Stormwater

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The Chatham County Stormwater Management Ordinance requires that a stormwater plan be submitted for projects  that will exceed 20,000 square feet of land disturbance. This requirement applies to all new development and redevelopment within County jurisdiction, including private, public, state, and federal development not covered by a separate NPDES permit. Stormwater Management Plans must address the following:

• Capture and treat runoff volume for the 1-year, 1-hour storm event
• Minimum removal of 85% of Total Suspended Solids (TSS)
• Post development peak flow discharges not to exceed the pre-development rates for 1-, 2-, 5-, 10-, and 25- year, 24-hour storm events

Stormwater Management Plans are to be submitted to the Watershed Protection Division for review and approval prior to any land-disturbing activity. The current fee for review and permitting is $250.00 per disturbed acre.

Useful Links:

Stormwater Application

Stormwater Fees

As-Built Submittals

Chatham County GIS

NCDEQ

Web Soil Survey

Jordan Lake Information

General Environmental Documentation Submittal Form

Environmental Review Advisory Committee

Clean Water Education Partnership