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LITTLE ROCK DITCH
Structure dossier · WDID 4001170 · 1 · ANTHRACITE CREEK · DWR record
Where this page's figures come from
Generated 2026-08-27 23:19 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 1908-06-10 — 1768th most senior of the 4661 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: EAGLE NO1 DITCH (1908-06-06). Immediately behind: W F DUKE DITCH (1908-07-16).
Decreed rights (4)
| 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 |
|---|---|---|---|---|---|---|---|
| 31924.21345 | 1908-06-10 | 1954-03-20 | 0.3 | 0.0 | C | IRR | J129 |
| 36685.0 | 1950-06-10 | 1954-03-20 | 1.0 | 0.0 | C | IRR | J369 |
| 53325.52975 | 1995-01-15 | 1996-12-31 | 4.0 | 0.0 | C | STORECFISWLD | |
| 55882.55669 | 2002-06-01 | 2003-12-31 | 1.0 | 0.0 | C | STORECFISFIRSTKWLD |
Legal record & documents
9 decreed actions on record across
6 court cases:
08CW0021, 03CW0120, 96CW0043, 09CW0099, 02CW0032, CA3503.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
08CW0021 | 2 | 2003-12-31 | S |
03CW0120 | 1 | 2003-12-31 | S |
96CW0043 | 1 | 1996-12-31 | S |
09CW0099 | 1 | 1996-12-31 | S |
02CW0032 | 1 | 1996-12-31 | S |
CA3503 | 3 | 1954-03-20 | 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 1,205 AF. Its most recent year on record, 2024, came in at 660 AF — 55% of that, and 4th 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) |
|---|---|---|---|---|
| 2010 | 2,945 | 15th lowest of 15 · 244% of median | 365 | 5.0 |
| 2011 | 2,942 | 14th lowest of 15 · 244% of median | 365 | 5.0 |
| 2012 | 2,322 | 13th lowest of 15 · 193% of median | 305 | 4.0 |
| 2013 | 1,307 | 9th lowest of 15 · 108% of median | 272 | 3.5 |
| 2014 | 1,917 | 11th lowest of 15 · 159% of median | 365 | 9.0 |
| 2015 | 1,984 | 12th lowest of 15 · 165% of median | 365 | 5.2 |
| 2016 | 1,458 | 10th lowest of 15 · 121% of median | 366 | 4.0 |
| 2017 | 1,205 | 8th lowest of 15 · 100% of median | 295 | 4.2 |
| 2018 | 1,157 | 7th lowest of 15 · 96% of median | 190 | 5.3 |
| 2019 | 934 | 6th lowest of 15 · 78% of median | 247 | 5.0 |
| 2020 | 718 | 5th lowest of 15 · 60% of median | 366 | 4.0 |
| 2021 | 659 | 3rd lowest of 15 · 55% of median | 365 | 2.0 |
| 2022 | 585 | 2nd lowest of 15 · 48% of median | 365 | 3.2 |
| 2023 | 581 | 1st lowest of 15 · 48% of median | 353 | 2.2 |
| 2024 | 660 | 4th lowest of 15 · 55% of median | 305 | 3.4 |
Trends for this structure
Recorded use is falling over its last 15 recorded years (-175 AF/yr, Mann-Kendall p=0.000).
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 | 4 right(s), seniority decoded |
| diversion record | present | 7908 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | patchy | 75% 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.