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CASTLE ROCK W 201
Structure dossier · WDID 0809583 · WELL · GROUNDWATER: SOUTH PLATTE RIVER · DWR record
Where this page's figures come from
Generated 2026-08-27 21:01 by Hydrohistorian. Sources: DWR HydroBase snapshot HydroBase_CO_20260707 (history) + CDSS REST (current), USGS NWIS cross-checks. Engine v0.5.0 (0576005) — 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.
Current administration
● Fully called out — call at CANAL 3 DITCH (CACHE LA POUDRE RIVER, priority 1870-04-01).
● Fully called out — call at BIG T PLATTE R DITCH (BIG THOMPSON RIVER, priority 1865-11-18).
● Fully called out — call at B H EATON DITCH (CACHE LA POUDRE RIVER, priority 1864-06-09).
● Fully called out — call at LAST CHANCE DITCH 2 (SOUTH PLATTE RIVER, priority 1863-12-30).
● Fully called out — call at NEVADA DITCH (SOUTH PLATTE RIVER, priority 1865-12-30).
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 1985-11-14 — 9343rd most senior of the 21881 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: 0809582 (1985-11-14). Immediately behind: 0809584 (1985-11-14).
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 |
|---|---|---|---|---|---|---|---|
| 49626.0 | 1985-11-14 | 1985-12-31 | 0.18 | 0.377 | C | IRRMUNCOMINDRECFISFIRDOMSTKAUG |
Recorded use (last 7 years on record)
In a median year this structure has a recorded diversion of 45 AF. Its most recent year on record, 2024, came in at 15 AF — 33% of that, and 2nd lowest of the 7 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) |
|---|---|---|---|---|
| 2018 | 15 | 2nd lowest of 7 · 33% of median | 61 | 0.1 |
| 2019 | 68 | 6th lowest of 7 · 151% of median | 303 | 4.6 |
| 2020 | 114 | 7th lowest of 7 · 253% of median | 295 | 4.6 |
| 2021 | 45 | 4th lowest of 7 · 100% of median | 365 | 0.1 |
| 2022 | 51 | 5th lowest of 7 · 113% of median | 365 | 0.1 |
| 2023 | 5 | 1st lowest of 7 · 11% of median | 303 | 0.3 |
| 2024 | 15 | 2nd lowest of 7 · 33% of median | 172 | 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.