| DCP Operating Co, Lucerne 2 Gas Plant | Greeley Area | CO | 7 | $3,965,281 | 12 | March 19, 2025 | echo.epa.gov |
| Fort Lupton Compressor Station | Fort Lupton | CO | 2 | $3,671,675 | 12 | June 7, 2023 | echo.epa.gov |
| Roggen Gas Plant | Roggen | CO | 3 | $3,393,500 | 12 | February 14, 2024 | echo.epa.gov |
| Duke Energy Field Services, Platteville | Platteville | CO | 1 | $1,625,000 | 0 | October 27, 2022 | echo.epa.gov |
| Williams Gas Processing -- Ignacio Plant | Durango | CO | 1 | $1,437,125 | 0 | December 27, 2023 | echo.epa.gov |
| Enterprise Gas Proc, Meeker Gas Plant | Meeker 21.1 MI. W of | CO | 2 | $1,010,500 | 12 | August 22, 2024 | echo.epa.gov |
| Bonanza Creek Energy, North Platte K-22 | Kersey 5.8 MI. E of | CO | 1 | $602,000 | 0 | August 28, 2025 | echo.epa.gov |
| PDC Energy, Evans 7-26 Pad | Evans | CO | 6 | $490,875 | 0 | October 10, 2025 | echo.epa.gov |
| Bonanza CRK State North Platte CPF 42-26 | Kersey 7.1 MI. N of | CO | 3 | $441,000 | 0 | November 10, 2025 | echo.epa.gov |
| Bonanza Creek, Wetco Farms A-4 Pad | Kersey, 5.0 MI SE of | CO | 2 | $434,000 | 0 | April 3, 2025 | echo.epa.gov |
| Bonanza Creek, State Seventy Holes 21-6 | Kersey 8.7 MI. N of | CO | 1 | $341,250 | 0 | November 4, 2025 | echo.epa.gov |
| Prospect Energy, Krause Tank Battery | Fort Collins | CO | 2 | $337,050 | 0 | February 15, 2024 | echo.epa.gov |
| Bonanza Creek, State Antelope CPF O-1 | Kersey 14.0 MI. E of | CO | 4 | $326,900 | 0 | March 24, 2026 | echo.epa.gov |
| PDC Energy, Wiedeman/boomerang Pad | Greeley Area | CO | 6 | $299,250 | 12 | June 9, 2026 | echo.epa.gov |
| Bonanza Creek, State Pronghorn CPF 41-3 | Wiggins 11.6 MI. NW of | CO | 3 | $287,000 | 0 | November 4, 2024 | echo.epa.gov |
| Rocky Mountain Midstream, Auburn CS | Kersey Area | CO | 1 | $282,750 | 0 | March 9, 2023 | echo.epa.gov |
| 1876 Resources, Vail Pad | Johnstown Area | CO | 3 | $273,850 | 0 | September 9, 2025 | echo.epa.gov |
| Highpoint, Siebring 5-63-32 Sene Produc | Kersey Area | CO | 1 | $267,750 | 0 | February 4, 2025 | echo.epa.gov |
| Covalence DJ, 70 Ranch 10 West | Kersey 6.3 MI. N of | CO | 3 | $266,000 | 0 | October 21, 2024 | echo.epa.gov |
| Bonanza, Latham 41-1 Productionfacility | Kersey 8.4 MI. E of | CO | 1 | $249,375 | 0 | December 2, 2024 | echo.epa.gov |
| Bison IV, Anderson / Shull Fa | Raymer (new Raymer) 11.0 MI. N | CO | 1 | $243,250 | 0 | May 26, 2026 | echo.epa.gov |
| Crestone Peak, Lone Tree 4-65 15-16 | Aurora | CO | 2 | $239,925 | 0 | July 22, 2026 | echo.epa.gov |
| Crestone Peak, Grande 4-65 20-19 South | Aurora | CO | 2 | $230,125 | 0 | March 2, 2026 | echo.epa.gov |
| Antelope CPF 13-21 Production Facility | Orchard | CO | 2 | $227,500 | 0 | June 18, 2025 | echo.epa.gov |
| Fulcrum Energy, Bighorn-Mutual 0780 S17 | Walden 11.6 MI. N of | CO | 4 | $223,440 | 0 | May 2, 2025 | echo.epa.gov |
