Douglas County – Castle Rock Ops

Tierra Group updated the County’s Standard Operating Procedures (SOPs) for Municipal Operations to maintain the County’s compliance with the requirements for stormwater discharges from the County’s municipal separate storm sewer system (MS4) under the Colorado Discharge Permit System (CDPS). Tierra Group updated Runoff Control Plans (RCPs) for the Castle Rock Ops facility to reflect site improvements that affect each site’s stormwater management system.

Project Highlights

  • Standard Operating Procedures
  • Runoff Control Plan

Project Photos

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