Webinar:  Regulation 87 - Colorado's New Dredge and Fill Rule

April 7, 2026

Presentation Slides

Presenter:  Scott Garncarz, Work Group Lead for the Dredge and Fill Protection Unit, Water Quality Control Division, Colorado Department of Public Health and Environment (CDPHE) 

View the Recorded Webinar: 

Recovering from Rangeland Fire

  Presenter:  Retta Bruegger, CSU Extension Rangeland Specialist

Recorded: October 21, 2025

View the recorded WEBINAR on

  CSU Water Quality Results from Irrigated Mountain Meadow Monitoring

Recorded February 20, 2025

Presenters: A.J. Brown, CSU Ag Water Quality Program Data Scientist,

and Greg Peterson, CAWA

Topics: 

• Why the study has been conducted.
• The timing of irrigation, fertilization, hay production and grazing.
• Differences in nitrogen and phosphorus levels in the inflows and outflows (runoff).
• Differences in sediment (total suspended solids) loads coming into and leaving fields.
• The effects of manure and commercial fertilizer application on nutrients in outflows.

Recorded Webinar URL:  https://youtu.be/QFFcA2mM0Qo

View the Highlights of the webinar