Latest News & Alerts

Takin' it to the streets! It may surprise you to hear that streets are fundamental to managing stormwater. But “City Right-of-Way” or ROWs are the initial channel for storm drainage after rain. Streets are designed for rain or snowmelt to flow to the gutters which...

Where:  Located between S. Chambers Rd. and S. Jordan Rd. and, south of E. Mineral Ave.  Just north of the Arapahoe-Douglas County Line along the Green Acres Tributary to the confluence of Happy Canyon Creek southwest of Jordan Rd.What/Why: Channel stabilization and...

GESC MANUAL, SMM: CHAPTER 14 (STORMWATER QUALITY), AND MAINTENANCE AGREEMENT A PUBLIC HEARING WAS CONDUCTED BY THE SEMSWA BOARD ON JUNE 26TH TO CONSIDER ADOPTION OF REGULATIONS AS THEY RELATE TO SEMSWA'S MS4 PERMIT, INCLUDING: Approval of the Post Construction...

Revisions are being made to the Stormwater Management Manual (SMM) for the purpose of updating standards and to create a common SMM with Arapahoe County. Please visit our webpage dedicated to this effort for updates. Most Popular Pages First list item Second list item...

FRONT RANGE RESIDENTS CAN TAKE SIMPLE STEPS TO REDUCE POLLUTION OF OUR WATERWAYS AND STORM DRAIN SYSTEM. Our day-to-day activities have the potential to negatively impact water quality. Leaking automotive fluids, fertilizer, leaves and grass clippings from our yards,...

Where: E. Arapahoe Rd trail underpass at Little Dry Creek, approximately one-half mile west of S. Quebec St. Who: Trail users What: Closure of trail underpass on Little Dry Creek.  SEMSWA will be placing signs and barricades at the entrance and exit to the trail...