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

COFFIN DAVIS DITCH

spine entity 0bd588df-8c3f-455d-8fa3-72cc82f16d0fWDID 0500699dependency report →
Active signals
3
3 instances
Max priority
79.3
Last observed
2026-07-18
Signal historyall resolved detections on this record
PriSignalDetailScoreObserved
79Augmentation condition not verifiedCOFFIN DAVIS DITCH: the decree requires augmentation coverage for out-of-priority depletions, but NO plan membership is found. Verify coverage before relying on this supply — absent a plan, curtailment is immediate on the next call.85.02026-07-18 12:00:00
71Critical call exposureCOFFIN DAVIS DITCH (1871 priority) carries 602.9 day-equivalents of observed call exposure from 14 senior caller(s); dominant caller JAMES DITCH (118.3 day-eq). 508 season-days curtailed in the last five seasons.49.02026-09-30 00:00:00
63Season call nowcast: expected curtailmentCOFFIN DAVIS DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~112 of 214 season days from the basin's administration record. Dominant caller JAMES DITCH: P(call by Jun 15) = 0.67 over 6 comparable seasons.77.92026-07-18 12:00:00
Record payload
wdid
0500699
state
CO
county
BOULDER
admin_no
5996
division
1
latitude
40.154449
right_id
0500699-5996.00000
longitude
-105.062385
county_fips
08013
identifiers
{"wdid":"0500699"}
decreed_uses
19
legal_status
Absolute
water_source
SAINT VRAIN CREEK
seniority_rank
2004
structure_name
COFFIN DAVIS DITCH
structure_type
DITCH
water_district
5
decreed_rate_cfs
27.05
score_components
{"plan_found":false,"augmentation_required":true}
decreed_volume_af
null
appropriation_date
1866-06-01
Structure & decree profile
structure
COFFIN DAVIS DITCH (WDID 0500699)
type / source
DITCH · SAINT VRAIN CREEK
administration
Division 1 · Water District 5 · BOULDER County
decreed rights
2 · senior priority 1866-06-01 (admin 5996.00000)
decreed capacity
54 cfs
status
Absolute
Controlling senior callers (observed)
ST VRAIN PALMERTON DITCH
128.2 day-equivalents · 82 episodes over 19 seasons · last 2026 · confidence 0.98
JAMES DITCH
118.3 day-equivalents · 73 episodes over 22 seasons · last 2026 · confidence 0.98
NIWOT DITCH
88.8 day-equivalents · 54 episodes over 14 seasons · last 2026 · confidence 0.98
LONGMONT SUPPLY DITCH
88 day-equivalents · 48 episodes over 12 seasons · last 2026 · confidence 0.98
ZWECK TURNER DITCH
77.8 day-equivalents · 20 episodes over 6 seasons · last 2026 · confidence 0.77
Dependencies & control
owner evidence
COFFIN, GEORGE W. · probable (0.55) · CDSS structure associated contacts
owner evidence
COFFIN, GEORGE W. · probable (0.55) · CDSS structure associated contacts