Below is a current list of registrants.
| Full Name | Company |
|---|---|
| Dave Pyle | City of Aurora |
| Mike Earnest | City of Aurora |
| Jared Coleman | City of Aurora - Public Works |
| Brad Richardson | City of Aurora - Public Works |
| Richard Ommert | City of Aurora - Public Works |
| Janet Bender | City of Aurora - Public Works |
| Laurel Olsen-Horen | City of Boulder |
| Ward Bauscher | City of Boulder |
| Kevin Muller | City of Boulder |
| Kevin Koryto | City of Boulder |
| Candice Owen | City of Boulder |
| Douglas Sullivan | City of Boulder |
| Robby Glenn | City of Boulder |
| Tyler Purvis | City of Brush! |
| Randy Mettlen | City of Brush! |
| Adam Lancaster | City of Canon City |
| Timothy Biolchini | City of Colorado Springs, Water Resources Engineering Division |
| Jeffrey Dunn | City of Colorado Springs, Water Resources Engineering Division |
| Erin Powers | City of Colorado Springs, Water Resources Engineering Division |
| Kevin Binkly | City of Colorado Springs, Water Resources Engineering Division |
| Adam Copper | City of Colorado Springs, Water Resources Engineering Division |
| Betsy Suerth | City of Delta |
| Keith Dougherty | City of Durango |
| Jeni Nicovich | City of Durango |
| Dan Mogen | City of Fort Collins |
| Sandra Bratlie | City of Fort Collins |
| Heidi Hansen | City of Fort Collins |
| Theodore Bender | City of Fort Collins |
| Beck Anderson | City of Fort Collins |
| Basil Hamdan | City of Fort Collins Utilities |
| Ben Sheets | City of Fountain |
| Ken Haley | City of Fruita |
| Tracey Pond | City of Golden |
| Rick Dorris | City of Grand Junction |
| Jarrod Whelan | City of Grand Junction |
| Karen Reynolds | City of Greeley |
| Andrew Fisher | City of Greeley |
| Thomas Gilbert | City of Greeley Community Development |
| Josh Morin | City of Greenwood Village |
| Suzanne Moore | City of Greenwood Village |
| Eric Jansen | City of Gunnison |
| William (Matt) Knight | City of Lafayette |
| Ken Nyhoff | City of Lakewood |
| Alan Searcy | City of Lakewood |
| Cameron Fowlkes | City of Longmont |
| Doug Gossett | City of Longmont |
| Kevin Gingery | City of Loveland |
| Pam Acre | City of Northglenn |
| Brian Prunty | City of Rifle |
| Craig Spaulding | City of Rifle |