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BURLINGTON D RIVER HEADGATE

Structure dossier · WDID 0200802 · DITCH · SOUTH PLATTE RIVER · DWR record

Burlington D River Headgate is a ditch on South Platte River in Colorado. This page is its public record: the water it has a right to, whether it may take it today, and its history, compiled from the Colorado Division of Water Resources.

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 2026-10-14 05:49 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.

The record and the river

Where this structure is measured

GageFlowing nowRecordHow we know
BURLINGTON-WELLINGTON CANAL BURCANCO 45.2 cfs 1985–2026, 13,782 days DWR telemetry mapping

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.

Flowing now

45.2 cfs as of 2026-10-14 02:30 (3.3 h ago)

Provisional 15-minute telemetry from BURCANCO ↗ (BURLINGTON-WELLINGTON CANAL). Raw, not the approved record — it is never merged into the diversion history below. DWR publishes the official diversion record after the water year closes and is approved, which is why that record ends months back while this reads minutes ago.

In short

BURLINGTON D RIVER HEADGATE holds 48 decreed rights on SOUTH PLATTE RIVER. As of 2026-10-02, 41 of them are out of priority under a call at admin 7948.00000 placed by WESTERN MUTUAL DITCH. Its 7 most senior rights, back to 1861-06-29, keep diverting. 4 further calls state no district and sit outside this one, so they are counted here rather than assumed either way. In a median year over its last 15 recorded years it diverts 94,869 acre-feet. That use is rising by about 9156.6 acre-feet a year over 15 years (p=0.0010901934763789534). It was a party to 43 court cases that also touched 86 other structures.

Assembled from the figures on this page — every number above is checked against them before it is shown (14 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 (diversion). Faint dots are the neighbouring water; click any to open it.

Current administration

● Junior rights called out — call at SOUTH PLATTE RIVER COMPACT (SOUTH PLATTE RIVER, priority 1897-06-13).

● Junior rights called out — call at WESTERN MUTUAL DITCH (SOUTH PLATTE RIVER, priority 1871-10-04).

● Junior rights called out — call at STERLING IRR CO DITCH 1 (SOUTH PLATTE RIVER, priority 1901-02-16).

Which of its rights are out of priority?

Under today's controlling call (WESTERN MUTUAL DITCH, priority 1871-10-04): 41 of this structure's 48 rights are out of priority now. (4 call(s) state no district and sit outside this one — not judged, not assumed.) In the 5 past years most like this one (2025, 2024, 2023, 2022, 2021), 3 of the rights shown below were out at least one week in at least one analog year.

Right (priority)NowAnalog years outMajority out by
1861-06-29 4198 ● in priority 0 of 5 —
1861-11-01 4323 ● in priority 0 of 5 —
1862-06-02 4536 ● in priority 0 of 5 —
… 2 more rights between these …
1864-04-01 5205 ● in priority 0 of 5 —
1867-03-05 6273 ● in priority 0 of 5 —
1874-04-05 8861 ● out 0 of 5 —
1885-11-20 13108 ● out 0 of 5 —
… 36 more rights between these …
2017-11-30 61330 ● out 5 of 5 2026-10-02
2018-11-30 61695 ● out 5 of 5 2026-10-02
2016-04-19 61727 ● out 5 of 5 2026-10-02
How this table is built, and what it is not

“Now” compares each right's admin number with today's most senior applicable active call. The outlook uses flows at CHEROKEE POWER PLANT RETURN TO SOUTH PLATTE RIVER around 2026-10-02 (the newest reading on file) — currently 0% of that gage's own median for this window — to pick the 5 most similar past years with complete administration records (2011–2026). Only calls that verifiably apply count: DWR's own district statements in the call's set comments, a caller located in this district, or — on the same stream, where DWR records both stream miles (measured from the mouth) — a caller DOWNSTREAM of this structure. An upstream senior cannot demand water this diversion never deprives it of. Calls that state nothing and sit elsewhere are counted as unjudged rather than assumed, which also means the verified record is shorter than the raw one: early calls rarely state districts. For each week it finds the most senior call then in force; a right is out in that week exactly when that call is senior to it, which is why one line prices every right and juniors can be out while seniors keep diverting. “Majority out by” is the first week out in more than half the analog years. A frequency among named historical years, not a probability from a model, and not a forecast of what the division engineer will do. It says how often years whose flow resembled this one were under a call senior to this right in a given week. Snowpack, storage, and the actual administrative decisions of a given season are not modelled. Check the analog years listed: if they do not resemble this year to you, the outlook does not either.

