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ANDREWS DITCH

Structure dossier · WDID 5101181 · 1 · WALDEN HOLLOW CREEK · DWR record

Where this page's figures come from

Generated 2026-08-27 22:34 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 1976-08-31 — 1053rd most senior of the 2208 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: COLUMBINE LAKE SPRING NO 3 (1975-06-30). Immediately behind: EAST GRAND SCHOOL DISTRICT WELL 140603 (1977-03-31).

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
46386.462641976-08-311977-12-31 0.50.0 CIRRSTK

Recorded use (last 14 years on record)

In a median year this structure has a recorded diversion of 122 AF. Its most recent year on record, 2006, came in at 113 AF — 92% of that, and 7th lowest of the 14 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)
1989 0 1st lowest of 14 · 0% of median 1 0.0
1990 23 2nd lowest of 14 · 19% of median 24 0.5
1991 132 8th lowest of 14 · 108% of median 20 3.5
1992 299 13th lowest of 14 · 244% of median 52 3.5
1993 81 4th lowest of 14 · 66% of median 83 0.5
1994 139 9th lowest of 14 · 114% of median 107 2.0
1995 146 11th lowest of 14 · 119% of median 37 4.0
1996 53 3rd lowest of 14 · 43% of median 23 2.5
1997 313 14th lowest of 14 · 256% of median 46 7.8
1998 143 10th lowest of 14 · 117% of median 26 3.0
1999 184 12th lowest of 14 · 150% of median 37 3.0
2000 107 6th lowest of 14 · 87% of median 21 3.0
2001 95 5th lowest of 14 · 78% of median 18 3.0
2006 113 7th lowest of 14 · 92% of median 39 1.5

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 534 measured days; currency unknown (no data-coverage date to compare against)
record continuity sparse 15% of the irrigation seasons in 1989-2006 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.