BasinWise — Dependency & Reliability Intelligencerelease v1 · genome v1 · run run_water_rights_v133 signals92,201 instances

Overview / structure / dependency report

BIG WELLMAN D SEEP HGT 1

WDID 0600502Water Right Dependency Report · generated from release evidence · 2026-07-29

Decreed

430.0 cfs

1 right(s) · senior 1922-11-10

Median reliability

86%

severe: 32%

Observed callers

dominant: BOULDER WHITE ROCK DITCH

Served land

0 parcels

$0 assessed

Active signals

0 entitlement gap(s)

1 · What it isdecree components and legal genealogy

Right	Priority	Amount	Uses	Status
0600502-40740.26611	1922-11-10 (admin 40740.26611)	430 cfs	134	Absolute

2 · How it has performedbeneficial-use evidence, honestly classified

3 · What it depends on & who controls its riverobserved call causality + supply support

BOULDER WHITE ROCK DITCH: 201.1 day-eq · 151 episodes / 23 seasons · last 2026 · conf 0.98
HIGHLAND SOUTH SIDE DITCH: 143.5 day-eq · 34 episodes / 13 seasons · last 2025 · conf 0.98
NORTH BOULDER FARMERS DITCH: 103.3 day-eq · 83 episodes / 22 seasons · last 2026 · conf 0.98
LEGGETT DITCH: 101.4 day-eq · 88 episodes / 22 seasons · last 2026 · conf 0.98
FARMERS DITCH: 82.8 day-eq · 43 episodes / 15 seasons · last 2026 · conf 0.98
BOULDER WELD CTY DITCH: 70.3 day-eq · 71 episodes / 19 seasons · last 2025 · conf 0.98
owner evidence: XCEL ENERGY · probable (0.55)

4 · What happens under stressempirical administration replay + season nowcast

median year: 86% seasonal reliability
severe drought (2002-class): 32% seasonal reliability
method: empirical replay of observed administration by condition class — modeled, not observed

5 · What else is affected — the land under this waterserved parcels with entitlement + conveyance posture (three truths, never collapsed)

Parcel	Owner (assessor)	Acres	Assessed	Coverage	Entitlement	Deed posture

6 · What can impair it — active signalsevery detection on this structure, its rights, and its land

Pri	Signal	Detail	Score
95	Critical call exposure	BIG WELLMAN D SEEP HGT 1 (1922 priority) carries 899.7 day-equivalents of observed call exposure from 27 senior caller(s); dominant caller BOULDER WHITE ROCK DITCH (201.1 day-eq). 691 season-days curtailed in the last five seasons.	53.5
85	Season call nowcast: expected curtailment	BIG WELLMAN D SEEP HGT 1, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~145 of 214 season days from the basin's administration record. Dominant caller BOULDER WHITE ROCK DITCH: P(call by Jun 15) = 1 over 6 comparable seasons.	94.4
78	Drought reliability cliff	BIG WELLMAN D SEEP HGT 1: modeled irrigation-season reliability 86% in median years → 50% dry → 32% severe drought (2002-class replay). A 54-point cliff under stress.	80.8

7 · Verify before closingthe transaction-specific evidence checklist

resolve right ownership: best evidence is probable — county deed research + company records required
confirm administration exposure: 6 observed senior caller(s); verify current call status with the division office
professional review: this report is data intelligence, not a legal or engineering opinion

Evidence basewhat this report rests on — and what it doesn't

source coverage: 6/10 sources live — development (seed fallback present)
sources: CDSS structures/net-amounts/calls/diversions · OIT parcels (annual, ≤12mo lag) · irrigated lands · satellite ET · court outcomes · company ledgers
disclaimer: data intelligence from public + program records; not a legal opinion, engineering report, or title commitment