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MCNAMARA DITCH
Structure dossier · WDID 5000618 · 1 · EAST FORK TROUBLESOME CR · DWR record
Where this page's figures come from
Generated 2026-08-27 21:02 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 1902-09-30 — 62nd most senior of the 360 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: PINNEY DITCH NO 1 (1900-11-07). Immediately behind: OIL DITCH (1903-05-04).
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. | Units | UsesWhat the court said this water may be used for -- irrigation, municipal supply, augmentation and so on. | Case |
|---|---|---|---|---|---|---|---|
| 19265.0 | 1902-09-30 | 1906-08-11 | 1.25 | 0.0 | C | IRR | 65 |
Recorded use (last 15 years on record)
In a median year this structure has a recorded diversion of 21 AF. Its most recent year on record, 2017, came in at 49 AF — 233% of that, and 12th lowest of the 15 years with a recorded volume.
| Year | Diverted (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 record | Days recorded | Peak (cfs) |
|---|---|---|---|---|
| 1984 | 0 | 1st lowest of 15 · 0% of median | 1 | 0.0 |
| 1985 | 17 | 5th lowest of 15 · 81% of median | 17 | 0.8 |
| 1986 | 19 | 6th lowest of 15 · 90% of median | 13 | 0.8 |
| 2001 | 38 | 10th lowest of 15 · 181% of median | 39 | 0.5 |
| 2002 | 0 | 1st lowest of 15 · 0% of median | 2 | 0.0 |
| 2003 | 9 | 3rd lowest of 15 · 43% of median | 12 | 0.5 |
| 2004 | 33 | 9th lowest of 15 · 157% of median | 84 | 0.5 |
| 2005 | 48 | 11th lowest of 15 · 229% of median | 58 | 0.5 |
| 2006 | 21 | 8th lowest of 15 · 100% of median | 46 | 0.5 |
| 2007 | 19 | 6th lowest of 15 · 90% of median | 20 | 0.5 |
| 2008 | 13 | 4th lowest of 15 · 62% of median | 18 | 0.4 |
| 2009 | 88 | 15th lowest of 15 · 419% of median | 38 | 1.2 |
| 2010 | 50 | 13th lowest of 15 · 238% of median | 56 | 1.2 |
| 2011 | 69 | 14th lowest of 15 · 329% of median | 36 | 1.0 |
| 2017 | 49 | 12th lowest of 15 · 233% of median | 50 | 0.5 |
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.