| Citation Oil, Bledsoe (1,5,6&10) TB | Wild Horse Area | CO | 1 | $208,250 | 0 | August 1, 2024 | echo.epa.gov |
| PDC Energy, Lincoln State 3-18 Pad | Severance Area | CO | 4 | $206,500 | 0 | January 8, 2025 | echo.epa.gov |
| Highpoint, Anschutz State 5-62-26_25 | Kersey 12.2 MI. E of | CO | 2 | $197,925 | 0 | September 28, 2023 | echo.epa.gov |
| PDC Energy, Orr State 40-36 Pad | Greeley Area | CO | 4 | $197,050 | 0 | March 11, 2026 | echo.epa.gov |
| Troudt 18-27 Pad | Greeley | CO | 2 | $193,375 | 0 | January 8, 2025 | echo.epa.gov |
| Bonanza, Latham 11-13 Prod Facility | Kersey 8.5 MI. N of | CO | 1 | $182,000 | 0 | September 4, 2024 | echo.epa.gov |
| PDC Energy, Inc., Sanford 21-29 Pad | Evans Area | CO | 1 | $181,475 | 0 | January 8, 2025 | echo.epa.gov |
| Bayswater E&p, Leffler 13, 14, 23, 24-2 | Ault Area | CO | 1 | $179,375 | 0 | March 11, 2026 | echo.epa.gov |
| Civitas North, Stampede 8-60 | Grover 13.0 MI. N of | CO | 1 | $178,500 | 0 | September 1, 2026 | echo.epa.gov |
| Extraction Oil and Gas, Pavistma North | Windsor Area | CO | 1 | $170,625 | 0 | November 7, 2025 | echo.epa.gov |
| Crestone Peak, Harvard 1h/blanca 1H | Aurora 2.4 MI. SE of | CO | 1 | $168,000 | 0 | October 9, 2025 | echo.epa.gov |
| PDC Energy, Falken 9-11 | Eaton Area | CO | 3 | $166,600 | 0 | August 26, 2024 | echo.epa.gov |
| Extraction, Windsor LV2 Prod Facility | Severance Area | CO | 1 | $157,500 | 0 | March 9, 2026 | echo.epa.gov |
| PDC Energy, Chalk-Seeley Federal 26 Sec | Greeley Area | CO | 1 | $157,500 | 0 | September 16, 2026 | echo.epa.gov |
| PDC Energy, Schaefer Pad | Brighton Area | CO | 1 | $157,500 | 0 | March 9, 2026 | echo.epa.gov |
| Williams Gilcrest, Wiedeman C.S. | Gilcrest Area | CO | 1 | $157,500 | 0 | December 10, 2024 | echo.epa.gov |
| Rocky Mountain Midstream, Lochbuie C.S. | Lochbuie Area | CO | 2 | $150,500 | 0 | June 9, 2026 | echo.epa.gov |
| Crestone Peak, Rush 4-65 29-30 South | Aurora | CO | 1 | $147,875 | 0 | December 16, 2024 | echo.epa.gov |
| Encana Oil & Gas (USA), Inc., Gasaway | Debeque, 19.5 MI NW of | CO | 1 | $144,375 | 0 | January 23, 2025 | echo.epa.gov |
| DCP Operating Co, Enterprise C.S. | Kersey | CO | 3 | $132,834 | 12 | April 13, 2026 | echo.epa.gov |
| Bonanza Creek, North Platte Section 34 | Kersey 6.3 MI. E of | CO | 1 | $131,250 | 0 | March 4, 2026 | echo.epa.gov |
| Bonanza Creek, Pronghorn 14-11-7HZ | Kersey 14.3 MI. E of | CO | 1 | $131,250 | 0 | September 4, 2024 | echo.epa.gov |
| Rep Processing, Severance Comp Station | Ault Area | CO | 2 | $129,500 | 0 | March 28, 2025 | echo.epa.gov |
| PDC Energy, Harvesters State 7-15 | Greeley Area | CO | 3 | $128,625 | 0 | January 8, 2025 | echo.epa.gov |
| PDC Energy, Goetzel 7-29 & 25-29 | Greeley Area | CO | 3 | $126,350 | 12 | August 26, 2024 | echo.epa.gov |
