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NORTH STERLING CANAL

Structure dossier · WDID 0100687 · DITCH · SOUTH PLATTE RIVER · DWR record

North Sterling Canal 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 2026-10-15 07:58 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.

Where this structure is measured

GageFlowing nowRecordHow we know
NORTH STERLING CANAL STECANCO 0.0 cfs 1985–2026, 10,336 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

0.0 cfs as of 2026-10-15 05:45 (2.2 h ago)

Zero is a real reading: the gage is reporting, and it says this structure is not diverting right now.

Provisional 15-minute telemetry from STECANCO ↗ (NORTH STERLING 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

NORTH STERLING CANAL holds 5 decreed rights on SOUTH PLATTE RIVER. A call at SOUTH PLATTE RIVER COMPACT on SOUTH PLATTE RIVER (1897-06-13), and 1 other currently reaches it: fully called out. 2 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 15 recorded years it diverts 136,544 acre-feet.

Assembled from the figures on this page — every number above is checked against them before it is shown (6 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

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

● Junior rights called out — call at STERLING IRR CO DITCH 1 (SOUTH PLATTE RIVER, priority 1936-01-13).

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 1908-06-15 — 470th most senior of the 7708 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: MANTEY RES 7 (1908-06-12). Immediately behind: GLEASON DITCH (1908-06-20).

On MAINSTEM at river mile 163.9, it is 368th of 384 down the reach. Immediately upstream: UPPER P & B BEAVER CREEK RT. Immediately downstream: UNION 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 (7)

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
21350.00000 1908-06-151914-01-15 300.0 cfs 0.0 — Storage CA2142
26302.23522 1914-05-271936-01-13 460.0 cfs 0.0 — Irrigation CA8492
26302.23953 1915-08-011936-01-13 411.0 cfs 0.0 — Storage CA2142
53454.00000 1996-05-081996-12-31 7800.0 AF 0.0 — Augmentation, Recharge 96CW1034
53454.00000 1996-05-081996-12-31 294.0 cfs 306.0 cfs — Augmentation, Recharge 96CW1034
55882.00000 2002-12-311996-12-31 0.0 AF 24000.0 AF — Augmentation, Recharge 96CW1034, 12CW0186
55882.00000 2002-12-311996-12-31 510.0 cfs 90.0 cfs 600.0 cfs Augmentation, Recharge 96CW1034, 12CW0186

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 1975.0 cfs decreed rate, the average day over the last 6 year(s) had 1975.0 cfs in priority (100% of the decree). No call in effect is a free river — that was 100.0% of days.

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.

