| 81 | Season call nowcast: expected curt | BOULDER LARIMER CO IRR MFG D | BOULDER LARIMER CO IRR MFG D, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~155 of 214 season days from the basin's administration record. Dominant caller OSBORNE CAYWOOD DITCH: P(call by Jun 15) = 1 over 6 comparable seasons. | 97.6 | 0.70 | 2026-07-18 12:00:00 |
| 81 | Season call nowcast: expected curt | BOULDER LARIMER CO IRR MFG D | BOULDER LARIMER CO IRR MFG D, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~140 of 214 season days from the basin's administration record. Dominant caller OSBORNE CAYWOOD DITCH: P(call by Jun 15) = 1 over 6 comparable seasons. | 92.8 | 0.70 | 2026-07-18 12:00:00 |
| 81 | Season call nowcast: expected curt | BOULDER LARIMER CO IRR MFG D | BOULDER LARIMER CO IRR MFG D, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~140 of 214 season days from the basin's administration record. Dominant caller OSBORNE CAYWOOD DITCH: P(call by Jun 15) = 1 over 6 comparable seasons. | 92.8 | 0.70 | 2026-07-18 12:00:00 |
| 81 | Drought reliability cliff | COMMUNITY DITCH | COMMUNITY DITCH: modeled irrigation-season reliability 82% in median years → 37% dry → 21% severe drought (2002-class replay). A 62-point cliff under stress. | 92.4 | 0.72 | 2026-07-18 12:00:00 |
| 81 | Critical call exposure | EAST BOULDER DITCH | EAST BOULDER DITCH (1911 priority) carries 878.9 day-equivalents of observed call exposure from 20 senior caller(s); dominant caller COMMUNITY DITCH (142.6 day-eq). 712 season-days curtailed in the last five seasons. | 53.2 | 0.98 | 2026-09-30 00:00:00 |
| 81 | Critical call exposure | EAST BOULDER DITCH | EAST BOULDER DITCH (1863 priority) carries 757.8 day-equivalents of observed call exposure from 17 senior caller(s); dominant caller S BOULDER BEAR CR DITCH (128.8 day-eq). 609 season-days curtailed in the last five seasons. | 51.4 | 0.98 | 2026-09-30 00:00:00 |
| 81 | Critical call exposure | RIVERSIDE CANAL | RIVERSIDE CANAL (1988 priority) carries 3,199.7 day-equivalents of observed call exposure from 86 senior caller(s); dominant caller SOUTH PLATTE RIVER COMPACT (573.1 day-eq). 2584 season-days curtailed in the last five seasons. | 88.0 | 0.98 | 2026-09-30 00:00:00 |
| 81 | Basin chokepoint caller | SOUTH PLATTE RIVER COMPACT | SOUTH PLATTE RIVER COMPACT has put 2093 decreed rights (56,895 cfs decreed, 0 distinct owners) out of priority — 1,199,523.8 day-equivalents of administered curtailment, most recently 2026. Caller Power Index 73.9. | 73.9 | 0.92 | 2026-09-30 00:00:00 |
| 81 | Basin chokepoint caller | HARMONY DITCH 2 | HARMONY DITCH 2 has put 2092 decreed rights (57,005 cfs decreed, 0 distinct owners) out of priority — 752,477 day-equivalents of administered curtailment, most recently 2026. Caller Power Index 65. | 65.0 | 0.92 | 2026-09-30 00:00:00 |
| 81 | Drought reliability cliff | BOULDER LARIMER CO IRR MFG D | BOULDER LARIMER CO IRR MFG D: modeled irrigation-season reliability 85% in median years → 35% dry → 23% severe drought (2002-class replay). A 61-point cliff under stress. | 92.0 | 0.72 | 2026-07-18 12:00:00 |
| 81 | Season call nowcast: expected curt | OLIGARCHY DITCH | OLIGARCHY DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~192 of 214 season days from the basin's administration record. Dominant caller HIGHLAND DITCH: P(call by Jun 15) = 1 over 6 comparable seasons. | 100.0 | 0.70 | 2026-07-18 12:00:00 |
| 80 | Season call nowcast: expected curt | UNION DITCH | UNION DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~99 of 214 season days from the basin's administration record. Dominant caller EVANS NO 2 DITCH: P(call by Jun 15) = 1 over 6 comparable seasons. | 79.7 | 0.70 | 2026-07-18 12:00:00 |
