Hydrohistorian
← My Water · Print / save as PDF
BLUE RIVER DIVERSION PROJECT
Structure dossier · WDID 3604684 · 7 · BLUE RIVER · DWR record
Where this page's figures come from
Generated 2026-08-28 00:38 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 1946-06-24 — 408th most senior of the 1247 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: BUMGARNER RESERVOIR (1945-11-14). Immediately behind: WILLIAMS FORK RESERVOIR EXCHANGE (1946-06-24).
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 |
|---|---|---|---|---|---|---|---|
| 35238.0 | 1946-06-24 | 1952-03-10 | 654.0 | 134.0 | C | IRRMUNINDFIRDOMOTH | 139-366 |
Legal record & documents
6 decreed actions on record across
6 court cases:
W0741, CA2782, CA1806, 90CW0112, 86CW0132, 06CW0255.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
W0741 | 1 | 1952-03-10 | S |
CA2782 | 1 | 1952-03-10 | S |
CA1806 | 1 | 1952-03-10 | S |
90CW0112 | 1 | 1952-03-10 | S |
86CW0132 | 1 | 1952-03-10 | S |
06CW0255 | 1 | 1952-03-10 | 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 15 years on record)
In a median year this structure has a recorded diversion of 73,193 AF. Its most recent year on record, 2024, came in at 49,856 AF — 68% of that, and 5th 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 | 75,016 | 10th lowest of 15 · 102% of median | 365 | 450.0 |
| 2011 | 73,193 | 8th lowest of 15 · 100% of median | 365 | 374.0 |
| 2012 | 124,643 | 15th lowest of 15 · 170% of median | 366 | 411.0 |
| 2013 | 70,180 | 7th lowest of 15 · 96% of median | 304 | 378.0 |
| 2014 | 895 | 1st lowest of 15 · 1% of median | 61 | 12.2 |
| 2015 | 19,482 | 2nd lowest of 15 · 27% of median | 122 | 308.0 |
| 2016 | 44,486 | 4th lowest of 15 · 61% of median | 245 | 354.0 |
| 2017 | 74,352 | 9th lowest of 15 · 102% of median | 304 | 401.0 |
| 2018 | 115,054 | 14th lowest of 15 · 157% of median | 306 | 502.0 |
| 2019 | 40,186 | 3rd lowest of 15 · 55% of median | 243 | 313.0 |
| 2020 | 79,176 | 11th lowest of 15 · 108% of median | 245 | 396.0 |
| 2021 | 94,302 | 12th lowest of 15 · 129% of median | 365 | 451.0 |
| 2022 | 100,455 | 13th lowest of 15 · 137% of median | 365 | 440.0 |
| 2023 | 62,828 | 6th lowest of 15 · 86% of median | 365 | 286.0 |
| 2024 | 49,856 | 5th lowest of 15 · 68% of median | 305 | 377.0 |
Trends for this structure
Recorded use shows no clear trend over its last 15 recorded years — which is itself worth knowing.
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 | 1 right(s), seniority decoded |
| diversion record | present | 12642 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | continuous | 100% of the irrigation seasons in 1971-2024 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.