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DE LA MATYR GUNDERSON D
Structure dossier · WDID 7000535 · 1 · DRY FORK ROAN CREEK · DWR record
Where this page's figures come from
Generated 2026-08-27 20:46 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.
Which of its rights get called out?
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 1887-03-22 — 56th most senior of the 519 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: DE LA MATYR DITCH (1887-03-22). Immediately behind: GUNDERSON & GUNDERSON D (1887-03-22).
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 |
|---|---|---|---|---|---|---|---|
| 22922.13595 | 1887-03-22 | 1912-11-16 | 1.0 | 0.0 | C | IRR | 97B |
Recorded use (last 15 years on record)
In a median year this structure has a recorded diversion of 61 AF. Its most recent year on record, 2025, came in at 61 AF — 100% of that, and 8th 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) |
|---|---|---|---|---|
| 1991 | 95 | 11th lowest of 15 · 156% of median | 97 | 0.5 |
| 1992 | 180 | 12th lowest of 15 · 295% of median | 199 | 0.5 |
| 1994 | 0 | 1st lowest of 15 · 0% of median | 1 | 0.0 |
| 1997 | 64 | 9th lowest of 15 · 105% of median | 150 | 0.4 |
| 1998 | 13 | 4th lowest of 15 · 21% of median | 24 | 0.4 |
| 1999 | 38 | 6th lowest of 15 · 62% of median | 86 | 0.2 |
| 2005 | 405 | 14th lowest of 15 · 664% of median | 164 | 2.0 |
| 2008 | 57 | 7th lowest of 15 · 93% of median | 63 | 1.0 |
| 2009 | 77 | 10th lowest of 15 · 126% of median | 85 | 0.6 |
| 2010 | 32 | 5th lowest of 15 · 52% of median | 103 | 0.2 |
| 2014 | 0 | 1st lowest of 15 · 0% of median | 1 | 0.0 |
| 2019 | 0 | 1st lowest of 15 · 0% of median | 1 | 0.0 |
| 2023 | 417 | 15th lowest of 15 · 684% of median | 71 | 3.0 |
| 2024 | 180 | 12th lowest of 15 · 295% of median | 78 | 2.0 |
| 2025 | 61 | 8th lowest of 15 · 100% of median | 71 | 0.5 |
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.