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RINN VALLEY PHASE 3 RESERVOIR
Structure dossier · WDID 0504005 · 3 · BOULDER CREEK · DWR record
Where this page's figures come from
Generated 2026-08-27 22:20 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 1997-09-30 — 1261st most senior of the 1289 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: LOUKONEN HOMESTEAD SPRG (1959-03-19). Immediately behind: FRENCH WATER STORAGE CELL RESERVOIR (2001-03-05).
Decreed rights (2)
| 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 |
|---|---|---|---|---|---|---|---|
| 56613.53964 | 1997-09-30 | 2005-12-31 | 2200.0 | 0.0 | A | IRRCOMINDRECFISAUGCURRCH | |
| 60740.0 | 2016-04-19 | 2016-12-31 | 0.0 | 800.0 | A | INDRECFISAUGCURRCH |
Legal record & documents
9 decreed actions on record across
3 court cases:
16CW3119, 20CW3122, 05CW0315.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
16CW3119 | 5 | 2016-12-31 | S |
20CW3122 | 1 | 2005-12-31 | S |
05CW0315 | 3 | 2005-12-31 | S |
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 7 years on record)
In a median year this structure has a recorded diversion of 294 AF. Its most recent year on record, 2024, came in at 50 AF — 17% of that, and 2nd lowest of the 7 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) |
|---|---|---|---|---|---|
| 2017 | 1,480 | 7th lowest of 7 · 503% of median | 709 | 90 | 29.5 |
| 2018 | 505 | 6th lowest of 7 · 172% of median | — | 37 | 12.3 |
| 2020 | 35 | 1st lowest of 7 · 12% of median | — | 6 | 6.3 |
| 2021 | 294 | 4th lowest of 7 · 100% of median | — | 29 | 12.4 |
| 2022 | 183 | 3rd lowest of 7 · 62% of median | — | 13 | 28.8 |
| 2023 | 318 | 5th lowest of 7 · 108% of median | — | 20 | 24.9 |
| 2024 | 50 | 2nd lowest of 7 · 17% of median | — | 6 | 10.5 |
How good is our record of it?
Grade B (7/10 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 | 2 right(s), seniority decoded |
| diversion record | present | 201 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | sparse | 13% of the irrigation seasons in 2017-2024 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.