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Post-Construction Stormwater Management



Requirements*** submit only 1 copy 24 x 36 drawings and calculations and other paperwork.

Also, please provide 1 electronic PDF copy of drawing and all calculations and other paperwork .

Ordinances and Design Manuals

Please visit the Henderson County Code of Ordiances Page for our latest updated ordinances.

A New BMP Manual is available on DEQ website for stormwater phase II post-construction. Henderson

County uses this manual for the requirements of it's stormwater phase II post-construction program.

More information can be found at https://deq.nc.gov/sw-bmp-manual. If you have any questions

or concerns contact Natalie J Berry PE direct at (828) 694-6521.

Henderson County allows Storm LID and Storm EZ, the information about this program can be found here.

NEW FEES starting July 1, 2016 click here for more information.

Areas subject to the Stormwater Phase II Post-Construction program can be found at this link. Once you find your address the map will let you know the permitting authority for your project.

All Stormwater Forms can be found here.

Stormwater Application Form and Design Checklist required to be completed for submital. Reference the instructions when completing the application. Refer to the Fiscal Year Fees and Charges Manual for correct fees.

The purpose of the post-construction stormwater management program is to manage stormwater runoff from new development/redevelopment that drains to a permitted stormwater system and disturbs an acre or more of land surface, including projects less than an acre that are part of a larger common plan of development or sale. We recommend reintroducing runoff from impervious surfaces into the natural environment as close to the surfaces as possible. The program also is required to provide a mechanism to ensure long-term operation and maintenance of BMPs and that controls are in place to minimize water quality impacts.

Henderson County adopted and approved a post-construction stormwater management ordinance, included in the Code of Ordiances, on September 1, 2010. Henderson County enforces and implements the requirements of the ordinance for post-construction stormwater management and only allows the use of stormwater quality BMPs designed in accordance with the NCDENR Stormwater Best Management Practices Manual unless prior approval has been obtained from the DEQ's NEST Program. Additionally, Henderson County requires annual operation and maintenance (O&M) reports from BMP owners and implements long term O&M by legal documentation.



Required Stormwater Forms for all Structural Stormwater BMP's can be found on the stormwater forms page here.


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