BasinWise — Dependency & Reliability Intelligencerelease v1 · genome v1 · run run_water_rights_v133 signals92,201 instances
Overview / Signals / structure

PIONEER UNION DITCH

spine entity c96a3d53-e97e-4e03-b9ba-381eb55b9e5cWDID 0900862dependency report →
Active signals
3
3 instances
Max priority
88.2
Last observed
2026-09-30
Signal historyall resolved detections on this record
PriSignalDetailScoreObserved
88Critical caller value-at-riskPIONEER UNION DITCH's observed call reaches 285 parcels — 1,359 coverage-weighted acres, $98.6M assessed value, 231 distinct owners — through the 33 structures it has put out of priority (77,545.9 day-equivalents, most recently 2026).100.02026-09-30 00:00:00
70Basin chokepoint callerPIONEER UNION DITCH has put 716 decreed rights (1,441 cfs decreed, 0 distinct owners) out of priority — 77,545.9 day-equivalents of administered curtailment, most recently 2026. Caller Power Index 22.3.22.32026-09-30 00:00:00
49Drought reliability cliffPIONEER UNION DITCH: modeled irrigation-season reliability 92% in median years → 70% dry → 39% severe drought (2002-class replay). A 54-point cliff under stress.80.62026-07-18 12:00:00
Record payload
wdid
0900862
state
CO
county
JEFFERSON
division
1
latitude
39.657618
longitude
-105.133193
county_fips
08059
identifiers
{"wdid":"0900862"}
water_source
BEAR CREEK
structure_name
PIONEER UNION DITCH
structure_type
DITCH
water_district
9
score_components
{"owners":231,"parcels":285,"day_equivalents":77545.9,"impaired_structures":33,"assessed_value_at_risk":98649210,"coverage_weighted_acres":1359}
Structure & decree profile
structure
PIONEER UNION DITCH (WDID 0900862)
type / source
DITCH · BEAR CREEK
administration
Division 1 · Water District 9 · JEFFERSON County
decreed rights
9 · senior priority 1861-06-01 (admin 4170.00000)
decreed capacity
17 cfs
status
Absolute
Controlling senior callers (observed)
HARRIMAN DITCH
763.4 day-equivalents · 352 episodes over 20 seasons · last 2026 · confidence 0.98
WARD DITCH
392.1 day-equivalents · 250 episodes over 16 seasons · last 2026 · confidence 0.98
WARRIOR DITCH
200.8 day-equivalents · 99 episodes over 8 seasons · last 2020 · confidence 0.91
HINDRY DITCH
55.2 day-equivalents · 174 episodes over 7 seasons · last 2013 · confidence 0.84
SODA LAKES(WEST) RES 1
12.6 day-equivalents · 16 episodes over 9 seasons · last 2025 · confidence 0.98
Dependencies & control
owner evidence
TOMBLING, DON · probable (0.55) · CDSS structure associated contacts
owner evidence
TOMBLING, DON · probable (0.55) · CDSS structure associated contacts
owner evidence
TOMBLING, DON · probable (0.55) · CDSS structure associated contacts