| Dunamis Energy, Canadian Slang Well Pad | Severance 2.1 MI. N of | CO | 2 | $122,850 | 0 | November 15, 2023 | echo.epa.gov |
| PDC Energy, Eberle Pad | Brighton Area | CO | 1 | $120,750 | 0 | October 1, 2025 | echo.epa.gov |
| Extraction Oil & Gas, Raindance PF | Windsor | CO | 1 | $118,125 | 0 | November 4, 2025 | echo.epa.gov |
| Crestone Peak, Prosper Farms 4-65,11-12 | Aurora Area | CO | 2 | $115,500 | 0 | September 30, 2023 | echo.epa.gov |
| PDC Energy, Ward 20 Sec HZ | Greeley | CO | 1 | $113,750 | 0 | August 26, 2024 | echo.epa.gov |
| PDC Energy, Kodak South 26 Sec | Windsor Area | CO | 1 | $112,875 | 0 | March 9, 2026 | echo.epa.gov |
| Spellbound Energy, Akbary / 1A Pad | Nunn Area | CO | 2 | $110,250 | 0 | February 18, 2026 | echo.epa.gov |
| Bonanza Creek Energy, Whitetail CPF A-4 | Kersey 14.2 MI. NE of | CO | 3 | $107,625 | 0 | May 26, 2026 | echo.epa.gov |
| Crestone Peak, Aspen 3-65 15-14 2DH | Aurora | CO | 1 | $105,350 | 0 | December 8, 2023 | echo.epa.gov |
| Bonanza CRK Energy, North Platte 24-34 | Kersey 6.1 MI. N of | CO | 1 | $105,000 | 0 | June 23, 2022 | echo.epa.gov |
| Crestone Peak, Property Reserve 4-65 3- | Aurora | CO | 1 | $105,000 | 0 | September 30, 2023 | echo.epa.gov |
| Crestone Peak, State La Plata 5-65 | Watkins Area | CO | 1 | $105,000 | 0 | February 21, 2024 | echo.epa.gov |
| Highpoint, Anschutz Equus Farms 4-62-28 | Orchard 11.6 MI. N of | CO | 1 | $105,000 | 0 | July 29, 2024 | echo.epa.gov |
| PDC Energy, Dittmer Ke Pad | Brighton Area | CO | 1 | $105,000 | 0 | August 12, 2026 | echo.epa.gov |
| QB Energy Operating, K24 496 | Parachute 15.5 MI. N of | CO | 1 | $105,000 | 0 | January 23, 2025 | echo.epa.gov |
| Summit Dj-O Operating, Makena Gas Plant | Grover 16.1 MI. N of | CO | 2 | $99,400 | 0 | February 5, 2026 | echo.epa.gov |
| Prairie Operating Co, Calvary Farms S | Eaton Area | CO | 1 | $98,700 | 0 | June 5, 2026 | echo.epa.gov |
| DCP Operating Co, O'connor Gas Plant | Kersey Area | CO | 1 | $96,250 | 0 | January 24, 2024 | echo.epa.gov |
| Bonanza Creek, French Lake 3-63-14-3H | Keenesburg 7.9 MI. NE of | CO | 1 | $94,500 | 0 | May 8, 2025 | echo.epa.gov |
| Magpie Oper, Magpie Compressor Site | Johnstown | CO | 1 | $92,925 | 12 | October 21, 2023 | echo.epa.gov |
| PDC Energy Inc, California 14 Sec HZ | Eaton Area | CO | 1 | $91,875 | 0 | April 28, 2025 | echo.epa.gov |
| Evergreen Well Services, Burro Canyon | Cokedale, 7.3 MI NW of | CO | 2 | $88,200 | 0 | March 21, 2023 | echo.epa.gov |
| Dragon Trail Gas Plant | Rangely | CO | 1 | $87,500 | 12 | July 6, 2025 | echo.epa.gov |
| DCP Operating Co, Northstar C.S. | Eaton 3.4 MI. N of | CO | 1 | $87,500 | 0 | December 2, 2022 | echo.epa.gov |
| Prairie Operating, Calvary Farms North | Eaton Area | CO | 1 | $87,500 | 0 | June 5, 2026 | echo.epa.gov |
