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AROYA D
Structure dossier · WDID 2100506 · 1 · ALAMOSA RIVER · DWR record
Where this page's figures come from
Generated 2026-08-27 20:49 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.
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 1875-07-01 — 42nd most senior of the 1041 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: ORTIZ D (1875-05-15). Immediately behind: W0617 WELL NO 02 (1875-12-31).
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 |
|---|---|---|---|---|---|---|---|
| 9313.0 | 1875-07-01 | 1888-07-11 | 53.12 | 0.0 | C | IRR | 36 |
Recorded use (last 15 years on record)
In a median year this structure has a recorded diversion of 2,494 AF. Its most recent year on record, 2025, came in at 2,957 AF — 119% of that, and 11th 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 | 2,109 | 4th lowest of 15 · 85% of median | 79 | 48.5 |
| 2012 | 1,210 | 2nd lowest of 15 · 48% of median | 33 | 39.0 |
| 2013 | 798 | 1st lowest of 15 · 32% of median | 12 | 53.1 |
| 2014 | 2,340 | 7th lowest of 15 · 94% of median | 46 | 48.6 |
| 2015 | 2,494 | 8th lowest of 15 · 100% of median | 33 | 53.0 |
| 2016 | 2,140 | 6th lowest of 15 · 86% of median | 63 | 53.1 |
| 2017 | 2,854 | 10th lowest of 15 · 114% of median | 119 | 53.1 |
| 2018 | 1,678 | 3rd lowest of 15 · 67% of median | 34 | 53.1 |
| 2019 | 3,947 | 15th lowest of 15 · 158% of median | 104 | 42.0 |
| 2020 | 2,120 | 5th lowest of 15 · 85% of median | 37 | 53.1 |
| 2021 | 2,830 | 9th lowest of 15 · 114% of median | 47 | 53.1 |
| 2022 | 3,265 | 12th lowest of 15 · 131% of median | 52 | 53.1 |
| 2023 | 3,709 | 14th lowest of 15 · 149% of median | 86 | 53.1 |
| 2024 | 3,529 | 13th lowest of 15 · 142% of median | 55 | 53.1 |
| 2025 | 2,957 | 11th lowest of 15 · 119% of median | 56 | 53.1 |
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.