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REED SPRING NO 1
Structure dossier · WDID 7201193 · 4 · COTTONWOOD CREEK · DWR record
Where this page's figures come from
Generated 2026-08-27 20:26 by Hydrohistorian. Sources: DWR HydroBase snapshot HydroBase_CO_20260707 (history) + CDSS REST (current), USGS NWIS cross-checks. Engine v0.5.0 (a1c9146) — every figure regenerates from this named code version and data image.
Which of its rights get called out?
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 1900-12-31 — 1118th most senior of the 2166 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: ROSELLI PUMP NO 1 (1974-08-26). Immediately behind: REED SPRING NO 2 (1900-12-31).
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 |
|---|---|---|---|---|---|---|---|
| 45655.18627 | 1900-12-31 | 1975-12-31 | 0.033 | 0.0 | C | IRRDOMSTK |
Recorded use (last 6 years on record)
In a median year this structure has a recorded diversion of 19 AF. Its most recent year on record, 2000, came in at 18 AF — 95% of that, and 3rd lowest of the 6 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) |
|---|---|---|---|---|
| 1985 | 14 | 2nd lowest of 6 · 74% of median | 214 | 0.0 |
| 1986 | 24 | 5th lowest of 6 · 126% of median | 365 | 0.0 |
| 1987 | 24 | 5th lowest of 6 · 126% of median | 365 | 0.0 |
| 1988 | 20 | 4th lowest of 6 · 105% of median | 305 | 0.0 |
| 1999 | 4 | 1st lowest of 6 · 21% of median | 61 | 0.0 |
| 2000 | 18 | 3rd lowest of 6 · 95% of median | 305 | 0.0 |
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.