Description: A channel constructed across a slope with a supporting ridge on the lower side to control drainage by diverting excess water from an area to improve water quality. Benefits may include reduced soil erosion, sedimentation, and pollution from dissolved and sediment-attached substances.
CCAP Diversion Policy
Requirements for all CCAP Practices
Maintenance Period: 5 years single-family home, 10 years all other properties.
Additional Spot Check Requirements: None
BMP Units: Square Feet
Cost Information: Most components are cost shared at 75% of average cost. See CCAP Average Cost List for details.
CS2 Project Description examples
Expected Results:
Soil loss reductions - Use RUSLE2
Reference Materials:
NC-CCAP 11 Signature Page
Map with BMP location, fields, and roads
| CS2 Common Components | Units |
|---|---|
| Excavation (including mobilization) | SqFt |
| Vegetation (grass) | SqFt |
| Filter cloth - geotextile fabric | SqYd |
| Vegetation - mulch, netting | SqFt |
| Matting - excelsior, installed | SqYd |
| Diversion - engineering | Job |
JAA:
Requires a Professional Engineer stamped design.
Refer to the SWCC JAA Application Requirements for details.