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MORMON MESA DITCH
Structure dossier · WDID 7200799 · 1 · COTTONWOOD CREEK · DWR record
Where this page's figures come from
Generated 2026-08-28 00:57 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 1888-01-12 — 67th 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: MCCURRY HIGHLINE DITCH (1888-01-11). Immediately behind: STEWART DITCH (BULL CR) (1888-04-06).
Decreed rights (8)
| 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 |
|---|---|---|---|---|---|---|---|
| 13891.0 | 1888-01-12 | 1890-02-07 | 18.72 | 0.0 | C | IRR | 51 |
| 14130.0 | 1888-09-07 | 1890-02-07 | 2.49 | 0.0 | C | IRR | 69 |
| 22995.14154 | 1888-10-01 | 1916-06-01 | 1.44 | 0.0 | C | IRR | |
| 22995.1598 | 1893-10-01 | 1916-06-01 | 0.81 | 0.0 | C | IRR | |
| 30895.13098 | 1885-11-10 | 1941-07-25 | 5.0 | 0.0 | C | DOMSTK | |
| 30895.24623 | 1917-06-01 | 1941-07-25 | 3.6 | 0.0 | C | IRR | |
| 50038.49281 | 1984-12-04 | 1987-12-31 | 1.41 | 0.0 | C | IRR | |
| 58804.58731 | 2010-10-19 | 2011-12-31 | 0.5 | 0.0 | C | IRRRECFISFIRWLD |
Legal record & documents
21 decreed actions on record across
9 court cases:
18CW3059, 11CW0141, 91CW0163, 87CW0122, 09CW0138, CA5812, CA2635, CA0273, 84CW0218.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
18CW3059 | 1 | 2011-12-31 | S |
11CW0141 | 2 | 2011-12-31 | S |
91CW0163 | 1 | 1987-12-31 | S |
87CW0122 | 1 | 1987-12-31 | S |
09CW0138 | 5 | 1987-12-31 | S |
CA5812 | 2 | 1941-07-25 | S |
CA2635 | 4 | 1916-06-01 | O, S |
CA0273 | 4 | 1890-02-07 | O |
84CW0218 | 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 3,525 AF. Its most recent year on record, 2024, came in at 1,691 AF — 48% of that, and 2nd 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 | 6,500 | 15th lowest of 15 · 184% of median | 340 | 32.0 |
| 2011 | 6,490 | 14th lowest of 15 · 184% of median | 365 | 27.5 |
| 2012 | 3,525 | 8th lowest of 15 · 100% of median | 302 | 22.6 |
| 2013 | 2,329 | 5th lowest of 15 · 66% of median | 155 | 24.2 |
| 2014 | 4,288 | 9th lowest of 15 · 122% of median | 245 | 20.7 |
| 2015 | 5,445 | 11th lowest of 15 · 154% of median | 365 | 24.3 |
| 2016 | 4,548 | 10th lowest of 15 · 129% of median | 366 | 21.3 |
| 2017 | 6,154 | 12th lowest of 15 · 175% of median | 365 | 29.9 |
| 2018 | 2,261 | 4th lowest of 15 · 64% of median | 295 | 12.5 |
| 2019 | 6,188 | 13th lowest of 15 · 176% of median | 348 | 26.6 |
| 2020 | 2,183 | 3rd lowest of 15 · 62% of median | 241 | 7.9 |
| 2021 | 1,290 | 1st lowest of 15 · 37% of median | 241 | 6.2 |
| 2022 | 2,713 | 6th lowest of 15 · 77% of median | 365 | 15.1 |
| 2023 | 3,186 | 7th lowest of 15 · 90% of median | 347 | 19.1 |
| 2024 | 1,691 | 2nd lowest of 15 · 48% of median | 284 | 11.1 |
Trends for this structure
Recorded use is falling over its last 15 recorded years (-255 AF/yr, Mann-Kendall p=0.029).
How good is our record of it?
Grade A (9/10 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 | 8 right(s), seniority decoded |
| diversion record | present | 15624 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | continuous | 100% of the irrigation seasons in 1969-2024 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.