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YARNELL DITCH
Structure dossier · WDID 5900712 · 1 · CEMENT CREEK · DWR record
Where this page's figures come from
Generated 2026-08-28 00:37 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 1951-05-30 — 773rd most senior of the 2360 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: BUFFINGTON DITCH (1951-05-02). Immediately behind: YARNELL PIPELINE (1951-05-30).
Decreed rights (1)
| 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 |
|---|---|---|---|---|---|---|---|
| 37039.0 | 1951-05-30 | 1957-06-20 | 6.5 | 0.0 | C | IRRDOM | 503 |
Legal record & documents
1 decreed actions on record across
1 court case:
CA5289.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
CA5289 | 1 | 1957-06-20 | S |
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 135 AF. Its most recent year on record, 2025, came in at 18 AF — 13% of that, and 4th lowest of the 15 years with a recorded volume.
| 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 | Days recorded | Peak (cfs) |
|---|---|---|---|---|
| 2011 | 0 | 1st lowest of 15 · 0% of median | 7 | 0.0 |
| 2012 | 0 | 1st lowest of 15 · 0% of median | 6 | 0.0 |
| 2013 | 0 | 1st lowest of 15 · 0% of median | 7 | 0.0 |
| 2014 | 458 | 15th lowest of 15 · 339% of median | 72 | 4.3 |
| 2015 | 213 | 11th lowest of 15 · 158% of median | 111 | 3.5 |
| 2016 | 69 | 5th lowest of 15 · 51% of median | 33 | 1.2 |
| 2017 | 305 | 12th lowest of 15 · 226% of median | 94 | 3.5 |
| 2018 | 402 | 13th lowest of 15 · 298% of median | 139 | 3.6 |
| 2019 | 449 | 14th lowest of 15 · 333% of median | 108 | 3.8 |
| 2020 | 198 | 10th lowest of 15 · 147% of median | 124 | 2.1 |
| 2021 | 126 | 7th lowest of 15 · 93% of median | 100 | 1.5 |
| 2022 | 113 | 6th lowest of 15 · 84% of median | 93 | 2.4 |
| 2023 | 135 | 8th lowest of 15 · 100% of median | 133 | 2.1 |
| 2024 | 140 | 9th lowest of 15 · 104% of median | 80 | 1.6 |
| 2025 | 18 | 4th lowest of 15 · 13% of median | 40 | 0.2 |
Trends for this structure
Recorded use shows no clear trend over its last 15 recorded years — which is itself worth knowing.
How good is our record of it?
Grade B (7/10 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 | 1 right(s), seniority decoded |
| diversion record | present | 3628 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | sparse | 34% of the irrigation seasons in 1976-2025 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.