The City of Boulder Erosion Control and Grading Permit

  1. Conducts on-site inspections to verify proper implementation of control measures that prevent pollutant discharge in stormwater runoff from the construction site.
  2. Verifies that stormwater control measures (SCMs) for long-term stormwater management are constructed to approved standards.

Applicability:

  • Erosion Control Permit: Required for construction projects that disturb one acre or more of land, are part of a larger common plan of development exceeding one acre or are reasonably expected to exceed one acre based on city review.
  • Grading Permit: Required for projects with greater than 50 cubic yards of cut/fill.

References:

Submittal:

The following documentation needs to be included with the permit application:

  1. Stormwater Management Plan (SWMP), including narrative and erosion control plan following checklist requirements (always required)
  2. State of Colorado Construction Stormwater General Permit, COR400000, certification (always required)
  3. Stormwater and drainage construction drawings, including SCM details (if applicable)
  4. Final drainage report (if applicable)
  5. State of Colorado, Short-Term Construction Dewatering Permit, COG800000, or Short-Term Remediation Permit, COG317000, certification (if applicable and construction activities have pumped discharges to the storm sewer or waterbodies)
  6. Approved City of Boulder Stream, Wetland, and Water Body Permit report (if applicable)

Failure to submit all required documentation may result in processing delays or permit denial.