| 80 | Season call nowcast: expected curt | COMO JIM DITCH | COMO JIM DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~137 of 214 season days from the basin's administration record. Dominant caller EVANS NO 2 DITCH: P(call by Jun 15) = 1 over 6 comparable seasons. | 91.8 | 0.70 | 2026-07-18 12:00:00 |
| 80 | Season call nowcast: expected curt | LOWER PLATTE BEAVER D | LOWER PLATTE BEAVER D, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~212 of 214 season days from the basin's administration record. Dominant caller SOUTH PLATTE RIVER COMPACT: P(call by Jun 15) = 1 over 6 comparable seasons. | 100.0 | 0.70 | 2026-07-18 12:00:00 |
| 80 | Season call nowcast: expected curt | BIJOU CANAL | BIJOU CANAL, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~212 of 214 season days from the basin's administration record. Dominant caller SOUTH PLATTE RIVER COMPACT: P(call by Jun 15) = 1 over 6 comparable seasons. | 100.0 | 0.70 | 2026-07-18 12:00:00 |
| 80 | Critical call exposure | BRANTNER DITCH | BRANTNER DITCH (1881 priority) carries 563.3 day-equivalents of observed call exposure from 24 senior caller(s); dominant caller EVANS NO 2 DITCH (212.4 day-eq). 470 season-days curtailed in the last five seasons. | 48.5 | 0.98 | 2026-09-30 00:00:00 |
| 80 | Basin chokepoint caller | UNION DITCH | UNION DITCH has put 2070 decreed rights (56,023 cfs decreed, 0 distinct owners) out of priority — 3,932.9 day-equivalents of administered curtailment, most recently 2026. Caller Power Index 49.5. | 49.5 | 0.92 | 2026-09-30 00:00:00 |
| 80 | Season call nowcast: expected curt | CLEAR CR PLATTE RIVER D | CLEAR CR PLATTE RIVER D, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~159 of 214 season days from the basin's administration record. Dominant caller FARMERS HIGHLINE CANAL: P(call by Jun 15) = 1 over 6 comparable seasons. | 98.9 | 0.70 | 2026-07-18 12:00:00 |
| 80 | Critical call exposure | DENVER CONDUIT NO 20 | DENVER CONDUIT NO 20 (1902 priority) carries 2,360.4 day-equivalents of observed call exposure from 56 senior caller(s); dominant caller SOUTH PLATTE RIVER COMPACT (573.1 day-eq). 1928 season-days curtailed in the last five seasons. | 75.4 | 0.98 | 2026-09-30 00:00:00 |
| 80 | Critical call exposure | LOUDEN DITCH | LOUDEN DITCH (1888 priority) carries 1,040.5 day-equivalents of observed call exposure from 24 senior caller(s); dominant caller BARNES DITCH (188.3 day-eq). 771 season-days curtailed in the last five seasons. | 55.6 | 0.98 | 2026-09-30 00:00:00 |
| 80 | Critical call exposure | CANAL 3 DITCH | CANAL 3 DITCH (1872 priority) carries 628 day-equivalents of observed call exposure from 19 senior caller(s); dominant caller NEW CACHE LA POUDRE CO DITCH (168.8 day-eq). 497 season-days curtailed in the last five seasons. | 49.4 | 0.98 | 2026-09-30 00:00:00 |
| 80 | Season call nowcast: expected curt | ST VRAIN PALMERTON DITCH | ST VRAIN PALMERTON DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~155 of 214 season days from the basin's administration record. Dominant caller HIGHLAND DITCH: P(call by Jun 15) = 1 over 6 comparable seasons. | 97.6 | 0.70 | 2026-07-18 12:00:00 |
| 80 | Critical call exposure | BIG WELLMAN D SEEP HGT 8 | BIG WELLMAN D SEEP HGT 8 (1922 priority) carries 899.7 day-equivalents of observed call exposure from 27 senior caller(s); dominant caller BOULDER WHITE ROCK DITCH (201.1 day-eq). 691 season-days curtailed in the last five seasons. | 53.5 | 0.98 | 2026-09-30 00:00:00 |
