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NOTT NO 1 DITCH

Structure dossier · WDID 3900630 · 1 · MITCHELL CREEK · DWR record

Where this page's figures come from

Generated 2026-08-27 21:12 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 1890-09-29 — 119th most senior of the 1758 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: GRASS VALLEY CANAL (1887-07-20). Immediately behind: NOTT NO 2 DITCH (1890-09-29).

Decreed rights (3)

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
15458.148821890-09-291892-04-30 0.80.0 CIRR 146
25046.199671904-09-011918-09-30 0.160.0 CIRR 170A
33978.33891942-10-151952-09-05 0.540.0 CIRRDOM 243

Recorded use (last 15 years on record)

In a median year this structure has a recorded diversion of 189 AF. Its most recent year on record, 2013, came in at 463 AF — 245% of that, and 13th 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)
1994 421 12th lowest of 15 · 223% of median 183 1.4
1996 289 10th lowest of 15 · 153% of median 117 1.5
1997 188 7th lowest of 15 · 100% of median 102 1.5
1998 155 3rd lowest of 15 · 82% of median 92 1.2
1999 239 9th lowest of 15 · 126% of median 143 0.9
2000 187 6th lowest of 15 · 99% of median 100 1.2
2001 116 1st lowest of 15 · 61% of median 82 1.0
2002 175 4th lowest of 15 · 93% of median 111 0.8
2003 291 11th lowest of 15 · 154% of median 169 1.0
2004 189 8th lowest of 15 · 100% of median 103 1.1
2005 122 2nd lowest of 15 · 65% of median 66 1.0
2010 183 5th lowest of 15 · 97% of median 121 0.8
2011 1,065 14th lowest of 15 · 564% of median 180 3.0
2012 1,089 15th lowest of 15 · 576% of median 184 3.0
2013 463 13th lowest of 15 · 245% of median 169 1.4

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.