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WALSENBURG RESERVOIR
Structure dossier · WDID 1603724 · 3 · CUCHARAS RIVER · DWR record
Where this page's figures come from
Generated 2026-08-27 22:28 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 1868-06-08 — 54th most senior of the 1044 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: LAKE OEHM RESERVOIR (COLER SYSTEM OUTLET (1868-06-08). Immediately behind: CULLOM DITCH (1868-06-10).
Decreed rights (5)
| 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 |
|---|---|---|---|---|---|---|---|
| 6734.0 | 1868-06-08 | 1889-06-12 | 0.0 | 0.0 | C | STOMUNAUG | 10 |
| 14408.1398 | 1888-04-10 | 1898-02-23 | 0.0 | 0.0 | C | STOMUNAUG | 124 |
| 19845.0 | 1904-05-02 | 1921-10-03 | 411.4646 | 0.0 | A | MUN | 329 |
| 62050.0 | 2019-11-20 | 2019-12-31 | 0.0 | 275.0 | A | ALL | |
| 62050.0 | 2019-11-20 | 2019-12-31 | 0.0 | 51.9 | C | ALL |
Legal record & documents
15 decreed actions on record across
4 court cases:
19CW3070, 17CW3075, CA1414, 11CW0056.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
19CW3070 | 4 | 2019-12-31 | S |
17CW3075 | 8 | 2017-12-31 | S |
CA1414 | 1 | 1921-10-03 | S |
11CW0056 | 2 | 1898-02-23 | O, 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 149 AF. Its most recent year on record, 2025, came in at 35 AF — 24% 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) |
|---|---|---|---|---|---|
| 1924 | 555 | 5th lowest of 7 · 372% of median | — | 41 | 7.0 |
| 1946 | 1,150 | 6th lowest of 7 · 772% of median | — | 214 | 3.5 |
| 1947 | 1,479 | 7th lowest of 7 · 993% of median | — | 214 | 3.5 |
| 2016 | 41 | 3rd lowest of 7 · 28% of median | — | 152 | 0.8 |
| 2017 | 149 | 4th lowest of 7 · 100% of median | — | 245 | 1.2 |
| 2024 | 0 | 1st lowest of 7 · 0% of median | 108 | 61 | 0.0 |
| 2025 | 35 | 2nd lowest of 7 · 24% of median | 735 | 304 | 0.3 |
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 | 5 right(s), seniority decoded |
| diversion record | present | 1231 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | sparse | 6% of the irrigation seasons in 1924-2025 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.