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PAT MCNULTY NO 1 DITCH

Structure dossier · WDID 3800927 · 1 · COULTER CREEK · DWR record

Where this page's figures come from

Generated 2026-08-28 02:57 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 1888-05-28 — 244th most senior of the 4788 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: MAROON DITCH (1889-07-10). Immediately behind: PAT MCNULTY NO 2 DITCH (1888-05-28).

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
15804.140281888-05-281894-03-15 0.80.0 CIRR 189A

Recorded use (last 15 years on record)

In a median year this structure has a recorded diversion of 26 AF. Its most recent year on record, 2008, came in at 16 AF — 62% 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)
1985 174 15th lowest of 15 · 669% of median 175 0.5
1986 173 14th lowest of 15 · 665% of median 175 0.5
1988 15 5th lowest of 15 · 58% of median 23 0.6
1989 7 4th lowest of 15 · 27% of median 11 0.5
1991 31 10th lowest of 15 · 119% of median 16 1.1
1992 80 13th lowest of 15 · 308% of median 71 0.7
1993 56 12th lowest of 15 · 215% of median 31 1.8
1994 26 8th lowest of 15 · 100% of median 22 0.8
1995 16 6th lowest of 15 · 62% of median 19 0.5
1996 43 11th lowest of 15 · 165% of median 30 0.8
1997 0 1st lowest of 15 · 0% of median 5 0.0
1998 29 9th lowest of 15 · 112% of median 35 0.5
1999 0 1st lowest of 15 · 0% of median 7 0.0
2003 4 3rd lowest of 15 · 15% of median 5 0.5
2008 16 6th lowest of 15 · 62% of median 18 0.5

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 1696 measured days; currency unknown (no data-coverage date to compare against)
record continuity sparse 24% of the irrigation seasons in 1975-2008 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.