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WEBER DITCH NO 1

Structure dossier · WDID 1100703 · 1 · THREEMILE CREEK · DWR record

Where this page's figures come from

Generated 2026-08-27 19:51 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 1873-12-31 — 101st most senior of the 1489 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: SPAULDING DITCH (1873-12-31). Immediately behind: WHITE DITCH NO 1 (1874-05-01).

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
8766.01873-12-311890-06-19 0.40.0 CIRR 48

Recorded use (last 9 years on record)

In a median year this structure has a recorded diversion of 77 AF. Its most recent year on record, 1978, came in at 84 AF — 109% of that, and 6th lowest of the 9 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)
1912 2 1st lowest of 9 · 3% of median 4 0.4
1954 16 2nd lowest of 9 · 21% of median 21 0.4
1955 17 3rd lowest of 9 · 22% of median 22 0.4
1971 91 7th lowest of 9 · 118% of median 122 0.4
1972 56 4th lowest of 9 · 73% of median 83 0.4
1973 77 5th lowest of 9 · 100% of median 116 0.4
1974 121 8th lowest of 9 · 157% of median 153 0.6
1975 125 9th lowest of 9 · 162% of median 130 2.0
1978 84 6th lowest of 9 · 109% of median 168 0.4

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.