| 80 | Critical call exposure | SPRINGDALE DITCH | SPRINGDALE DITCH (2003 priority) carries 3,865.3 day-equivalents of observed call exposure from 88 senior caller(s); dominant caller SOUTH PLATTE RIVER COMPACT (573.1 day-eq). 3107 season-days curtailed in the last five seasons. | 98.0 | 0.98 | 2026-09-30 00:00:00 |
| 80 | Basin chokepoint caller | PREWITT INLET CANAL | PREWITT INLET CANAL has put 2044 decreed rights (52,313 cfs decreed, 0 distinct owners) out of priority — 269,766.2 day-equivalents of administered curtailment, most recently 2026. Caller Power Index 53.5. | 53.5 | 0.92 | 2026-09-30 00:00:00 |
| 80 | Season call nowcast: expected curt | COMMUNITY DITCH | COMMUNITY DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~144 of 214 season days from the basin's administration record. Dominant caller S BOULDER BEAR CR DITCH: P(call by Jun 15) = 0 over 5 comparable seasons. | 76.1 | 0.70 | 2026-07-18 12:00:00 |
| 80 | Critical call exposure | SPRINGDALE DITCH | SPRINGDALE DITCH (1886 priority) carries 969.5 day-equivalents of observed call exposure from 39 senior caller(s); dominant caller EVANS NO 2 DITCH (212.4 day-eq). 777 season-days curtailed in the last five seasons. | 54.5 | 0.98 | 2026-09-30 00:00:00 |
| 80 | Season call nowcast: expected curt | BOULDER LEFT HAND DITCH | BOULDER LEFT HAND DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~115 of 214 season days from the basin's administration record. Dominant caller HIGHLAND SOUTH SIDE DITCH: P(call by Jun 15) = 0 over 5 comparable seasons. | 66.8 | 0.70 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | LARIMER WELD IRR CANAL | LARIMER WELD IRR CANAL: modeled irrigation-season reliability 83% in median years → 34% dry → 23% severe drought (2002-class replay). A 60-point cliff under stress. | 89.6 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | LARIMER COUNTY DITCH | LARIMER COUNTY DITCH: modeled irrigation-season reliability 83% in median years → 34% dry → 23% severe drought (2002-class replay). A 60-point cliff under stress. | 89.6 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | LEGGETT-VALMONT INLET D | LEGGETT-VALMONT INLET D: modeled irrigation-season reliability 73% in median years → 23% dry → 13% severe drought (2002-class replay). A 60-point cliff under stress. | 89.4 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Basin chokepoint caller | NORTH STERLING CANAL | NORTH STERLING CANAL has put 2009 decreed rights (48,178 cfs decreed, 0 distinct owners) out of priority — 287,053.3 day-equivalents of administered curtailment, most recently 2026. Caller Power Index 52.2. | 52.2 | 0.92 | 2026-09-30 00:00:00 |
| 80 | Basin chokepoint caller | RIVERSIDE CANAL | RIVERSIDE CANAL has put 2005 decreed rights (42,923 cfs decreed, 0 distinct owners) out of priority — 157,362.2 day-equivalents of administered curtailment, most recently 2026. Caller Power Index 48. | 48.0 | 0.92 | 2026-09-30 00:00:00 |
| 80 | Critical caller value-at-risk | HOWARD DITCH | HOWARD DITCH's observed call reaches 339 parcels — 5,350 coverage-weighted acres, $116.6M assessed value, 186 distinct owners — through the 10 structures it has put out of priority (48,261 day-equivalents, most recently 2024). | 100.0 | 0.86 | 2024-09-30 00:00:00 |
| 80 | Basin chokepoint caller | DENVER FOOTHILLS PL 26 | DENVER FOOTHILLS PL 26 has put 2644 decreed rights (62,937 cfs decreed, 0 distinct owners) out of priority — 76,195.5 day-equivalents of administered curtailment, most recently 2025. Caller Power Index 56.4. | 56.4 | 0.92 | 2025-09-30 00:00:00 |
| 80 | Season call nowcast: expected curt | BIG WELLMAN D SEEP HGT 3 | BIG WELLMAN D SEEP HGT 3, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~145 of 214 season days from the basin's administration record. Dominant caller BOULDER WHITE ROCK DITCH: P(call by Jun 15) = 1 over 6 comparable seasons. | 94.4 | 0.70 | 2026-07-18 12:00:00 |
