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NORTH POUDRE RES 16

Structure dossier · WDID 0303712 · RESERVOIR · NORTH FORK CACHE LA POUD · DWR record · probably WELLINGTON TOWN OF’s (matched on DWR’s contact or an EPA intake name; verify below)

Source DWR administrative record · verify at DWR structure ↗ Source DWR administrative record · verify at DWR diversion records ↗ Source Our computation, scored against a reference · scored against DWR's call analysis, see /methods

Where this page's figures come from

Generated 2026-10-13 15:14 by Hydrohistorian. Sources: DWR HydroBase snapshot HydroBase_CO_20260928 (history) + CDSS REST (current), USGS NWIS cross-checks. Engine v0.5.0 (dd58e60) — every figure regenerates from this named code version and data image.

Who owns it

DWR’s own records name no owner for a ditch, reservoir or well, so this comes from the source shown and can be out of date. Organisations only: a private landowner’s name is never listed.

The record and the river

Where this structure is measured

GageFlowing nowRecordHow we know
N FK CACHE LA POUDRE R BLW HALLIGAN RES NR VA DALE NOCALACO 7.72 cfs 1998–2026, 10,425 days co-located, 106 m

A green link is DWR's own: either its telemetry inventory maps this WDID to that station, or the station is named for this WDID (0700553 → 0700553A). An amber one is ours — the station sits within 250 m and shares a distinctive word with this structure's name, which is a strong hint rather than a DWR statement that this gage meters this structure. Wrong? Tell us.

In short

NORTH POUDRE RES 16 holds 49 decreed rights on NORTH FORK CACHE LA POUD. No active call senior to its rights reaches its district today (20 active calls checked), so it is in priority now. 4 further calls state no district and sit outside this one, so they are counted here rather than assumed either way. That is today's position; the weeks ahead cannot be projected for it: no administrative call record for this basin. In a median year over its last 14 recorded years it diverts 5,510 acre-feet. That use is falling by about 548.8 acre-feet a year over 14 years (p=0.0031143075315549495). It was a party to 11 court cases that also touched 25 other structures.

Assembled from the figures on this page — every number above is checked against them before it is shown (11 checked). The detail, with its method, is in the cards below.

Download this structure

Everything on this page as data you can work with — and a README that makes it citable: the HydroBase snapshot it was built from, the build commit, what every column means, the method behind each derived figure, and that method's stated limits.

⇩ Full record (.zip) Print / save as PDF

Or one table at a time: rights.csv · annual_use.csv · curtailment_now.csv · court_cases.csv · co_parties.csv · call_climatology.csv

What is in the bundle
  • rights.csv — every decreed right, most senior first, with admin numbers, dates, amounts, uses and case numbers.
  • annual_use.csv — recorded diversion by year, with releases accounted separately.
  • curtailment_now.csv — each right's current priority status and how often it was out across analog years.
  • court_cases.csv — the cases attached to its rights.
  • co_parties.csv — the other structures that were parties to those cases. Not available anywhere else.
  • call_climatology.csv — how often each right has been out of priority by week of season, with confidence intervals and the seasons the record could actually judge.
  • README.txt — provenance, methods, limits, disclaimer, and links back to DWR's own records for verification.

Where it sits

Location as DWR records it (storage). Faint dots are the neighbouring water; click any to open it.

Dam safety

Dam HALLIGAN (completed 1970)
Hazard class High
Condition at last inspection Conditionally Satisfactory (2026-09-22)
Storage restriction None on file
Normal storage 6,428 AF
Physical status Active
Emergency action plan Yes

Source: DWR Dam Safety’s jurisdictional-dam inventory (damsafety/damsafetydaminfojd), refreshed weekly. Joined on this structure’s own WDID as DWR records it on the dam. Hazard class describes the consequence of failure, not the likelihood of it. DWR’s dam record.

Current administration

● In priority — no active call senior to this structure's rights affects its district (20 active call(s) checked).

4 further calls state no district and sit outside this one, so they are counted here rather than assumed either way.

Which of its rights are out of priority?

The outlook for the weeks ahead is not computable for this structure: no administrative call record for this basin. Today’s position is a separate question, and it is answered in Current administration above — that screen reads the district’s active calls and needs no reference gage.

Where it sits in line

Priority 1861-06-01 — 21st most senior of the 2964 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: NORTH POUDRE RESERVOIR 6 (1861-06-01). Immediately behind: MILTON SEAMAN RESERVOIR (1861-06-01).

On NORTH FORK CACHE LA POUD at river mile 79.3, it is 9th of 42 down the reach. Immediately upstream: FRENCH CREEK DITCH. Immediately downstream: NORTH POUDRE CANAL.

Position on the modelled network, not a claim about whose water this is — a stream carries water from many rights at once, and diverted water returns to it.