Where it sits in line

Priority 1861-06-29 — 36th most senior of the 21886 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: 0200709 (1861-06-29). Immediately behind: 0208828 (1861-06-29).

On MAINSTEM at river mile 110.5, it is 749th of 890 down the reach. Immediately upstream: CSU SPUR PRECIP CAPTURE . Immediately downstream: RIVERSIDE CEMETERY DITCH.

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 (54)

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
4198.00000 1861-06-291884-10-04 0.0 cfs 0.0 4.536 cfs Irrigation, Municipal +8 89CW0132
4323.00000 1861-11-011884-10-04 0.0 cfs 0.0 20.9704 cfs Irrigation, Municipal +8 89CW0132
4536.00000 1862-06-021918-08-14 3.0 cfs 0.0 — Irrigation CA45791
4822.00000 1863-03-151883-04-28 0.0 AF 0.0 698.85 AF Municipal, Augmentation 09CW0084
4822.00000 1863-03-151883-04-28 0.0 cfs 0.0 2.65 cfs Municipal, Augmentation 09CW0084
5057.00000 1863-11-051884-10-04 0.0 cfs 0.0 5.6447 cfs Irrigation, Municipal +8 89CW0132
5205.00000 1864-04-011883-04-28 27.4 cfs 0.0 — Irrigation, Municipal +8 90CW0229, CA52668 +12
6273.00000 1867-03-051884-10-04 0.0 cfs 0.0 8.2914 cfs Irrigation, Municipal +8 89CW0132
8861.00000 1874-04-051884-10-04 0.0 cfs 0.0 8.7307 cfs Irrigation, Municipal +8 89CW0132
13108.00000 1885-11-201893-07-08 200.0 cfs 0.0 — Irrigation, Municipal +8 87CW0107, W8440 +11
21150.00000 1907-11-281918-08-02 300.0 cfs 0.0 — Irrigation CA54658
21252.00000 1908-03-091918-08-02 565.2 cfs 0.0 — Irrigation, Municipal +3 CA54658, 02CW0403 +2
21562.00000 1909-01-131918-08-02 934.8 cfs 0.0 — Storage, Irrigation +8 CA40750, 15CW3012 +2
21698.00000 1909-05-291918-08-02 200.0 cfs 0.0 — Storage CA54658
22239.00000 1910-11-211918-08-02 500.0 cfs 0.0 — Storage CA54658
22355.00000 1911-03-171918-08-02 400.0 cfs 0.0 — Storage CA54658
25050.24864 1918-01-281924-11-12 150.0 cfs 0.0 — Storage CA54658
25353.00000 1919-06-011924-11-12 20.25 cfs 0.0 — Storage CA54658
26088.00000 1921-06-051924-11-12 20.25 cfs 0.0 — Storage CA54658
26463.00000 1922-06-151924-11-12 150.0 cfs 0.0 — Storage CA54658
26498.00000 1922-07-201924-11-12 450.0 cfs 0.0 — Storage CA54658
47481.00000 1979-12-311979-12-31 0.0 cfs 0.0 200.0 cfs Municipal, Other 79CW0374, 99CW0078 +1
48974.00000 1984-02-011984-12-31 10000.0 AF 0.0 — Irrigation, Municipal +6 20CW3129, 84CW0090 +1
48974.00000 1984-02-011984-12-31 648.9 cfs 251.1 cfs — Irrigation, Municipal +6 20CW3129, 84CW0090 +1
49673.49271 1984-11-241986-12-31 20.0 cfs 0.0 — Storage W8440
