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OLIGARCHY RES 1

Structure dossier · WDID 0504067 · 3 · SAINT VRAIN CREEK · DWR record

Where this page's figures come from

Generated 2026-08-28 01:00 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 1862-04-1547th 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: INDEPENDENT RES (1862-04-15). Immediately behind: CLOVER BASIN RES (1862-04-15).

Decreed rights (20)

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. UnitsUsesWhat the court said this water may be used for -- irrigation, municipal supply, augmentation and so on.Case
4488.01862-04-151882-06-02 0.00.0 CIRRMUNCOMINDRECFISFIRDOMAUGPWR
4518.01862-05-151882-06-02 0.00.0 CIRRMUNCOMINDRECFISFIRDOMAUGPWR
4657.01862-10-011882-06-02 0.00.0 CIRRMUNCOMINDRECFISFIRDOMAUGPWR
4853.01863-04-151882-06-02 0.00.0 CIRRMUNCOMINDRECFISFIRDOMAUGPWR
5996.01866-06-011882-06-02 0.00.0 AIRRMUN
6339.01867-05-101882-06-02 0.00.0 AMUN
6339.01867-05-101882-06-02 0.00.0 CMUN
7012.01869-03-131882-06-02 0.00.0 AIRRMUN
7640.01870-12-011882-06-02 0.00.0 AIRRMUN
7822.01871-06-011883-02-21 0.00.0 AALL
8464.01873-03-041882-06-02 0.00.0 AIRRMUN
14428.01889-07-021890-03-22 1080.00.0 AIRR
14700.01890-03-311907-03-13 357.40.0 AIRR
15659.01892-11-141907-03-13 386.00.0 AIRR
19271.01902-10-061907-03-13 0.00.0 AALL
19273.01902-10-081907-03-13 0.00.0 AMUNALL
20890.197561904-02-031926-06-01 0.00.0 AALL
22584.01911-11-011926-06-01 306.00.0 AIRR
29219.01929-12-311951-07-23 272.00.0 AIRRMUNALL
51134.117961882-04-181990-12-31 1000.00.0 AIRRMUNCOMINDRECFISFIRDOMOTH

Recorded use (last 15 years on record)

In a median year this structure has a recorded diversion of 389 AF. Its most recent year on record, 2023, came in at 375 AF — 96% of that, and 7th lowest of the 14 years with a recorded volume.

This structure records both diversions and reservoir releases — they are separate water movements and are accounted separately below.

YearDiverted (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 recordReleased (AF)Days recordedPeak (cfs)
1981 498 10th lowest of 14 · 128% of median 21 20.0
1982 1,148 14th lowest of 14 · 295% of median 30 32.0
1983 no recorded volume 298 0
1984 87 1st lowest of 14 · 22% of median 7 10.0
1985 298 4th lowest of 14 · 77% of median 11 15.0
1986 208 2nd lowest of 14 · 54% of median 8 15.0
1987 442 9th lowest of 14 · 114% of median 13 21.0
1997 717 11th lowest of 14 · 184% of median 137 10.0
2016 370 6th lowest of 14 · 95% of median 19 17.0
2017 778 12th lowest of 14 · 200% of median 56 16.9
2018 403 8th lowest of 14 · 104% of median 22 10.0
2019 269 3rd lowest of 14 · 69% of median 17 10.7
2020 802 13th lowest of 14 · 206% of median 23 22.4
2022 303 5th lowest of 14 · 78% of median 17 10.0
2023 375 7th lowest of 14 · 96% of median 19 15.0

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
CheckStateDetail
identity complete name, type, and water source all on file
decreed rights on file 20 right(s), seniority decoded
diversion record present 715 measured days; currency unknown (no data-coverage date to compare against)
record continuity sparse 7% of the irrigation seasons in 1974-2023 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.