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SAMMONS POWDERHORN D

Structure dossier · WDID 6200739 · 1 · POWDERHORN CREEK · DWR record

Where this page's figures come from

Generated 2026-08-27 19:17 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 in line

Priority 1908-06-02253rd most senior of the 1980 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: MENDENHALL DITCH (1908-06-01). Immediately behind: MINERAL CREEK NO 3 D (1908-06-20).

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
27585.213371908-06-021941-04-21 6.70.0 CIRR 271

Recorded use (last 15 years on record)

In a median year this structure has a recorded diversion of 410 AF. Its most recent year on record, 2025, came in at 0 AF — 0% of that, and 1st lowest of the 15 years with a recorded volume.

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 recordDays recordedPeak (cfs)
2010 522 11th lowest of 15 · 127% of median 46 6.9
2011 814 15th lowest of 15 · 198% of median 75 8.8
2012 94 3rd lowest of 15 · 23% of median 44 4.0
2013 198 5th lowest of 15 · 48% of median 35 4.8
2014 524 12th lowest of 15 · 128% of median 76 5.3
2015 410 8th lowest of 15 · 100% of median 72 5.8
2017 470 10th lowest of 15 · 115% of median 73 4.3
2018 1 2nd lowest of 15 · 0% of median 14 0.1
2019 468 9th lowest of 15 · 114% of median 78 3.6
2020 194 4th lowest of 15 · 47% of median 62 2.3
2021 383 7th lowest of 15 · 93% of median 51 5.0
2022 586 13th lowest of 15 · 143% of median 102 3.6
2023 315 6th lowest of 15 · 77% of median 50 4.6
2024 684 14th lowest of 15 · 167% of median 91 4.3
2025 0 1st lowest of 15 · 0% of median 2 0.0

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.