Hydrohistorian
← My Water · Print / save as PDF
ROBERTSON DITCH
Structure dossier · WDID 3800966 · 1 · ROARING FORK RIVER · DWR record
Where this page's figures come from
Generated 2026-08-28 02:56 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 1883-02-11 — 87th 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: CRYSTAL RIVER WELL NO. 2 (1883-01-11). Immediately behind: STATON DITCH (1883-02-15).
Decreed rights (10)
| 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 |
|---|---|---|---|---|---|---|---|
| 12095.0 | 1883-02-11 | 1889-05-11 | 4.0 | 0.0 | C | IRRRECFISDOMAUG | 52 |
| 12875.0 | 1885-04-01 | 1889-05-11 | 3.5 | 0.0 | C | IRRDOMAUG | 112 |
| 21522.18584 | 1900-11-18 | 1908-12-05 | 1.28 | 0.0 | C | IRR | 213BBA |
| 30941.18949 | 1901-11-18 | 1936-08-25 | 0.72 | 0.0 | C | IRR | 339 |
| 36616.0 | 1950-04-02 | 1952-10-24 | 9.0 | 0.0 | C | IRRRECFISDOMAUG | 595 |
| 39291.0 | 1957-07-29 | 1958-06-20 | 0.0 | 0.0 | C | MUNDOM | |
| 52230.51963 | 1992-04-08 | 1993-12-31 | 1.65 | 0.0 | C | IRR | |
| 53973.0 | 1997-10-09 | 1997-12-31 | 6.59 | 0.91 | C | IRRCOMFIRDOM | |
| 54056.0 | 1997-12-31 | 1997-12-31 | 0.0 | 0.0 | C | AUG | |
| 57613.0 | 2007-09-27 | 2007-12-31 | 0.0 | 0.0 | C | MUNFIRDOM |
Legal record & documents
44 decreed actions on record across
15 court cases:
07CW0164, 97CW0236, 20CW3065, 19CW3115, 12CW0138, 12CW0134, 05CW0053, 93CW0337, 08CW0198, W2516 and 5 more below.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
07CW0164 | 1 | 2007-12-31 | S |
97CW0236 | 8 | 1997-12-31 | O, S |
20CW3065 | 1 | 1997-12-31 | S |
19CW3115 | 1 | 1997-12-31 | S |
12CW0138 | 1 | 1997-12-31 | S |
12CW0134 | 1 | 1997-12-31 | S |
05CW0053 | 1 | 1997-12-31 | S |
93CW0337 | 1 | 1993-12-31 | S |
08CW0198 | 1 | 1958-06-20 | S |
W2516 | 6 | 1952-10-24 | O, S |
CA4033 | 1 | 1952-10-24 | S |
94CW0143 | 16 | 1952-10-24 | O, S |
96CW0319 | 2 | 1936-08-25 | S |
04CW0071 | 1 | 1908-12-05 | S |
CA0132 | 2 | 1889-05-11 | O |
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 3,839 AF. Its most recent year on record, 2024, came in at 3,620 AF — 94% of that, and 6th lowest of the 15 years with a recorded volume.
This structure records both diversions and reservoir releases — they are separate water movements and are accounted separately below.
| 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 | Released (AF) | Days recorded | Peak (cfs) |
|---|---|---|---|---|---|
| 2010 | 1,846 | 1st lowest of 15 · 48% of median | — | 74 | 14.7 |
| 2011 | 2,762 | 2nd lowest of 15 · 72% of median | — | 145 | 12.0 |
| 2012 | 3,476 | 4th lowest of 15 · 90% of median | 489 | 213 | 10.8 |
| 2013 | 3,788 | 7th lowest of 15 · 99% of median | 225 | 207 | 13.0 |
| 2014 | 3,839 | 8th lowest of 15 · 100% of median | — | 204 | 13.9 |
| 2015 | 4,789 | 11th lowest of 15 · 125% of median | 167 | 206 | 17.0 |
| 2016 | 4,922 | 12th lowest of 15 · 128% of median | 772 | 214 | 15.0 |
| 2017 | 5,094 | 13th lowest of 15 · 133% of median | 733 | 214 | 15.9 |
| 2018 | 5,757 | 15th lowest of 15 · 150% of median | 772 | 215 | 14.0 |
| 2019 | 4,739 | 10th lowest of 15 · 123% of median | 736 | 214 | 14.2 |
| 2020 | 5,163 | 14th lowest of 15 · 134% of median | 734 | 214 | 18.0 |
| 2021 | 3,586 | 5th lowest of 15 · 93% of median | 736 | 215 | 18.2 |
| 2022 | 2,798 | 3rd lowest of 15 · 73% of median | 728 | 215 | 14.0 |
| 2023 | 4,171 | 9th lowest of 15 · 109% of median | 684 | 199 | 19.0 |
| 2024 | 3,620 | 6th lowest of 15 · 94% of median | 722 | 184 | 18.8 |
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 (8/10 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 | 10 right(s), seniority decoded |
| diversion record | present | 8576 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | patchy | 72% of the irrigation seasons in 1969-2024 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.