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HOWELL SPG NO 1
Structure dossier · WDID 4301540 · 4 · EAST WILLOW CREEK · DWR record
Where this page's figures come from
Generated 2026-08-28 02:10 by Hydrohistorian. Sources: DWR HydroBase snapshot HydroBase_CO_20260707 (history) + CDSS REST (current), USGS NWIS cross-checks. Engine v0.5.0 (a1c9146) — 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 1955-06-01 — 1672nd most senior of the 3293 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: FILENER SPG NO 1 POND (1955-06-01). Immediately behind: HOWELL SPG NO 2 (1955-06-01).
Decreed rights (1)
| 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 |
|---|---|---|---|---|---|---|---|
| 45290.38502 | 1955-06-01 | 1974-12-31 | 0.25 | 0.0 | C | IRRFISSTK |
Legal record & documents
1 decreed actions on record across
1 court case:
W2582-74.
Every case, dated
| Case | Actions | Latest adjudication | Types |
|---|---|---|---|
W2582-74 | 1 | 1974-12-31 | 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 11 years on record)
In a median year this structure has a recorded diversion of 12 AF. Its most recent year on record, 2010, came in at 5 AF — 42% of that, and 1st lowest of the 11 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) |
|---|---|---|---|---|
| 1989 | 20 | 10th lowest of 11 · 167% of median | 40 | 0.2 |
| 1991 | 15 | 8th lowest of 11 · 125% of median | 153 | 0.1 |
| 1992 | 10 | 3rd lowest of 11 · 83% of median | 170 | 0.0 |
| 1993 | 9 | 2nd lowest of 11 · 75% of median | 149 | 0.0 |
| 1994 | 17 | 9th lowest of 11 · 142% of median | 170 | 0.1 |
| 1995 | 14 | 7th lowest of 11 · 117% of median | 142 | 0.1 |
| 1996 | 11 | 4th lowest of 11 · 92% of median | 113 | 0.1 |
| 1997 | 27 | 11th lowest of 11 · 225% of median | 138 | 0.1 |
| 1999 | 12 | 6th lowest of 11 · 100% of median | 127 | 0.1 |
| 2008 | 11 | 4th lowest of 11 · 92% of median | 24 | 0.2 |
| 2010 | 5 | 1st lowest of 11 · 42% of median | 54 | 0.1 |
Trends for this structure
Recorded use shows no clear trend over its last 11 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 | 1 right(s), seniority decoded |
| diversion record | present | 1280 measured days; currency unknown (no data-coverage date to compare against) |
| record continuity | sparse | 28% of the irrigation seasons in 1989-2010 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.