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WHITNEY IRR DITCH
Structure dossier · WDID 0300930 · 1 · CACHE LA POUDRE RIVER · DWR record
Where this page's figures come from
Generated 2026-08-27 23:36 by Hydrohistorian. Sources: DWR HydroBase snapshot HydroBase_CO_20260707 (history) + CDSS REST (current), USGS NWIS cross-checks. Engine v0.5.0 (2deb1d7) — every figure regenerates from this named code version and data image.
Where it sits
Location as DWR records it. Faint dots are the neighbouring water; click any to open it.
Which of its rights are out of priority?
Not computable for this structure: this structure is not on the modelled flow network, so no reference gage can honestly stand in for it.
Where it sits in line
Priority 1862-09-01 — 65th most senior of the 2961 structures with decreed rights in this water districtDWR's administrative subdivision of a river basin; the unit calls are usually stated in..
Under prior appropriationColorado's rule for sharing water: first in time, first in right. Age decides, not proximity or need., everything ahead of it in this line is satisfied in full before it receives any water. Immediately ahead: BOYD FREEMAN DITCH (1862-03-15). Immediately behind: B H EATON DITCH (1864-04-01).
Decreed rights (7)
| Admin noDWR's numeric encoding of a water right's seniority. Smaller is more senior; the integer part counts days from 1849-12-31 to the date that ranks the right. | AppropriatedWhen water was first put to beneficial use. It sets seniority unless a prior adjudication date is later. | AdjudicatedWhen the water court confirmed the right. A use decreed in 1975 was not a decreed use in 1955, however old the appropriation is. | AbsoluteA right actually put to use, as opposed to conditional -- a placeholder for a use not yet made. | ConditionalA right reserving a place in line for a use not yet made; it must be diligently pursued or it lapses. | Units | UsesWhat the court said this water may be used for -- irrigation, municipal supply, augmentation and so on. | Case |
|---|---|---|---|---|---|---|---|
| 4627.0 | 1862-09-01 | 1882-04-11 | 48.23 | 0.0 | C | STOIRRMUNCOMINDRECFISFIRDOMAUG | |
| 7923.0 | 1871-09-10 | 1882-04-11 | 12.95 | 0.0 | C | STOIRRMUNCOMINDRECFISFIRDOMAUG | |
| 51864.51237 | 1990-04-13 | 1992-12-31 | 0.0 | 0.0 | C | STOIRRCOMINDRECFISFIRDOMAUGWLD | |
| 52732.0 | 1994-05-17 | 1994-12-31 | 30.3 | 69.7 | C | IRRCOMINDRECFISFIRDOMAUGWLD | |
| 54769.0 | 1999-12-14 | 1999-12-31 | 0.0 | 0.0 | C | MUNALL | |
| 55517.51468 | 1990-11-30 | 2002-12-31 | 0.0 | 100.0 | C | IRRMUNCOMRECFISFIRDOMAUGSNOWLD | |
| 57705.0 | 2007-12-28 | 2007-12-31 | 0.0 | 20.0 | C | IRRMUNCOMINDFIR |
Legal record & documents
54 decreed actions on record across
14 court cases:
07CW0326, 02CW0391, 99CW0234, 94CW0097, 17CW3098, 10CW0139, 09CW0067, CA0320, 90CW0023, 19CW3226 and 4 more below.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
07CW0326 | 1 | 2007-12-31 | S |
02CW0391 | 1 | 2002-12-31 | S |
99CW0234 | 10 | 1999-12-31 | S |
94CW0097 | 1 | 1994-12-31 | S |
17CW3098 | 1 | 1994-12-31 | S |
10CW0139 | 8 | 1994-12-31 | S |
09CW0067 | 2 | 1994-12-31 | S |
CA0320 | 2 | 1882-04-11 | O |
90CW0023 | 4 | 1882-04-11 | O |
19CW3226 | 4 | 1882-04-11 | O |
13CW3167 | 4 | 1882-04-11 | O |
08CW0065 | 8 | 1882-04-11 | O |
02CW0390 | 4 | 1882-04-11 | O |
02CW0331 | 4 | 1882-04-11 | O |
DWR's own records for this structure: net amounts · transactions & adjudication history · scanned decrees (search a case number there for the imaged document). On this site: the district's full legal picture →
Recorded use (last 15 years on record)
In a median year this structure has a recorded diversion of 7,515 AF. Its most recent year on record, 2024, came in at 1,415 AF — 19% of that, and 1st lowest of the 15 years with a recorded volume.
This structure records both diversions and reservoir releases — they are separate water movements and are accounted separately below.
| Year | Diverted (AFA volume: one acre covered a foot deep, about 326,000 gallons -- roughly a suburban household's outdoor use for a year.) | Compared with its own record | Released (AF) | Days recorded | Peak (cfs) |
|---|---|---|---|---|---|
| 2010 | 7,831 | 9th lowest of 15 · 104% of median | — | 139 | 48.0 |
| 2011 | 7,903 | 11th lowest of 15 · 105% of median | — | 129 | 57.0 |
| 2012 | 12,114 | 15th lowest of 15 · 161% of median | — | 187 | 49.0 |
| 2013 | 8,793 | 12th lowest of 15 · 117% of median | — | 248 | 51.0 |
| 2014 | 10,273 | 14th lowest of 15 · 137% of median | — | 326 | 47.1 |
| 2015 | 9,637 | 13th lowest of 15 · 128% of median | — | 233 | 47.6 |
| 2016 | 7,515 | 8th lowest of 15 · 100% of median | — | 158 | 43.8 |
| 2017 | 6,007 | 4th lowest of 15 · 80% of median | — | 195 | 46.6 |
| 2018 | 6,439 | 5th lowest of 15 · 86% of median | — | 179 | 45.3 |
| 2019 | 5,583 | 2nd lowest of 15 · 74% of median | — | 174 | 41.9 |
| 2020 | 6,864 | 7th lowest of 15 · 91% of median | — | 184 | 41.1 |
| 2021 | 6,668 | 6th lowest of 15 · 89% of median | — | 202 | 38.5 |
| 2022 | 7,876 | 10th lowest of 15 · 105% of median | — | 197 | 40.0 |
| 2023 | 5,704 | 3rd lowest of 15 · 76% of median | — | 201 | 31.7 |
| 2024 | 1,415 | 1st lowest of 15 · 19% of median | — | 190 | 7.6 |
Trends for this structure
Recorded use is falling over its last 15 recorded years (-309 AF/yr, Mann-Kendall p=0.010).
How good is our record of it?
Grade B (8/10 points) — the components below are the finding; the letter alone is not.
The rubric, component by component
| Check | State | Detail |
|---|---|---|
| identity | complete | name, type, and water source all on file |
| decreed rights | on file | 7 right(s), seniority decoded |
| diversion record | present | 11720 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | patchy | 73% of the irrigation seasons in 1950-2024 carry measured days |
| published-record stability | stable | no upstream revisions recorded against this structure |
Advisory reading aid on public data — not an administrative or legal conclusion, not a title opinion, and not a substitute for DWR administration or an engineer's analysis. Methodology review status is disclosed at hydrohistorian's basin pages.