| Well type | Monitoring aquifer | Site name | Installed date | Well depth (m) | Location | Site description |
| Shallow well | South Platte Alluvial Aquifer | ARDEC (control) | 2/12/2014 | 7.62 | Northern Fort Collins, CO | Surrounded by agricultural area with no active oil and gas wells |
| CHILL | 2/03/2014 | 9.14 | Northeast Greeley, CO | Surrounded by agricultural area with active oil and gas wells | ||
| Gilcrest | 6/07/2014 | 7.62 | South western La Salle, CO | |||
| La Salle | 10/31/2014 | 18.3 | Southeast La Salle, CO | |||
| Deep well | Laramie Fox Hill | Galeton | 3/27/2014 | 114.3 | Northeast Eaton, CO | Surrounded by active oil and gas wells |