Decreed rights (50)

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. Alt-pointAn absolute amount decreed at another structure that may be diverted here instead -- an alternate point of diversion or an exchange. DWR calls this the APEX amount; a right showing 0.0 absolute but an alt-point amount is exercised here under another structure's decree. Decreed forWhat the court said this water may be used for -- irrigation, municipal supply, augmentation and so on.Case
4170.00000 1861-06-011882-04-11 0.0 cfs 0.0 0.4233 cfs Irrigation, Municipal +8 05CW0323, 14CW3144 +2
4179.00000 1861-06-101882-04-11 0.0 cfs 0.0 1.21 cfs Municipal 08CW0277
4443.00000 1862-03-011882-04-11 0.0 cfs 0.0 1.1992 cfs Storage, Irrigation +8 03CW0421, 03CW0422 +3
5372.00000 1864-09-151882-04-11 0.0 cfs 0.0 1.5477 cfs Storage, Irrigation +8 03CW0422, 03CW0421 +3
5579.00000 1865-04-101882-04-11 0.0 AF 0.0 169.2 AF Municipal 13CW3166, 09CW0282
5579.00000 1865-04-101882-04-11 0.0 cfs 0.0 2.61 cfs Municipal 13CW3166, 09CW0282
5600.00000 1865-05-011882-04-11 0.0 cfs 0.0 2.05 cfs Municipal, All beneficial uses 05CW0264
6026.00000 1866-07-011882-04-11 0.0 cfs 0.0 1.2738 cfs Irrigation, Municipal +8 05CW0323, 14CW3144 +2
6483.00000 1867-10-011882-04-11 0.0 cfs 0.0 4.1967 cfs Irrigation, Municipal +1 05CW0323, W1424 +1
6649.00000 1868-03-151882-04-11 0.0 cfs 0.0 0.5197 cfs Storage, Irrigation +8 03CW0421, 03CW0422 +3
6727.00000 1868-06-011882-04-11 0.0 cfs 0.0 1.2738 cfs Irrigation, Municipal +8 05CW0323, 14CW3144 +2
7092.00000 1869-06-011882-04-11 0.0 cfs 0.0 0.9827 cfs Irrigation, Municipal +8 05CW0323, W1424 +2
7184.00000 1869-09-011882-04-11 0.0 cfs 0.0 2.1967 cfs Irrigation, Municipal +1 05CW0323, 92CW0129 +1
7599.00000 1870-10-211882-04-11 0.0 cfs 0.0 1.49 cfs Municipal 08CW0277
7671.00000 1871-01-011882-04-11 0.0 cfs 0.0 4.067 cfs Irrigation, Municipal +1 W1424
7761.00000 1871-04-011882-04-11 0.0 cfs 0.0 14.5607 cfs Irrigation, Municipal +8 92CW0129, 05CW0323 +1
7953.00000 1871-10-101882-04-11 0.0 cfs 0.0 4.3882 cfs Irrigation, Municipal +1 05CW0323, 92CW0129 +1
8218.00000 1872-07-011882-04-11 0.0 cfs 0.0 7.6521 cfs Irrigation, Municipal +1 W1424, 92CW0129 +1
8237.00000 1872-07-201882-04-11 0.0 cfs 0.0 10.0618 cfs Irrigation, Municipal +8 05CW0323, 14CW3144 +1
8480.00000 1873-03-201882-04-11 0.0 cfs 0.0 0.4468 cfs Storage, Irrigation +8 03CW0422, 03CW0421 +3
8492.00000 1873-04-011882-04-11 0.0 cfs 0.0 107.4697 cfs Irrigation, Municipal +1 05CW0323, W1424 +1
8645.00000 1873-09-011882-04-11 0.0 cfs 0.0 34.3033 cfs Irrigation, Municipal +8 W1424, 92CW0129 +2
8659.00000 1873-09-151882-04-11 0.0 cfs 0.0 1.25 cfs Municipal 08CW0277
9236.00000 1875-04-151882-04-11 0.0 AF 0.0 849.5551 AF Municipal 05CW0323, 92CW0129
10318.00000 1878-04-011882-04-11 0.0 cfs 0.0 0.805 cfs Storage, Irrigation +8 03CW0421, 03CW0422 +3
10788.00000 1879-07-151882-04-11 0.0 cfs 0.0 1.31 cfs Municipal 08CW0277
11003.00000 1880-02-151882-04-11 0.0 cfs 0.0 34.3814 cfs Irrigation, Municipal +1 05CW0323, W1424 +1
11438.00000 1881-04-251882-04-11 0.0 cfs 0.0 51.5796 cfs Storage, Irrigation +8 03CW0422, 03CW0421 +3
15716.00000 1893-01-101882-04-11 0.0 AF 0.0 285.1349 AF Municipal 05CW0323
18382.00000 1900-04-301904-12-09 3719.0 AF 0.0 — Irrigation CA2666
20681.00000 1906-08-161922-04-22 2689.0 AF 0.0 — Irrigation CA2031
21392.00000 1908-07-271922-04-22 0.0 AF 0.0 454.7655 AF Municipal 92CW0129, 05CW0323
23646.00000 1914-09-281945-12-18 0.0 cfs 0.0 3.183 cfs Storage, All beneficial uses 03CW0421
26409.23646 1914-09-281945-12-18 0.0 cfs 0.0 24.2709 cfs Storage, Irrigation +8 03CW0422, 07CW0190 +2
35050.08218 1872-07-011953-09-10 0.0 cfs 0.0 11.981 cfs Municipal 05CW0323, 92CW0129
35050.08492 1873-04-011953-09-10 0.0 cfs 0.0 96.7758 cfs Municipal 92CW0129, 05CW0323
35050.10736 1879-05-241953-09-10 0.0 cfs 0.0 40.5178 cfs Municipal 05CW0323, 92CW0129
35050.11003 1880-02-151953-09-10 0.0 cfs 0.0 59.2519 cfs Municipal 92CW0129, 05CW0323
35050.26297 1921-12-311953-09-10 6408.0 AF 0.0 — Irrigation 05CW0152, CA11217
46751.20669 1906-08-041978-12-31 0.0 AF 0.0 157.2291 AF Irrigation, Municipal +8 92CW0129, 05CW0323 +1
52210.00000 1992-12-111992-12-31 0.0 cfs 0.0 3315.0 cfs All beneficial uses 92CW0130
52217.00000 1992-12-181992-12-31 0.0 cfs 0.0 4456.0 cfs Municipal 92CW0129, 05CW0323
55152.00000 2000-12-312000-12-31 0.0 cfs 0.0 250.0 cfs Irrigation, Municipal +7 00CW0251
56224.00000 2003-12-082003-12-31 0.0 cfs 0.0 3159.52 cfs Storage, Irrigation +8 03CW0422, 03CW0421
57297.00000 2006-11-152006-12-31 0.0 cfs 0.0 36.0 cfs Municipal 06CW0258
57324.00000 2006-12-122006-12-31 0.0 cfs 0.0 36.0 cfs Municipal 06CW0259
57582.00000 2007-08-272007-12-31 0.0 cfs 0.0 100.0 cfs Municipal 07CW0190
57687.00000 2007-12-102007-12-31 0.0 cfs 0.0 1500.0 cfs Municipal 07CW0328
59161.00000 2011-12-232011-12-31 0.0 cfs 0.0 3728.3 cfs Municipal 11CW0265
59879.00000 2013-12-102013-12-31 0.0 AF 32500.0 AF — Municipal 13CW3185

