Review Time (Construction Stormwater Permit)

Review Time (Construction Stormwater Permit) • 1. SWMP

Review Time (Construction Stormwater Permit) • 1. SWMP • 2. Implement BMPS

Review Time (Construction Stormwater Permit) • 1. SWMP • 2. Implement BMPS • 3. Maintain BMPS

Review Time (Construction Stormwater Permit) • 1. SWMP • 2. Implement BMPS • 3. Maintain BMPS • 4. Remove Temporary BMPS

Review Time (Construction Stormwater Permit) • 1. SWMP • 2. Implement BMPS • 3. Maintain BMPS • 4. Remove Temporary BMPS • 5. Inspections

Review Time (Construction Stormwater Permit) • 1. SWMP • 2. Implement BMPS • 3. Maintain BMPS • 4. Remove Temporary BMPS • 5. Inspections • 6. Record Keeping

Review Time (Construction Stormwater Permit) • 1. SWMP • 2. Implement BMPS • 3. Maintain BMPS • 4. Remove Temporary BMPS • 5. Inspections • 6. Record Keeping • 7. Final Stabilization

Colorado’s Stormwater ProgramPermitting & Compliance Colorado Department of Public Health and Environment Water Quality Control Division www.cdphe.state.co.us/wq/PermitsUnit Kathy Rosow: 303-692-3521 Matt Czahor: 303-692-3575

E. SWMP contents (5 parts) • 1. Site Description • Clear description of the construction activity that addresses ALL the items (8) required by the permit

E. SWMP contents (5 parts) 2. Site Map Legible, complete and up-to-date map that addresses ALL the items (8) required by the permit State ECS training 9/07 26

E. SWMP contents (5 parts) • 3. Stormwater Management Controls Narrative description of all stormwater management controls: before, during, and after construction. Must minimally describe/identify items ALL the items (3) required by the permit • a. SWMP administrator • b. Identification of Potential Pollutant Sources

E. SWMP contents (5 parts) • 3. Stormwater Management Controls (continued) • c. BMPs and associated installation details 1. Structural BMPs 2. Non-Structural BMPs 3. How BMP implementation will be phased 4. Materials Handling and Spill Prevention 5. Dedicated Concrete or Asphalt Batch Plants 6. Vehicle Tracking Control 7. Waste management/disposal, including concrete washout 8. Groundwater and stormwater dewatering

E. SWMP contents (5 parts) • 4. Plan for Final Stabilization • All ground disturbing activities complete; and all disturbed areas built upon, paved, or hard armored, orestablished uniform vegetative cover with a density of at least 70% of predisturbance levels. • More detail than you think: • What type of cover will be used? • Specific seed mixtures and application rates? • Will the soil need to be amended? • Special methods on steep slopes/concentrated flow?

E. SWMP contents (5 parts) • 5. Inspection and Maintenance • Procedures to inspect and maintain BMPs • Inspections • Minimum: every 14 days and within 24 hours after precipitation events or snow melts. • Exception for temporarily idle sites – up to 72 hours following storm event. • Keep an inspection log. • Minimum requirements identified. • BMP maintenance – immediately in most cases

Review Time (Construction Stormwater Permit)