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ROCKDALE NO 1 DITCH

Structure dossier · WDID 5300776 · 1 · SKINNER BRANCH · DWR record

Where this page's figures come from

Generated 2026-08-27 22:20 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.

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 1908-05-16 — 372nd most senior of the 1231 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: J F REIMER RESERVOIR (1905-09-23). Immediately behind: ROCKDALE NO 2 DITCH (1908-05-16).

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. UnitsUsesWhat the court said this water may be used for -- irrigation, municipal supply, augmentation and so on.Case
38753.21321908-05-161962-10-19 2.630.0 CIRR 411

Recorded use (last 15 years on record)

In a median year this structure has a recorded diversion of 79 AF. Its most recent year on record, 2023, came in at 58 AF — 73% of that, and 6th lowest of the 15 years with a recorded volume.

YearDiverted (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 recordDays recordedPeak (cfs)
1982 175 11th lowest of 15 · 222% of median 45 2.0
1983 206 12th lowest of 15 · 261% of median 53 2.0
1985 143 9th lowest of 15 · 181% of median 58 1.5
1986 367 15th lowest of 15 · 465% of median 176 1.5
1987 167 10th lowest of 15 · 211% of median 46 2.5
1988 261 14th lowest of 15 · 330% of median 93 1.8
1989 223 13th lowest of 15 · 282% of median 78 1.8
1990 0 1st lowest of 15 · 0% of median 1 0.0
1991 0 1st lowest of 15 · 0% of median 1 0.0
1992 70 7th lowest of 15 · 89% of median 53 1.2
1993 19 4th lowest of 15 · 24% of median 31 0.5
1994 0 1st lowest of 15 · 0% of median 3 0.1
1995 79 8th lowest of 15 · 100% of median 85 0.7
1996 23 5th lowest of 15 · 29% of median 24 0.5
2023 58 6th lowest of 15 · 73% of median 59 0.8

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
CheckStateDetail
identity complete name, type, and water source all on file
decreed rights on file 1 right(s), seniority decoded
diversion record present 1278 measured days; currency unknown (no data-coverage date to compare against)
record continuity sparse 12% of the irrigation seasons in 1975-2023 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.