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CANON CITY WATER WORKS
Structure dossier · WDID 1200503 · 1 · ARKANSAS RIVER · DWR record
Where this page's figures come from
Generated 2026-08-28 02:54 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 1863-12-30 — 30th most senior of the 1967 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: HANNENKRATT DITCH (1863-08-31). Immediately behind: CANON CITY HYDRAULIC (1863-12-30).
Decreed rights (3)
| 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 |
|---|---|---|---|---|---|---|---|
| 5112.0 | 1863-12-30 | 1894-02-03 | 0.0 | 0.0 | C | IRR | 17 |
| 5339.0 | 1864-08-13 | 1894-02-03 | 0.0 | 0.0 | C | IRR | 20.5 |
| 8341.0 | 1872-11-01 | 1904-01-19 | 4.68 | 0.0 | C | MUN |
Legal record & documents
3 decreed actions on record across
2 court cases:
W4513, W4034.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
W4513 | 1 | 1904-01-19 | O |
W4034 | 2 | 1894-02-03 | 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 4,833 AF. Its most recent year on record, 2025, came in at 3,952 AF — 82% of that, and 2nd 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) |
|---|---|---|---|---|---|
| 2011 | 601 | 1st lowest of 15 · 12% of median | — | 291 | 7.7 |
| 2012 | 6,174 | 15th lowest of 15 · 128% of median | — | 366 | 18.2 |
| 2013 | 5,287 | 13th lowest of 15 · 109% of median | — | 365 | 17.7 |
| 2014 | 5,503 | 14th lowest of 15 · 114% of median | — | 365 | 16.8 |
| 2015 | 5,110 | 11th lowest of 15 · 106% of median | — | 365 | 24.1 |
| 2016 | 5,173 | 12th lowest of 15 · 107% of median | — | 366 | 17.3 |
| 2017 | 4,833 | 8th lowest of 15 · 100% of median | — | 365 | 14.4 |
| 2018 | 5,100 | 10th lowest of 15 · 106% of median | — | 365 | 19.0 |
| 2019 | 4,735 | 6th lowest of 15 · 98% of median | — | 365 | 15.5 |
| 2020 | 4,779 | 7th lowest of 15 · 99% of median | — | 366 | 15.9 |
| 2021 | 4,696 | 5th lowest of 15 · 97% of median | — | 365 | 19.5 |
| 2022 | 4,841 | 9th lowest of 15 · 100% of median | — | 365 | 16.8 |
| 2023 | 4,509 | 4th lowest of 15 · 93% of median | — | 356 | 23.5 |
| 2024 | 4,488 | 3rd lowest of 15 · 93% of median | — | 366 | 15.4 |
| 2025 | 3,952 | 2nd lowest of 15 · 82% of median | — | 304 | 14.7 |
Trends for this structure
Recorded use is falling over its last 15 recorded years (-88 AF/yr, Mann-Kendall p=0.003).
How good is our record of it?
Grade A (9/10 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 | 3 right(s), seniority decoded |
| diversion record | present | 33644 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | continuous | 100% of the irrigation seasons in 1896-2025 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.