Amounts marked cfs are flow rates; AF are stored volumes (storage rights are decreed in acre-feet). An absolute amount of 0.0 beside an alt-point amount is not a dead right: the water is decreed at another structure, and that row records permission to divert it here instead (an alternate point or exchange). A case listing several numbers reflects the original decree plus later change cases.

Recorded use (last 15 years on record)

Years far under the decreed amount? That gap has a name — paper water vs. wet water, explained on this structure.

In a median year this structure has a recorded diversion of 5,510 AF. Its most recent year on record, 2025, came in at 20 AF — 0% of that, and 1st lowest of the 14 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)
2011 6,577 11th lowest of 14 · 119% of median 7,968 184 64.6
2012 7,380 12th lowest of 14 · 134% of median 8,687 234 67.0
2013 11,553 14th lowest of 14 · 210% of median 13,482 158 1443.0
2014 8,043 13th lowest of 14 · 146% of median 3,550 188 111.9
2015 4,341 5th lowest of 14 · 79% of median 5,440 163 106.0
2016 5,765 8th lowest of 14 · 105% of median 4,624 153 64.0
2017 6,169 9th lowest of 14 · 112% of median 6,102 83 69.1
2018 2,785 4th lowest of 14 · 50% of median 5,318 73 26.2
2019 5,254 7th lowest of 14 · 95% of median 6,488 118 75.0
2020 4,448 6th lowest of 14 · 81% of median 6,034 196 65.5
2021 6,383 10th lowest of 14 · 116% of median 5,187 187 67.5
2022 2,518 3rd lowest of 14 · 46% of median 3,808 120 17.3
2023 — no recorded volume 5,242 0 —
2024 794 2nd lowest of 14 · 14% of median 5,543 43 16.1
2025 20 1st lowest of 14 · 0% of median — 1 10.1

How good is our record of it?

Grade A (10/10 points) — the components below are the finding; the letter alone is not.

The rubric, component by component
CheckStateDetail
identity complete name, type, and water source all on file
decreed rights on file 50 right(s), seniority decoded
diversion record current 10139 measured days, newest 331 day(s) before the data's end (DWR publishes ~1 year in arrears)
record continuity continuous 89% of the irrigation seasons in 1972-2025 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.

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