50403.47481 1979-12-311988-12-31 0.0 cfs 0.0 200.0 cfs Municipal, Other 88CW0261
51864.50687 1988-10-101992-12-31 80.0 cfs 35.0 cfs 100.0 cfs Storage, Municipal +1 92CW0164, 02CW0051
52595.20920 1907-04-121994-12-31 60.0 cfs 0.0 — Storage 94CW0299
53557.00000 1996-08-191991-12-31 0.0 cfs 400.0 cfs — Storage 91CW0126
55514.00000 2001-12-282001-12-31 0.0 AF 5000.0 AF — Municipal 01CW0285, 01CW0286
55514.00000 2001-12-282001-12-31 0.0 cfs 70.0 cfs — Municipal 01CW0285, 01CW0286
55667.00000 2002-05-302002-12-31 0.0 cfs 0.0 450.0 cfs All beneficial uses 02CW0403, 15CW3065
55882.55667 2002-05-302003-12-31 462.5 cfs 437.5 cfs — Irrigation, Municipal +7 15CW3065, 02CW0403
56025.00000 2003-05-231996-12-31 0.0 cfs 0.0 500.0 cfs Municipal, All beneficial uses 11CW0203, 96CW1116
56611.00000 2004-12-292004-12-31 0.0 cfs 0.0 100.0 cfs Municipal 22CW3090, 04CW0350
57494.00000 2007-05-312007-12-31 0.0 AF 0.0 60942.0 AF Augmentation, Recharge 03CW0442
57494.00000 2007-05-312007-12-31 0.0 cfs 0.0 309.6 cfs Augmentation, Recharge 03CW0442
58132.00000 2009-02-272009-12-31 0.0 AF 0.0 132.0 AF Municipal 03CW0320, 15CW3170
58132.00000 2009-02-272009-12-31 0.0 cfs 0.0 120.6 cfs Municipal 03CW0320, 15CW3170
58317.00000 2009-08-312009-12-31 0.0 AF 0.0 9900.0 AF Municipal 19CW3180, 09CW0123
58317.00000 2009-08-312009-12-31 0.0 cfs 0.0 150.0 cfs Municipal 19CW3180, 09CW0123
58366.00000 2009-10-192009-12-31 0.0 cfs 0.0 90.2 cfs Municipal 04CW0174, 15CW3170
58437.00000 2009-12-292009-12-31 0.0 cfs 50.0 cfs — Municipal 09CW0264
58439.00000 2009-12-312009-12-31 0.0 cfs 0.0 866.33 cfs Municipal, Augmentation +1 09CW0283
59068.00000 2011-09-212011-12-31 24.5 cfs 225.5 cfs — Municipal, Augmentation +1 20CW3161, 11CW0280
59080.00000 2011-10-032011-12-31 0.0 cfs 0.0 1275.0 cfs Municipal, Augmentation +1 09CW0283
59167.00000 2011-12-292011-12-31 0.0 cfs 0.0 1190.2 cfs Municipal, Augmentation +1 11CW0285
59590.00000 2013-02-242013-12-31 0.0 cfs 0.0 40.56 cfs Municipal, Augmentation +1 11CW0285, 09CW0283
60264.00000 2014-12-302014-12-31 0.0 cfs 900.0 cfs — Municipal, Augmentation +1 14CW3164
60750.00000 2016-04-292016-12-31 0.0 cfs 0.0 525.0 cfs Irrigation, Municipal +5 16CW3059
60980.00000 2016-12-152016-12-31 0.0 cfs 105.0 cfs 2997.59 cfs Municipal, Augmentation +2 16CW3195, 16CW3196
61330.00000 2017-11-302016-12-31 0.0 cfs 165.0 cfs 1065.0 cfs Municipal, Augmentation +2 16CW3196, 16CW3195
61695.00000 2018-11-302018-12-31 0.0 cfs 0.0 112.4 cfs Municipal 18CW3195
61726.60740 2016-04-192019-12-31 0.0 cfs 250.0 cfs — Storage, Irrigation +7 19CW3062

