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LYONS DITCH
Structure dossier · WDID 3800846 · 1 · ROARING FORK RIVER · DWR record
Where this page's figures come from
Generated 2026-08-27 20:30 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.
Which of its rights get called out?
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 1907-06-01 — 419th 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: CONSOLIDATED RESERVOIR (1898-09-08). Immediately behind: THELMA DITCH (1916-06-22).
Decreed rights (2)
| 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 |
|---|---|---|---|---|---|---|---|
| 25978.2097 | 1907-06-01 | 1921-03-03 | 1.4 | 0.0 | C | IRR | 226AAB-2 |
| 30941.25639 | 1920-03-13 | 1936-08-25 | 3.3 | 0.0 | C | IRR | 407 |
Recorded use (last 14 years on record)
In a median year this structure has a recorded diversion of 1,194 AF. Its most recent year on record, 2006, came in at 689 AF — 58% of that, and 2nd lowest of the 14 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) |
|---|---|---|---|---|
| 1969 | 1,012 | 4th lowest of 14 · 85% of median | 103 | 5.0 |
| 1975 | 1,174 | 7th lowest of 14 · 98% of median | 149 | 4.0 |
| 1976 | 1,381 | 13th lowest of 14 · 116% of median | 175 | 4.0 |
| 1977 | 1,460 | 14th lowest of 14 · 122% of median | 184 | 4.0 |
| 1978 | 1,309 | 9th lowest of 14 · 110% of median | 165 | 4.0 |
| 1979 | 1,309 | 9th lowest of 14 · 110% of median | 165 | 4.0 |
| 1980 | 1,349 | 11th lowest of 14 · 113% of median | 170 | 4.0 |
| 1981 | 1,055 | 6th lowest of 14 · 88% of median | 134 | 4.0 |
| 1982 | 1,047 | 5th lowest of 14 · 88% of median | 133 | 4.0 |
| 1983 | 1,214 | 8th lowest of 14 · 102% of median | 153 | 4.0 |
| 1984 | 1,349 | 11th lowest of 14 · 113% of median | 170 | 4.0 |
| 1985 | 547 | 1st lowest of 14 · 46% of median | 70 | 4.0 |
| 1996 | 993 | 3rd lowest of 14 · 83% of median | 163 | 4.7 |
| 2006 | 689 | 2nd lowest of 14 · 58% of median | 107 | 6.4 |
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.