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 1975.0 cfs 100% 287 0
2025 1975.0 cfs 100% 365 0
2024 1975.0 cfs 100% 366 0
2023 1975.0 cfs 100% 365 0
2022 1975.0 cfs 100% 365 0
2021 1975.0 cfs 100% 78 0
Show the last 120 days, day by day
DateIn priorityControlling call
2026-10-14 1975.0 cfs (100%) free river — no call
2026-10-13 1975.0 cfs (100%) free river — no call
2026-10-12 1975.0 cfs (100%) free river — no call
2026-10-11 1975.0 cfs (100%) free river — no call
2026-10-10 1975.0 cfs (100%) free river — no call
2026-10-09 1975.0 cfs (100%) free river — no call
2026-10-08 1975.0 cfs (100%) free river — no call
2026-10-07 1975.0 cfs (100%) free river — no call
2026-10-06 1975.0 cfs (100%) free river — no call
2026-10-05 1975.0 cfs (100%) free river — no call
2026-10-04 1975.0 cfs (100%) free river — no call
2026-10-03 1975.0 cfs (100%) free river — no call
2026-10-02 1975.0 cfs (100%) free river — no call
2026-10-01 1975.0 cfs (100%) free river — no call
2026-09-30 1975.0 cfs (100%) free river — no call
2026-09-29 1975.0 cfs (100%) free river — no call
2026-09-28 1975.0 cfs (100%) free river — no call
2026-09-27 1975.0 cfs (100%) free river — no call
2026-09-26 1975.0 cfs (100%) free river — no call
2026-09-25 1975.0 cfs (100%) free river — no call
2026-09-24 1975.0 cfs (100%) free river — no call
2026-09-23 1975.0 cfs (100%) free river — no call
2026-09-22 1975.0 cfs (100%) free river — no call
2026-09-21 1975.0 cfs (100%) free river — no call
2026-09-20 1975.0 cfs (100%) free river — no call
2026-09-19 1975.0 cfs (100%) free river — no call
2026-09-18 1975.0 cfs (100%) free river — no call
2026-09-17 1975.0 cfs (100%) free river — no call
2026-09-16 1975.0 cfs (100%) free river — no call
2026-09-15 1975.0 cfs (100%) free river — no call
2026-09-14 1975.0 cfs (100%) free river — no call
2026-09-13 1975.0 cfs (100%) free river — no call
2026-09-12 1975.0 cfs (100%) free river — no call
2026-09-11 1975.0 cfs (100%) free river — no call
2026-09-10 1975.0 cfs (100%) free river — no call
2026-09-09 1975.0 cfs (100%) free river — no call
2026-09-08 1975.0 cfs (100%) free river — no call
2026-09-07 1975.0 cfs (100%) free river — no call
2026-09-06 1975.0 cfs (100%) free river — no call
2026-09-05 1975.0 cfs (100%) free river — no call
2026-09-04 1975.0 cfs (100%) free river — no call
2026-09-03 1975.0 cfs (100%) free river — no call
2026-09-02 1975.0 cfs (100%) free river — no call
2026-09-01 1975.0 cfs (100%) free river — no call
2026-08-31 1975.0 cfs (100%) free river — no call
2026-08-30 1975.0 cfs (100%) free river — no call
2026-08-29 1975.0 cfs (100%) free river — no call
2026-08-28 1975.0 cfs (100%) free river — no call
2026-08-27 1975.0 cfs (100%) free river — no call
2026-08-26 1975.0 cfs (100%) free river — no call
2026-08-25 1975.0 cfs (100%) free river — no call
2026-08-24 1975.0 cfs (100%) free river — no call
2026-08-23 1975.0 cfs (100%) free river — no call
2026-08-22 1975.0 cfs (100%) free river — no call
2026-08-21 1975.0 cfs (100%) free river — no call
2026-08-20 1975.0 cfs (100%) free river — no call
2026-08-19 1975.0 cfs (100%) free river — no call
2026-08-18 1975.0 cfs (100%) free river — no call
2026-08-17 1975.0 cfs (100%) free river — no call
2026-08-16 1975.0 cfs (100%) free river — no call
2026-08-15 1975.0 cfs (100%) free river — no call
2026-08-14 1975.0 cfs (100%) free river — no call
2026-08-13 1975.0 cfs (100%) free river — no call
2026-08-12 1975.0 cfs (100%) free river — no call
2026-08-11 1975.0 cfs (100%) free river — no call
2026-08-10 1975.0 cfs (100%) free river — no call
2026-08-09 1975.0 cfs (100%) free river — no call
2026-08-08 1975.0 cfs (100%) free river — no call
2026-08-07 1975.0 cfs (100%) free river — no call
2026-08-06 1975.0 cfs (100%) free river — no call
2026-08-05 1975.0 cfs (100%) free river — no call
2026-08-04 1975.0 cfs (100%) free river — no call
2026-08-03 1975.0 cfs (100%) free river — no call
2026-08-02 1975.0 cfs (100%) free river — no call
2026-08-01 1975.0 cfs (100%) free river — no call
2026-07-31 1975.0 cfs (100%) free river — no call
2026-07-30 1975.0 cfs (100%) free river — no call
2026-07-29 1975.0 cfs (100%) free river — no call
2026-07-28 1975.0 cfs (100%) free river — no call
2026-07-27 1975.0 cfs (100%) free river — no call
2026-07-26 1975.0 cfs (100%) free river — no call
2026-07-25 1975.0 cfs (100%) free river — no call
2026-07-24 1975.0 cfs (100%) free river — no call
2026-07-23 1975.0 cfs (100%) free river — no call
2026-07-22 1975.0 cfs (100%) free river — no call
2026-07-21 1975.0 cfs (100%) free river — no call
2026-07-20 1975.0 cfs (100%) free river — no call
2026-07-19 1975.0 cfs (100%) free river — no call
2026-07-18 1975.0 cfs (100%) free river — no call
2026-07-17 1975.0 cfs (100%) free river — no call
2026-07-16 1975.0 cfs (100%) free river — no call
2026-07-15 1975.0 cfs (100%) free river — no call
2026-07-14 1975.0 cfs (100%) free river — no call
2026-07-13 1975.0 cfs (100%) free river — no call
2026-07-12 1975.0 cfs (100%) free river — no call
2026-07-11 1975.0 cfs (100%) free river — no call
2026-07-10 1975.0 cfs (100%) free river — no call
2026-07-09 1975.0 cfs (100%) free river — no call
2026-07-08 1975.0 cfs (100%) free river — no call
2026-07-07 1975.0 cfs (100%) free river — no call
2026-07-06 1975.0 cfs (100%) free river — no call
2026-07-05 1975.0 cfs (100%) free river — no call
2026-07-04 1975.0 cfs (100%) free river — no call
2026-07-03 1975.0 cfs (100%) free river — no call
2026-07-02 1975.0 cfs (100%) free river — no call
2026-07-01 1975.0 cfs (100%) free river — no call
2026-06-30 1975.0 cfs (100%) free river — no call
2026-06-29 1975.0 cfs (100%) free river — no call
2026-06-28 1975.0 cfs (100%) free river — no call
2026-06-27 1975.0 cfs (100%) free river — no call
2026-06-26 1975.0 cfs (100%) free river — no call
2026-06-25 1975.0 cfs (100%) free river — no call
2026-06-24 1975.0 cfs (100%) free river — no call
2026-06-23 1975.0 cfs (100%) free river — no call
2026-06-22 1975.0 cfs (100%) free river — no call
2026-06-21 1975.0 cfs (100%) free river — no call
2026-06-20 1975.0 cfs (100%) free river — no call
2026-06-19 1975.0 cfs (100%) free river — no call
2026-06-18 1975.0 cfs (100%) free river — no call
2026-06-17 1975.0 cfs (100%) free river — no call
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: 0.

