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MCCOLLUM DITCH

Structure dossier · WDID 4100539 · 1 · CEDAR CREEK · 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 (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 1906-07-01 — 155th most senior of the 1104 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: MENKE MC COLLUM DITCH (1905-07-31). Immediately behind: GRAYS CREEK DITCH (1908-08-31).

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. UnitsUsesWhat the court said this water may be used for -- irrigation, municipal supply, augmentation and so on.Case
29038.206351906-07-011941-12-04 0.750.0 CIRR 183

Recorded use (last 15 years on record)

In a median year this structure has a recorded diversion of 166 AF. Its most recent year on record, 2001, came in at 104 AF — 63% of that, and 2nd 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)
1987 268 13th lowest of 15 · 161% of median 90 2.4
1988 229 11th lowest of 15 · 138% of median 98 1.5
1989 368 15th lowest of 15 · 222% of median 174 2.6
1990 204 10th lowest of 15 · 123% of median 117 1.5
1991 251 12th lowest of 15 · 151% of median 118 1.5
1992 115 3rd lowest of 15 · 69% of median 64 1.5
1993 191 9th lowest of 15 · 115% of median 124 1.5
1994 142 7th lowest of 15 · 86% of median 83 1.2
1995 166 8th lowest of 15 · 100% of median 64 1.5
1996 326 14th lowest of 15 · 196% of median 132 2.5
1997 120 4th lowest of 15 · 72% of median 45 2.2
1998 125 5th lowest of 15 · 75% of median 57 1.5
1999 128 6th lowest of 15 · 77% of median 86 0.8
2000 88 1st lowest of 15 · 53% of median 52 1.0
2001 104 2nd lowest of 15 · 63% of median 72 0.8

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.