Upcoming Webinar on
Regulation 87 - Colorado's New Dredge and Fill Rule
12:00 to 1:00 pm on April 7, 2026

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)
The webinar will cover:
- Why Colorado created its own dredge and fill regulatory program
- Current Status of the Program;
- General Overview of Regulation 87;
- Exemptions and Exclusions, including those specific for Agriculture;
- Temporary Authorizations, General Authorizations & Individual Authorizations;
- Isolated State Water General Authorizations;
- After-the-Fact Authorizations & Enforcement;
- Overview of fees
Register for the webinar in advance at:
https://us02web.zoom.us/meeting/register/RfPKcjFtSJSPHfH6RKbRqw
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