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EWING DITCH

Structure dossier · WDID 1100500 · DITCH · SOUTH FORK EAGLE RIVER · DWR record

Ewing Ditch is a ditch on South Fork Eagle 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 21:55 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DWR’s own records name no owner for a ditch, reservoir or well, so this comes from the source shown and can be out of date.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

This is water crossing the divide

Ewing Ditch is the receiving end of the Ewing Ditch (ditch). It takes water from Piney Creek, Eagle River headwaters at Tennessee Pass (Div 5) and delivers it to Tennessee Creek, Arkansas basin (Div 2). Water arriving here is an import: it was never in this basin’s own runoff.

The other end: Ewing Ditch 3704642

Metered as a facility: EWIDITCO, EWIDBPCO — the record for the crossing itself, which may run longer than the record for either structure.

Owner / operator: Pueblo Board of Water Works

From the site’s hand-curated register of transbasin facilities. Every crossing on one page →

Where this structure is measured

GageFlowing nowRecordHow we know
EWING DITCH AT TENNESSEE PASS, CO. EWIDITCO 0.0 cfs 1947–2026, 26,392 days DWR telemetry mapping
EWING DITCH BYPASS EWIDBPCO — 2026–2026, 141 days co-located, 11 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.

Flowing now

0.0 cfs as of 2026-10-15 20:45 (1.2 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 EWIDITCO ↗ (EWING DITCH AT TENNESSEE PASS, CO.). 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

In a median year over its last 15 recorded years it diverts 899 acre-feet.

Assembled from the figures on this page — every number above is checked against them before it is shown (2 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.

Which of its rights are out of priority?

The outlook for the weeks ahead is not computable for this structure: no decreed right on file, so there is no priority to test.

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 899 AF. Its most recent year on record, 2025, came in at 542 AF — 60% of that, and 5th 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)
1981 540 4th lowest of 15 · 60% of median — 189 4.1
1982 1,230 12th lowest of 15 · 137% of median — 160 12.0
1983 1,986 14th lowest of 15 · 221% of median — 148 29.0
1986 1,074 11th lowest of 15 · 120% of median — 80 16.0
2015 446 1st lowest of 15 · 50% of median 446 123 8.3
2016 899 8th lowest of 15 · 100% of median 899 211 16.7
2017 2,154 15th lowest of 15 · 240% of median 2,154 172 31.8
2018 525 3rd lowest of 15 · 58% of median 525 106 6.8
2019 1,859 13th lowest of 15 · 207% of median 1,859 196 24.7
2020 654 7th lowest of 15 · 73% of median 654 137 7.6
2021 489 2nd lowest of 15 · 54% of median 489 179 3.9
2022 609 6th lowest of 15 · 68% of median 609 197 5.8
2023 1,040 9th lowest of 15 · 116% of median 1,040 214 9.8
2024 1,044 10th lowest of 15 · 116% of median 1,044 214 18.1
2025 542 5th lowest of 15 · 60% of median 542 214 7.7

How good is our record of it?

Grade C (5/10 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 absent no water rights cached for this WDID
diversion record present 3857 measured days; currency unknown (no data-coverage date to compare against)
record continuity sparse 32% of the irrigation seasons in 1970-2025 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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