The following notes should appear in the General Approval Notes section of the Cover page.

1. If more than 12,000 sq. ft. is disturbed a land-disturbing permit will be required prior to the commencement of any land-disturbing activities.
2. If more than 20,000 sq. ft. is disturbed , a sedimentation and erosion control plan must be submitted and approved prior to the issuance of a land-disturbance permit.
3. Tree protection is required by the City/ County Planning Department, tree protection certification must be submitted to the Durham County Erosion Control Division, and tree protection inspection completed prior to land-disturbance permit issuance.
4. If an offsite spoil or borrow site is utilized, the disturbed area must be included in the Land Disturbance Plan and Permit unless already permitted.
5. If the disturbed area exceeds five acres, an improvement security will be required prior to land-disturbing permit issuance.

• 2023 Details Available Here
• Single Family Lot Measures
• Stabilization Timeframes (NEW) 

FLOCCULANTS

•  Flocculant Handout

STANDARD STORMWATER DETAILS