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DEEP SLOUGH RESERVOIR
Structure dossier · WDID 4003309 · 3 · WARD CREEK · DWR record
Where this page's figures come from
Generated 2026-08-27 23:13 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 1886-08-11 — 1090th most senior of the 4661 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: BARREN LAKE (1886-08-11). Immediately behind: DEEP WARD LAKE RES (1886-08-11).
Decreed rights (8)
| 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 |
|---|---|---|---|---|---|---|---|
| 20501.13372 | 1886-08-11 | 1907-09-28 | 0.0 | 0.0 | A | IRR | 1 |
| 20501.13398 | 1886-09-06 | 1907-09-28 | 0.0 | 0.0 | A | IRR | 2 |
| 20501.14153 | 1888-09-30 | 1907-09-28 | 0.0 | 0.0 | A | IRR | 3 |
| 20501.14455 | 1889-07-29 | 1907-09-28 | 0.0 | 0.0 | A | IRR | 4 |
| 20501.14488 | 1889-08-31 | 1907-09-28 | 0.0 | 0.0 | A | IRR | 5 |
| 20501.17046 | 1896-09-01 | 1907-09-28 | 0.0 | 0.0 | A | IRR | 20 |
| 20501.18263 | 1900-01-01 | 1907-09-28 | 0.0 | 0.0 | A | IRR | 23 |
| 29260.2109 | 1907-09-29 | 1937-05-28 | 0.0 | 0.0 | A | IRR | H29 |
Legal record & documents
43 decreed actions on record across
3 court cases:
CA3454, CA2563, CA0457.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
CA3454 | 39 | 1937-05-28 | S |
CA2563 | 3 | 1937-05-28 | S |
CA0457 | 1 | 1907-09-28 | 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)
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) |
|---|---|---|---|---|---|
| 2006 | — | no recorded volume | 441 | 0 | — |
| 2007 | — | no recorded volume | 368 | 0 | — |
| 2008 | — | no recorded volume | 402 | 0 | — |
| 2009 | — | no recorded volume | 391 | 0 | — |
| 2010 | — | no recorded volume | 399 | 0 | — |
| 2012 | — | no recorded volume | 391 | 0 | — |
| 2016 | — | no recorded volume | 296 | 0 | — |
| 2017 | — | no recorded volume | 268 | 0 | — |
| 2018 | — | no recorded volume | 472 | 0 | — |
| 2019 | — | no recorded volume | 390 | 0 | — |
| 2020 | — | no recorded volume | 292 | 0 | — |
| 2021 | — | no recorded volume | 541 | 0 | — |
| 2022 | — | no recorded volume | 1,367 | 0 | — |
| 2023 | — | no recorded volume | 309 | 0 | — |
| 2024 | — | no recorded volume | 326 | 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
| Check | State | Detail |
|---|---|---|
| identity | complete | name, type, and water source all on file |
| decreed rights | on file | 8 right(s), seniority decoded |
| diversion record | present | 1028 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | sparse | 25% of the irrigation seasons in 2005-2024 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.