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MODEL DITCH
Structure dossier · WDID 1900552 · 1 · PURGATOIRE RIVER · DWR record
Where this page's figures come from
Generated 2026-08-27 21:08 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 1862-03-20 — 16th most senior of the 735 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: RUSSELL RESERVOIR (1861-11-01). Immediately behind: CIMARRON RANCH AUG PLAN (1862-04-01).
Decreed rights (9)
| 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 |
|---|---|---|---|---|---|---|---|
| 4462.0 | 1862-03-20 | 1903-08-10 | 4.0 | 0.0 | C | IRR | 5 |
| 4749.0 | 1863-01-01 | 1903-08-10 | 1.28 | 0.0 | C | IRR | 9 |
| 5114.0 | 1864-01-01 | 1903-08-10 | 0.538 | 0.0 | C | IRR | 13 |
| 5214.0 | 1864-04-10 | 1903-08-10 | 5.1 | 0.0 | C | IRR | 15 |
| 5759.0 | 1865-10-07 | 1903-08-10 | 6.21 | 0.0 | C | IRR | 20 |
| 5995.0 | 1866-05-31 | 1903-08-10 | 2.25 | 0.0 | C | IRR | 27 |
| 8492.0 | 1873-04-01 | 1903-08-10 | 2.4 | 0.0 | C | IRR | 64 |
| 19579.19285 | 1902-10-20 | 1925-01-12 | 100.0 | 0.0 | C | IRR | 145 |
| 21205.0 | 1908-01-22 | 1925-01-12 | 172.0 | 0.0 | C | STOIRR | 168 |
Recorded use (last 15 years on record)
In a median year this structure has a recorded diversion of 3,828 AF. Its most recent year on record, 2024, came in at 2,371 AF — 62% of that, and 4th 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) |
|---|---|---|---|---|---|
| 2009 | 10,720 | 13th lowest of 15 · 280% of median | — | 153 | 81.3 |
| 2010 | 12,590 | 14th lowest of 15 · 329% of median | — | 160 | 95.3 |
| 2011 | 0 | 1st lowest of 15 · 0% of median | — | 35 | 0.0 |
| 2012 | 4,441 | 9th lowest of 15 · 116% of median | — | 66 | 58.9 |
| 2013 | 3,197 | 6th lowest of 15 · 84% of median | — | 100 | 57.3 |
| 2014 | 236 | 2nd lowest of 15 · 6% of median | — | 8 | 54.4 |
| 2016 | 20,465 | 15th lowest of 15 · 535% of median | — | 169 | 130.2 |
| 2017 | 7,489 | 12th lowest of 15 · 196% of median | — | 170 | 46.6 |
| 2018 | 338 | 3rd lowest of 15 · 9% of median | — | 193 | 2.0 |
| 2019 | 4,724 | 10th lowest of 15 · 123% of median | — | 183 | 40.8 |
| 2020 | 3,287 | 7th lowest of 15 · 86% of median | — | 155 | 42.3 |
| 2021 | 5,237 | 11th lowest of 15 · 137% of median | — | 152 | 51.5 |
| 2022 | 2,952 | 5th lowest of 15 · 77% of median | — | 172 | 30.0 |
| 2023 | 3,828 | 8th lowest of 15 · 100% of median | — | 175 | 60.8 |
| 2024 | 2,371 | 4th lowest of 15 · 62% of median | — | 48 | 41.5 |
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.