| ARKANSAS R #3B (I-25 To PUEBLO DAM) | southeast | CO | — | 4,742 ft |
| Adams County Fishing Pond, East | northeast | CO | 2026-02-26 | 5,050 ft |
| Alexander Lake | southwest | CO | 2025-06-18 | — |
| Allen Park Lake | northeast | CO | 2024-05-14 | 4,765 ft |
| Alta Lake Lower | southwest | CO | 2023-06-23 | 11,221 ft |
| Andrews Lake | southwest | CO | 2025-08-15 | 10,749 ft |
| Animas River | southwest | CO | 2024-09-10 | 6,458 ft |
| Animas River #2 | southwest | CO | 2025-11-07 | 6,458 ft |
| Anticline Lake | southeast | CO | 2026-02-13 | 4,742 ft |
| Anticline Pond | southeast | CO | 2024-05-21 | 4,742 ft |
| Applebaugh Pond | southwest | CO | 2025-06-06 | — |
| Arapahoe Bend Cormorant Pond | northeast | CO | — | 4,854 ft |
| Arkansas R #3b | southeast | CO | 2016-03-15 | 4,742 ft |
| Arkansas River | southeast | CO | 2024-09-18 | 4,742 ft |
| Arkansas River #3B | southeast | CO | 2026-02-13 | 4,742 ft |
| Arrowhead Lake | southwest | CO | 2024-06-06 | 7,859 ft |
| Arvada Reservoir | northeast | CO | 2025-09-19 | 5,758 ft |
| Aurara Reservoir | northeast | CO | — | — |
| Aurora | northeast | CO | — | 5,934 ft |
| Aurora Reservoir | northeast | CO | 2025-11-21 | 5,934 ft |
| Avery Lake | northwest | CO | 2017-06-09 | 6,989 ft |
| Avery Pond | northwest | CO | 2024-06-13 | 5,058 ft |
| Axial Basin | northwest | CO | — | — |
| Axial Basin Lake | northwest | CO | 2025-06-20 | — |
| BARON RESERVOIR | southwest | CO | — | 10,105 ft |
| BEAR CREEK #3 | northeast | CO | — | 10,449 ft |
| BILLY CR LAKE | southwest | CO | — | 6,498 ft |
| BLANCA VISTA PARK POND | southwest | CO | — | — |
| BRECKINRIDGE RESERVOIR | northwest | CO | 2016-05-31 | 9,935 ft |
| BREEZE POND - SWA | northwest | CO | 2016-05-24 | 7,475 ft |
| BRIGHTON CITY PK LAKE | northeast | CO | 2016-05-03 | 4,973 ft |
| Bailey Reservoir | southwest | CO | 2023-07-21 | 9,846 ft |
| Balman Reservoir | southeast | CO | 2019-06-28 | 9,428 ft |
| Barker Reservoir | northeast | CO | 2023-10-04 | 8,187 ft |
| Barnes Meadow Reservoir | northeast | CO | — | 9,079 ft |
| Baron Lake | southwest | CO | 2023-06-23 | 10,105 ft |
| Barr Lake | northeast | CO | 2025-05-02 | — |
| Barron Reservoir | southwest | CO | 2025-06-13 | — |
| Bass Pond | northeast | CO | — | 4,947 ft |
| Bear Creek Reservoir | northeast | CO | 2025-11-21 | 5,553 ft |
| Bear Creek Reswervoir | northeast | CO | — | — |
| Bear Lake | northwest | CO | 2025-09-19 | 10,432 ft |
| Beaver Creek | southwest | CO | — | 5,887 ft |
| Beaver Creek Reservoir | southwest | CO | 2025-10-31 | 8,768 ft |
| Beaver Lake | northwest | CO | 2025-09-12 | 7,945 ft |
| Beckwith Reservoir | northeast | CO | 2026-02-26 | 6,081 ft |
| Bellaire Lake | northeast | CO | 2025-08-08 | 8,633 ft |
| Berkeley Lake | northeast | CO | 2026-03-05 | — |
| Berry Creek Pond | northwest | CO | 2025-07-04 | — |
| Big Creek Lake, Lower | northeast | CO | 2025-08-29 | 9,001 ft |