Community
Culvert Lining Presentation
Sorry, but you do not have permission to view this content.Discharges of Dredged and Fill Material into State Waters & Regulation 87
Regulation 87 – HB24-1379 directs the Water Quality Control Division to develop a dredge and fill authorization program and the Water Quality Control Commission to establish permitting and mitigation rules by Dec. 31, 2025. The outcome will be Regulation No. 87, a control regulation for avoiding, minimizing, and mitigating the impacts of dredge and fill activity in Waters of the State in Colorado.
Urban Storm Drain Cleaning
Experts from Denver and Longmont share their best management practices for tracking and managing storm drain cleaning.
Earth Day & Spring Cleanups
Tuesday, April 22, 2025 is the annual Earth Day. Throughout the globe communities will be celebrating and raising awareness through family-friendly festivals, fairs, recycling events and workshops. Most events are on Saturday the 19th, see our Community Calendar of Events below for more information about nearby Earth Day celebrations and upcoming stormwater events.
Fall Leaves & Yard Litter Best Management Practices
Fall leaves and yard litter can migrate to our waterways via stormwater runoff serving as a source of nutrient and sediment pollutants.
The Supreme Court has ruled that two common NPDES permit provisions are invalid: So what’s next?
The Supreme Court’s ruling in San Francisco v. EPA provides some protections against liability for conditions beyond the permittee’s control, but stormwater managers should be aware of state law requirements and other potential pitfalls. This article on Stormwater Solutions by Dana Dean and Christopher D. Jensen reviews the case and how it might impact NPDES permits.
