Latest News & Alerts

A serene landscape featuring water reflecting the sky, with distant buildings and a mix of grass and shrubs in the foreground.

Four Square Mile Outfall System Plan (OSP)

The City and County of Denver and the Mile High Flood District, working together with SEMSWA, Arapahoe County, and the City of Aurora, have been studying how water moves through the area, where flooding occurs, and what kinds of improvements are needed to reduce flood risk. Learn more and share your feedback: https://engage-mbakerintl.com/4sq-mile

Lee Gulch Stream Restoration Project

Why? Sediment accumulation is reducing flow capacity, degrading the natural channel, and is blocking culverts. This project will restore this section of drainageway, allow for better flows, and create a more ecologically diverse space

SEMSWA CIP Project Update Presentations

Vegetation Management and Fire Risk in Drainageways

Our Approach to Drainageway Vegetation Management & Reducing Fire Risk

Request for Qualifications 2024-2025

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Cherry Creek Major Drainageway Plan

Please visit the Cherry Creek MDP website (story map format)

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 lead to storm drains, which lead to your neighborhood creek or stream (NOT to water treatment facilities). That means whatever bad stuff you wash off your…