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NEW CASTLE AUGMENTATION STATION
Structure dossier · WDID 3901049 · 8 · COLORADO RIVER · DWR record
Where this page's figures come from
Generated 2026-08-27 19:17 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 in line
Priority 1959-06-01 — 422nd most senior of the 1758 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: CREEK CABIN WELL (1959-05-31). Immediately behind: DIEMOZ WELL (1959-07-20).
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 |
|---|---|---|---|---|---|---|---|
| 39963.0 | 1959-06-01 | 1966-11-10 | 3.0 | 0.0 | C | IRRMUNCOMINDRECFIRDOMAUG | 329 |
| 40432.0 | 1960-09-12 | 1966-11-10 | 0.0 | 763.94 | A | IRRMUNCOMINDRECFIRDOM | 341 |
| 50038.49085 | 1984-05-22 | 1987-12-31 | 5.53 | 0.0 | C | IRRMUNCOMINDDOMAUG | |
| 55800.0 | 2002-10-10 | 2002-12-31 | 0.0 | 0.0 | C | IRRRECFISAUG | |
| 55828.0 | 2002-11-07 | 2002-12-31 | 0.0 | 5.0 | C | IRRMUNCOMINDRECFISFIRDOMAUGOTH |
Recorded use (last 9 years on record)
In a median year this structure has a recorded diversion of 350 AF. Its most recent year on record, 2024, came in at 350 AF — 100% of that, and 4th lowest of the 9 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) |
|---|---|---|---|---|---|
| 2015 | 407 | 9th lowest of 9 · 116% of median | 407 | 214 | 1.0 |
| 2016 | 406 | 7th lowest of 9 · 116% of median | 406 | 214 | 1.0 |
| 2017 | 406 | 7th lowest of 9 · 116% of median | 406 | 214 | 1.0 |
| 2019 | 379 | 6th lowest of 9 · 108% of median | 379 | 200 | 1.0 |
| 2020 | 350 | 4th lowest of 9 · 100% of median | 350 | 185 | 1.0 |
| 2021 | 137 | 1st lowest of 9 · 39% of median | 137 | 73 | 1.0 |
| 2022 | 202 | 2nd lowest of 9 · 58% of median | 202 | 107 | 1.0 |
| 2023 | 297 | 3rd lowest of 9 · 85% of median | 297 | 159 | 1.0 |
| 2024 | 350 | 4th lowest of 9 · 100% of median | 350 | 185 | 1.0 |
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.