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 136,544 AF. Its most recent year on record, 2025, came in at 79,090 AF — 58% of that, and 1st 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 152,132 10th lowest of 15 · 111% of median — 273 915.0
2012 80,486 2nd lowest of 15 · 59% of median — 133 772.0
2013 136,544 8th lowest of 15 · 100% of median — 210 737.8
2014 163,927 11th lowest of 15 · 120% of median — 264 510.0
2015 98,896 3rd lowest of 15 · 72% of median — 208 501.0
2016 121,319 6th lowest of 15 · 89% of median — 251 550.0
2017 168,296 13th lowest of 15 · 123% of median — 286 805.5
2018 140,026 9th lowest of 15 · 103% of median — 269 597.3
2019 132,960 7th lowest of 15 · 97% of median — 259 506.0
2020 103,044 4th lowest of 15 · 76% of median — 233 524.8
2021 106,745 5th lowest of 15 · 78% of median — 186 523.0
2022 164,194 12th lowest of 15 · 120% of median — 242 704.0
2023 262,084 15th lowest of 15 · 192% of median — 363 832.6
2024 180,699 14th lowest of 15 · 132% of median — 288 816.2
2025 79,090 1st lowest of 15 · 58% of median — 170 535.0

How good is our record of it?

Grade A (9/10 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 7 right(s), seniority decoded
diversion record current 8956 measured days, newest 331 day(s) before the data's end (DWR publishes ~1 year in arrears)
record continuity patchy 57% of the irrigation seasons in 1952-2025 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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