| 80 | Critical caller value-at-risk | LARIMER WELD IRR CANAL | LARIMER WELD IRR CANAL's observed call reaches 4199 parcels — 42,143 coverage-weighted acres, $57.5M assessed value, 2489 distinct owners — through the 65 structures it has put out of priority (293,036.8 day-equivalents, most recently 2026). | 98.1 | 0.86 | 2026-09-30 00:00:00 |
| 80 | Drought reliability cliff | LARIMER WELD EAST DRAIN | LARIMER WELD EAST DRAIN: modeled irrigation-season reliability 82% in median years → 32% dry → 23% severe drought (2002-class replay). A 59-point cliff under stress. | 88.3 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | LARIMER WELD WEST DRAIN | LARIMER WELD WEST DRAIN: modeled irrigation-season reliability 82% in median years → 32% dry → 23% severe drought (2002-class replay). A 59-point cliff under stress. | 88.3 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | LARIMER WELD MIDDLE DRAN | LARIMER WELD MIDDLE DRAN: modeled irrigation-season reliability 82% in median years → 32% dry → 23% severe drought (2002-class replay). A 59-point cliff under stress. | 88.3 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | OGILVY DITCH | OGILVY DITCH: modeled irrigation-season reliability 82% in median years → 32% dry → 23% severe drought (2002-class replay). A 59-point cliff under stress. | 88.3 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | OGILVY DITCH | OGILVY DITCH: modeled irrigation-season reliability 82% in median years → 32% dry → 23% severe drought (2002-class replay). A 59-point cliff under stress. | 88.3 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | OGILVY DITCH | OGILVY DITCH: modeled irrigation-season reliability 82% in median years → 32% dry → 23% severe drought (2002-class replay). A 59-point cliff under stress. | 88.3 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | WHITNEY IRR DITCH | WHITNEY IRR DITCH: modeled irrigation-season reliability 82% in median years → 32% dry → 23% severe drought (2002-class replay). A 59-point cliff under stress. | 88.3 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | NEW CACHE LA POUDRE CO DITCH | NEW CACHE LA POUDRE CO DITCH: modeled irrigation-season reliability 82% in median years → 32% dry → 23% severe drought (2002-class replay). A 59-point cliff under stress. | 88.3 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | LARIMER COUNTY NO 2 D | LARIMER COUNTY NO 2 D: modeled irrigation-season reliability 82% in median years → 32% dry → 23% severe drought (2002-class replay). A 59-point cliff under stress. | 88.3 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | LARIMER COUNTY DITCH | LARIMER COUNTY DITCH: modeled irrigation-season reliability 82% in median years → 32% dry → 23% severe drought (2002-class replay). A 59-point cliff under stress. | 88.3 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | LARIMER COUNTY DITCH | LARIMER COUNTY DITCH: modeled irrigation-season reliability 82% in median years → 32% dry → 23% severe drought (2002-class replay). A 59-point cliff under stress. | 88.3 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | POUDRE VALLEY CANAL | POUDRE VALLEY CANAL: modeled irrigation-season reliability 82% in median years → 32% dry → 23% severe drought (2002-class replay). A 59-point cliff under stress. | 88.3 | 0.72 | 2026-07-18 12:00:00 |
| 80 | Drought reliability cliff | NORTH POUDRE SUPPLY CNL | NORTH POUDRE SUPPLY CNL: modeled irrigation-season reliability 82% in median years → 32% dry → 23% severe drought (2002-class replay). A 59-point cliff under stress. | 88.3 | 0.72 | 2026-07-18 12:00:00 |