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PLATEAU FLOUR MILL DITCH
Structure dossier · WDID 7200838 · 1 · COTTONWOOD CREEK · DWR record
Where this page's figures come from
Generated 2026-08-27 22:55 by Hydrohistorian. Sources: DWR HydroBase snapshot HydroBase_CO_20260707 (history) + CDSS REST (current), USGS NWIS cross-checks. Engine v0.5.0 (a1c9146) — 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 1888-09-01 — 80th most senior of the 2166 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: DAVENPORT D (COTTNWD) (1888-09-01). Immediately behind: SHOTWELL DITCH (1888-09-01).
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 |
|---|---|---|---|---|---|---|---|
| 14124.0 | 1888-09-01 | 1890-02-07 | 0.28 | 0.0 | C | IRR | 65 |
Legal record & documents
5 decreed actions on record across
4 court cases:
CA5812, 84CW0218, CA1222, CA9529.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
CA5812 | 1 | 1941-07-25 | S |
84CW0218 | 2 | 1941-07-25 | S |
CA1222 | 1 | 1905-10-14 | S |
CA9529 | 1 | 1890-02-07 | 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 155 AF. Its most recent year on record, 2024, came in at 392 AF — 253% of that, and 15th 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) |
|---|---|---|---|---|
| 2010 | 92 | 2nd lowest of 15 · 59% of median | 100 | 1.0 |
| 2011 | 152 | 6th lowest of 15 · 98% of median | 96 | 2.0 |
| 2012 | 80 | 1st lowest of 15 · 52% of median | 68 | 1.3 |
| 2013 | 110 | 4th lowest of 15 · 71% of median | 97 | 1.3 |
| 2014 | 116 | 5th lowest of 15 · 75% of median | 141 | 0.9 |
| 2015 | 154 | 7th lowest of 15 · 99% of median | 139 | 1.8 |
| 2016 | 185 | 10th lowest of 15 · 119% of median | 122 | 1.8 |
| 2017 | 276 | 12th lowest of 15 · 178% of median | 155 | 2.0 |
| 2018 | 170 | 9th lowest of 15 · 110% of median | 133 | 1.8 |
| 2019 | 310 | 13th lowest of 15 · 200% of median | 209 | 2.8 |
| 2020 | 213 | 11th lowest of 15 · 137% of median | 107 | 1.8 |
| 2021 | 96 | 3rd lowest of 15 · 62% of median | 84 | 1.2 |
| 2022 | 155 | 8th lowest of 15 · 100% of median | 119 | 1.2 |
| 2023 | 377 | 14th lowest of 15 · 243% of median | 155 | 2.0 |
| 2024 | 392 | 15th lowest of 15 · 253% of median | 195 | 2.3 |
Trends for this structure
Recorded use is rising over its last 15 recorded years (+17 AF/yr, Mann-Kendall p=0.003).
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 | 1 right(s), seniority decoded |
| diversion record | present | 6034 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | patchy | 52% of the irrigation seasons in 1970-2024 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.