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CHAPMAN POND

Structure dossier · WDID 5803603 · 2 · YAMPA RIVER · DWR record

Where this page's figures come from

Generated 2026-08-27 21:24 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 1989-09-27 — 2080th most senior of the 3097 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: FJORD DITCH (1989-09-01). Immediately behind: LAKE MILLIGAN SPRING (1989-12-01).

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. UnitsUsesWhat the court said this water may be used for -- irrigation, municipal supply, augmentation and so on.Case
51499.510391989-09-271991-12-31 6.90.0 ARECFISFIR

Recorded use (last 6 years on record)

In a median year this structure has a recorded diversion of 5 AF. Its most recent year on record, 2021, came in at 61 AF — 1220% of that, and 6th lowest of the 6 years with a recorded volume.

This structure records both diversions and reservoir releases — they are separate water movements and are accounted separately below.

YearDiverted (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 recordReleased (AF)Days recordedPeak (cfs)
2012 6 4th lowest of 6 · 120% of median — 7 0.5
2013 1 1st lowest of 6 · 20% of median — 91 0.0
2014 1 1st lowest of 6 · 20% of median — 157 0.1
2015 11 5th lowest of 6 · 220% of median 10 42 1.8
2020 4 3rd lowest of 6 · 80% of median 2 31 0.1
2021 61 6th lowest of 6 · 1220% of median 51 105 0.5

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.