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WILLIAMS DITCH NO 1
Structure dossier · WDID 4500823 · 1 · GARFIELD CREEK · DWR record
Where this page's figures come from
Generated 2026-08-27 23:01 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 1890-04-15 — 105th most senior of the 1378 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: LAKE DITCH (1889-03-20). Immediately behind: WILLIAMS DITCH NO 2 (1891-05-15).
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 |
|---|---|---|---|---|---|---|---|
| 19348.14715 | 1890-04-15 | 1903-05-08 | 1.4 | 0.0 | C | IRR | 109CC |
| 33099.32262 | 1938-05-01 | 1941-07-23 | 1.24 | 0.0 | C | IRR |
Legal record & documents
4 decreed actions on record across
2 court cases:
CA3395, CA1021.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
CA3395 | 2 | 1941-07-23 | S |
CA1021 | 2 | 1903-05-08 | S |
DWR's own records for this structure: net amounts · transactions & adjudication history · scanned decrees (search a case number there for the imaged document). On this site: the district's full legal picture →
Recorded use (last 15 years on record)
In a median year this structure has a recorded diversion of 125 AF. Its most recent year on record, 2024, came in at 150 AF — 120% of that, and 11th 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) |
|---|---|---|---|---|
| 2007 | 149 | 10th lowest of 15 · 119% of median | 116 | 1.4 |
| 2008 | 159 | 13th lowest of 15 · 127% of median | 106 | 1.5 |
| 2009 | 178 | 14th lowest of 15 · 142% of median | 97 | 1.5 |
| 2010 | 97 | 6th lowest of 15 · 78% of median | 69 | 1.5 |
| 2011 | 219 | 15th lowest of 15 · 175% of median | 149 | 1.4 |
| 2013 | 125 | 8th lowest of 15 · 100% of median | 53 | 1.4 |
| 2014 | 108 | 7th lowest of 15 · 86% of median | 56 | 1.4 |
| 2015 | 79 | 5th lowest of 15 · 63% of median | 74 | 0.9 |
| 2016 | 77 | 4th lowest of 15 · 62% of median | 67 | 1.0 |
| 2017 | 153 | 12th lowest of 15 · 122% of median | 75 | 1.4 |
| 2018 | 2 | 1st lowest of 15 · 2% of median | 4 | 0.4 |
| 2019 | 58 | 3rd lowest of 15 · 46% of median | 82 | 0.6 |
| 2021 | 44 | 2nd lowest of 15 · 35% of median | 17 | 1.4 |
| 2023 | 142 | 9th lowest of 15 · 114% of median | 58 | 1.4 |
| 2024 | 150 | 11th lowest of 15 · 120% of median | 85 | 0.9 |
Trends for this structure
Recorded use shows no clear trend over its last 15 recorded years — which is itself worth knowing.
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
| Check | State | Detail |
|---|---|---|
| identity | complete | name, type, and water source all on file |
| decreed rights | on file | 2 right(s), seniority decoded |
| diversion record | present | 1691 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | sparse | 16% of the irrigation seasons in 1975-2024 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.