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CARBONDALE WTR SYS & PL
Structure dossier · WDID 3801052 · 7 · NETTLE CREEK · DWR record
Where this page's figures come from
Generated 2026-08-28 03:50 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 1883-01-11 — 74th 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: ROCKFORD DITCH (1883-01-11). Immediately behind: CARBONDALE MUN WELL CR01 (1883-01-11).
Decreed rights (9)
| 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 |
|---|---|---|---|---|---|---|---|
| 12064.0 | 1883-01-11 | 1889-05-11 | 0.0 | 0.0 | C | IRRMUN | 51 |
| 12518.0 | 1884-04-09 | 1889-05-11 | 0.0 | 0.0 | C | IRRMUN | 81 |
| 13605.0 | 1887-04-01 | 1889-05-11 | 0.0 | 0.0 | C | IRRMUN | 169 |
| 25494.1368 | 1887-06-15 | 1920-02-21 | 0.0 | 0.0 | C | IRRMUN | 180B |
| 26467.22155 | 1910-08-29 | 1922-11-03 | 5.75 | 0.0 | C | MUNFIR | 6AA |
| 30941.14776 | 1890-06-15 | 1936-08-25 | 0.0 | 0.0 | C | IRRMUN | 311 |
| 30941.23895 | 1915-06-04 | 1936-08-25 | 0.0 | 0.0 | C | IRRMUN | 399 |
| 30941.25658 | 1920-04-01 | 1936-08-25 | 0.0 | 0.0 | C | IRRMUN | 408 |
| 41563.0 | 1963-10-18 | 1971-11-05 | 3.0 | 0.0 | C | MUN | 794 |
Legal record & documents
10 decreed actions on record across
3 court cases:
CA5884, 88CW0421, CA2283.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
CA5884 | 2 | 1971-11-05 | S |
88CW0421 | 7 | 1936-08-25 | O, S |
CA2283 | 1 | 1922-11-03 | 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 587 AF. Its most recent year on record, 2024, came in at 470 AF — 80% of that, and 3rd 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 | 764 | 13th lowest of 15 · 130% of median | 365 | 2.6 |
| 2011 | 371 | 1st lowest of 15 · 63% of median | 365 | 2.3 |
| 2012 | 465 | 2nd lowest of 15 · 79% of median | 366 | 1.5 |
| 2013 | 720 | 11th lowest of 15 · 123% of median | 365 | 2.0 |
| 2014 | 1,237 | 15th lowest of 15 · 211% of median | 365 | 2.6 |
| 2015 | 700 | 10th lowest of 15 · 119% of median | 365 | 1.9 |
| 2016 | 804 | 14th lowest of 15 · 137% of median | 366 | 1.7 |
| 2017 | 741 | 12th lowest of 15 · 126% of median | 365 | 1.3 |
| 2018 | 557 | 7th lowest of 15 · 95% of median | 365 | 0.9 |
| 2019 | 587 | 8th lowest of 15 · 100% of median | 365 | 1.4 |
| 2020 | 553 | 6th lowest of 15 · 94% of median | 366 | 1.1 |
| 2021 | 495 | 4th lowest of 15 · 84% of median | 365 | 0.9 |
| 2022 | 613 | 9th lowest of 15 · 104% of median | 365 | 1.4 |
| 2023 | 502 | 5th lowest of 15 · 86% of median | 365 | 1.0 |
| 2024 | 470 | 3rd lowest of 15 · 80% of median | 305 | 1.0 |
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 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 | 9 right(s), seniority decoded |
| diversion record | present | 9131 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | continuous | 85% of the irrigation seasons in 1974-2024 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.