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CONSTRUCTION & POST CONSTRUCTION STORMWATER MANAGEMENT

CONSTRUCTION & POST CONSTRUCTION STORMWATER MANAGEMENT

The construction site runoff control program is meant to reduce pollutants in stormwater runoff from construction activities.  The Town's stormwater permit requires construction site operators to implement erosion and sediment control BMPs and to control waste such as discarded building materials, concrete truck washout, chemicals, litter and sanitary waste at the construction site that may cause adverse impacts to water quality.  Rowan County Environmental Management administers the Soil Erosion and Sediment Control Ordinance on behalf of the Town.  For more information, contact Rowan Counties Environmental Specialist or visit www.rowancountync.gov/1458/Erosion-Control.com.
 
Greg Greene
Planning and Development Specialist
704-216-8591
Greg.Greene@rowancountync.gov 

Phase II Post Construction Requirements for Developers: 
The Phase II Stormwater Requirements shall be followed to comply with the North Carolina Environmental Management Commission and the Federal Water Pollution Control Act for Stormwater Regulations.  Any new development or redevelopment which disturbs one or more acres shall be required to adhere to the guidelines set forth in this section.  Projects which disturb less than an acre but are part of a larger common plan of development shall also follow the Phase II Stormwater Requirements.
 
Stormwater Control Measures (SCM’s) shall be designed and implemented per the Design Manual. Development shall adhere to the North Carolina Department of Environmental Quality (NCDEQ), Division of Energy, Mineral and Land Resources (DEMLR) Rules and Regulations.  Acceptable design methods shall comply with the NCDEQ DEMLR Stormwater Design Manual, latest edition at the time of permitting review.  Development and redevelopment shall meet the minimum standards for post-development stormwater management as set forth by the State of North Carolina, NCDEQ.  Refer to Rule 15A NCAC 02H .1017. 
          
The major goal of the post-development requirements is to achieve pre-development stormwater runoff quantity and quality in order to reduce erosion, pollution and increased temperatures in streams and water sources.
 
SCMs, designed per the Design Manual, shall be used for post-construction stormwater runoff controls for projects determined to be high-density (greater than 24% impervious area).  Refer to Rule 15A NCAC 02H .1003(3).
 
Low-density projects shall require deed restrictions and conveyances to ensure the amount of built-upon area will not be increased.  Refer to Rule 15A NCAC 02H .1003(2).
 
Vegetated Setbacks from perennial streams, intermittent streams, and waterbodies shall be in place and be at least 30 feet in width.  Refer to Rule 15A NCAC 02H .1017(10).
 
Unless exempt per this Ordinance, a Stormwater Permit is required for all development and redevelopment.  A permit will be issued upon a properly submitted and reviewed and approved application package.  Submittal requirements for stormwater permitting review shall contain the following:
 
1. Permit Application.
 2. Application Fee.
 3. Vicinity Map.
 4. Copy of the Property Deed.
 5. Detailed Narrative Stormwater Report.
 6. Design Calculations.
 7. NCDEQ Supplement Form for each SCM.
 8. Operation and Maintenance Agreements signed and notarized.
 9. Deed Restrictions if proposed.
 10. Two Sets of Construction Plansets.
 11. Soils Report for sites which propose infiltration SCM.