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

ORTH SEEPAGE DITCH

spine entity 484631fe-8c75-40f5-9bd9-9aa3e1ccc15aWDID 0500849dependency report →
Active signals
3
3 instances
Max priority
72.8
Last observed
2026-09-30
Signal historyall resolved detections on this record
PriSignalDetailScoreObserved
73Critical call exposureORTH SEEPAGE DITCH (1912 priority) carries 1,053.5 day-equivalents of observed call exposure from 50 senior caller(s); dominant caller HIGHLAND DITCH (156.8 day-eq). 855 season-days curtailed in the last five seasons.55.82026-09-30 00:00:00
65Season call nowcast: expected curtailmentORTH SEEPAGE DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~199 of 214 season days from the basin's administration record. Dominant caller HIGHLAND DITCH: P(call by Jun 15) = 1 over 6 comparable seasons.100.02026-07-18 12:00:00
63Drought reliability cliffORTH SEEPAGE DITCH: modeled irrigation-season reliability 81% in median years → 29% dry → 7% severe drought (2002-class replay). A 74-point cliff under stress.100.02026-07-18 12:00:00
Record payload
wdid
0500849
state
CO
county
BOULDER
admin_no
37093.22705
division
1
latitude
40.205175
right_id
0500849-37093.22705
longitude
-105.24201
county_fips
08013
identifiers
{"wdid":"0500849"}
decreed_uses
189
legal_status
Absolute
water_source
SAINT VRAIN CREEK
seniority_rank
16468
structure_name
ORTH SEEPAGE DITCH
structure_type
DITCH
water_district
5
decreed_rate_cfs
32.6
score_components
{"callers":50,"recency":1,"exposure_depth":0.26,"day_equivalents":1053.5,"dominant_caller":"HIGHLAND DITCH","season_days_5yr":855}
decreed_volume_af
null
appropriation_date
1912-03-01
Structure & decree profile
structure
ORTH SEEPAGE DITCH (WDID 0500849)
type / source
DITCH · SAINT VRAIN CREEK
administration
Division 1 · Water District 5 · BOULDER County
decreed rights
1 · senior priority 1912-03-01 (admin 37093.22705)
decreed capacity
33 cfs
status
Absolute
Controlling senior callers (observed)
HIGHLAND DITCH
156.8 day-equivalents · 94 episodes over 22 seasons · last 2026 · confidence 0.98
JAMES DITCH
130.6 day-equivalents · 96 episodes over 22 seasons · last 2026 · confidence 0.98
OLIGARCHY DITCH
74.1 day-equivalents · 54 episodes over 20 seasons · last 2026 · confidence 0.98
ST VRAIN PALMERTON DITCH
64.1 day-equivalents · 41 episodes over 19 seasons · last 2026 · confidence 0.98
ROUGH READY DITCH
61.2 day-equivalents · 69 episodes over 21 seasons · last 2026 · confidence 0.98
Dependencies & control
owner evidence
ORTH, EVERETT · probable (0.55) · CDSS structure associated contacts