| PDC Energy, Market Federal 18 Sec HZ | Ault Area | CO | 1 | $86,975 | 0 | April 28, 2025 | echo.epa.gov |
| QB Energy Operating, K8W PF | Rifle 4.1 MI. S of | CO | 1 | $85,750 | 0 | January 23, 2025 | echo.epa.gov |
| Prairie Operating, Noble Tank Battery | Mead Area | CO | 1 | $84,350 | 0 | January 27, 2026 | echo.epa.gov |
| Highpoint, Anschutz Equus Farms 4-62-33 | Kersey 12.8 MI. SE of | CO | 2 | $84,175 | 0 | September 28, 2023 | echo.epa.gov |
| Crestone Peak, Mustang Booster Station | Aurora | CO | 2 | $82,250 | 0 | May 28, 2026 | echo.epa.gov |
| PDC Energy, Hood 20 Sec | Greeley Area | CO | 4 | $80,675 | 0 | January 15, 2023 | echo.epa.gov |
| Noble Energy, Lilli Gas Proc. Plant | Raymer | CO | 3 | $80,500 | 0 | June 25, 2024 | echo.epa.gov |
| Bison IV Operating, Shoveler Pad | Briggsdale Area | CO | 1 | $80,500 | 0 | May 26, 2026 | echo.epa.gov |
| Petro Operating, Homestead 01N-66W-34 | Brighton | CO | 1 | $80,500 | 0 | April 13, 2026 | echo.epa.gov |
| Crestone Peak, Pony Station | Aurora Area | CO | 1 | $78,750 | 0 | May 23, 2025 | echo.epa.gov |
| Highpoint, Rsu Anschutz Fed 4-61-4 NW | Orchard 5.5 MI. N of | CO | 1 | $78,750 | 0 | September 18, 2026 | echo.epa.gov |
| Highpoint, Wetco 4-63-4 SW Production | Kersey 5.2 MI. N of | CO | 1 | $78,750 | 0 | December 13, 2023 | echo.epa.gov |
| Crestone Peak, Tebo 33-1H | Aurora 4.1 MI. SE of | CO | 1 | $78,225 | 0 | July 22, 2026 | echo.epa.gov |
| Patara Midstream LLC, Andys Mesa Gas Plant | Egnar | CO | 1 | $77,700 | 12 | June 18, 2025 | echo.epa.gov |
| Bison IV, Critter Creek 24-1 Production | Grover 8.0 MI. N of | CO | 1 | $77,000 | 0 | January 12, 2023 | echo.epa.gov |
| DCP Operating Co, Bernhardt C.S. | Milliken Area | CO | 1 | $77,000 | 0 | October 18, 2022 | echo.epa.gov |
| Magpie Operating, Bunker 8 Pad | Loveland Area | CO | 1 | $77,000 | 0 | December 15, 2025 | echo.epa.gov |
| Noble Energy, Heartland State Econode | La Salle 6.7 MI. SE of | CO | 1 | $77,000 | 0 | April 29, 2024 | echo.epa.gov |
| Crestone Peak, Big Sandy 3-65 36-31 1D | Aurora | CO | 1 | $75,950 | 0 | August 28, 2025 | echo.epa.gov |
| Highpoint, CVR 5-63-32 Pad | Kersey 3.9 MI. E of | CO | 1 | $75,250 | 0 | August 22, 2022 | echo.epa.gov |
| Crestone Peak -State Elbert 1h/state Ma | Aurora Area | CO | 1 | $73,500 | 0 | February 26, 2024 | echo.epa.gov |
| PDC Energy, Mcnear 10-9 Pad | Greeley Area | CO | 5 | $72,625 | 0 | August 11, 2026 | echo.epa.gov |
| QB Energy Operating, Story Gulch C.S. | Parachute 13.8 MI. N of | CO | 1 | $71,750 | 12 | April 11, 2024 | echo.epa.gov |
| Crestone Peak, Watkins 4-64 19-1H | Aurora 3.0 MI. E of | CO | 1 | $70,000 | 0 | September 25, 2023 | echo.epa.gov |
| Ausco, Apache Gold, Wooly Bugger 34-20 | Williamsburg Area | CO | 1 | $66,500 | 0 | October 18, 2022 | echo.epa.gov |