements: (812)349-2565, storm@co.monroe.in.us.