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.

How much of this decree was in priority, by day

A right is in priority on a day when it is senior to every call administering this structure. Of its 5216.8 cfs decreed rate, the average day over the last 6 year(s) had 2161.846 cfs in priority (41% of the decree). No call in effect is a free river — that was 14.0% of days.

On 1566 days some rights were in priority and others were not — seniority splits a decree rather than switching it off. Calls are set and released at a time of day, not at midnight, so a day is counted by the hour: a call setting at 4pm costs that day a third of its rate, not all of it. A call began or ended mid-day on 32 of these days.

This is paper water. It is the decreed rate that was in priority — not water that was physically in the stream, and not water this structure diverted. A ditch can be in priority for 50 cfs on a day the creek carries five. What that distinction means →

YearMean in priority (Apr–Sep) Share of decreeFree-river days Days fully out
2026 187.41 cfs 4% 0 0
2025 748.39 cfs 14% 39 0
2024 2179.08 cfs 42% 114 0
2023 3099.3 cfs 59% 70 0
2022 956.51 cfs 18% 32 0
2021 809.99 cfs 16% 0 0
Show the last 120 days, day by day
DateIn priorityControlling call
2026-10-13 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-10-12 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-10-11 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-10-10 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-10-09 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-10-08 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-10-07 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-10-06 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-10-05 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-10-04 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-10-03 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-10-02 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-10-01 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-30 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-29 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-28 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-27 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-26 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-25 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-24 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-23 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-22 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-21 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-20 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-19 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-18 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-17 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-16 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-15 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-14 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-13 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-12 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-11 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-10 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-09 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-08 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-07 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-06 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-05 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-04 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-03 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-02 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-09-01 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-31 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-30 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-29 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-28 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-27 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-26 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-25 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-24 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-23 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-22 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-21 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-20 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-19 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-18 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-17 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-16 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-15 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-14 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-13 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-12 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-11 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-10 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-09 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-08 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-07 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-06 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-05 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-04 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-03 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-02 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-08-01 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-31 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-30 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-29 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-28 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-27 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-26 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-25 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-24 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-23 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-22 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-21 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-20 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-19 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-18 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-17 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-16 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-15 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-14 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-13 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-12 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-11 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-10 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-09 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-08 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-07 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-06 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-05 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-04 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-03 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-02 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-07-01 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-30 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-29 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-28 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-27 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-26 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-25 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-24 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-23 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-22 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-21 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-20 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-19 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-18 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-17 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
2026-06-16 230.4 cfs (4%) HARMONY DITCH 1, 1897-05-03 · South Platte River · same source, at or above the calling point
How this is worked out, and what it cannot tell you
  • This is a decreed rate that was in priority -- paper water, not water that was available or diverted.
  • Augmentation plans, exchanges and substitute supply plans let a structure divert lawfully while out of priority; none are modelled.
  • Calls on the river this source flows into are included without a position test, so curtailment can be over-reported where the calling point sits above the confluence.
  • DWR's administration is the authority. Scored against DWR's own call analysis, this method agreed on 95.5% of 85,822 structure-days (2026-08-29).
  • Calls considered for this structure: 1878.

How often is it out of priority?

Across the 11 seasons whose call record is complete enough to judge this structure (2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026), week by week from April.

most senior right · admin 4198.00000 · never out of priority in these seasons
AprMayJunJulAugSep
middle right · admin 51864.50687 · peaks at 10 of 11 seasons
AprMayJunJulAugSep
most junior right · admin 61726.60740 · peaks at 10 of 11 seasons
AprMayJunJulAugSep
Why only 11 seasons, and what the bars mean

Each bar is one week: how many of those seasons that right was out of priority under a call this site can lawfully attribute to this structure. Green is never, red is every season on record.

The short record is a property of DWR's data, not of the river. A call only counts against a structure when we can establish it applies — by the districts named in its set comments, or by stream mile on the same source. DWR did not begin stating affected districts routinely until about 2015: fewer than one call in ten can be judged before then, against roughly two in three since. A season we cannot judge is not a season without calls, so it is dropped rather than counted as quiet — 12 seasons dropped here.

This is a frequency over past seasons, not a forecast. It says nothing about what the division engineer will do this year.

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 94,869 AF. Its most recent year on record, 2025, came in at 112,377 AF — 118% of that, and 11th lowest of the 15 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 3,105 1st lowest of 15 · 3% of median — 20 90.2
2012 61,960 6th lowest of 15 · 65% of median — 277 466.0
2013 20,120 3rd lowest of 15 · 21% of median — 311 195.9
2014 18,833 2nd lowest of 15 · 20% of median — 274 130.4
2015 72,589 7th lowest of 15 · 76% of median — 328 472.6
2016 94,869 8th lowest of 15 · 100% of median — 366 652.5
2017 38,835 4th lowest of 15 · 41% of median — 338 535.5
2018 46,654 5th lowest of 15 · 49% of median — 356 230.0
2019 162,066 14th lowest of 15 · 171% of median — 344 1183.0
2020 103,506 9th lowest of 15 · 109% of median — 366 539.6
2021 145,594 13th lowest of 15 · 154% of median — 364 933.2
2022 103,828 10th lowest of 15 · 109% of median — 365 493.3
2023 135,330 12th lowest of 15 · 143% of median — 365 1293.1
2024 166,730 15th lowest of 15 · 176% of median — 366 1166.2
2025 112,377 11th lowest of 15 · 118% of median — 304 776.9

Call-derived yield: senior right divertible 72.5% of a median season / 38.3% dry-year.

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 54 right(s), seniority decoded
diversion record current 22139 measured days, newest 49 day(s) before the data's end (DWR publishes ~1 year in arrears)
record continuity continuous 100% of the irrigation seasons in 1950-2026 carry measured days
published-record stability stable no upstream revisions recorded against this structure

Recent watch events

  • 2026-09-05 — legal document update (case 16CW3196)

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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