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

OLYMPUS TUNNEL

spine entity d9ded66c-661c-425a-ab1b-d788e67c005bWDID 0401000dependency report →
Active signals
4
20 instances
Max priority
94.6
Last observed
2026-09-30
Signal historyall resolved detections on this record
PriSignalDetailScoreObserved
95Critical call exposureOLYMPUS TUNNEL (1956 priority) carries 1,239.2 day-equivalents of observed call exposure from 34 senior caller(s); dominant caller BARNES DITCH (188.3 day-eq). 921 season-days curtailed in the last five seasons.58.62026-09-30 00:00:00
85Season call nowcast: expected curtailmentOLYMPUS TUNNEL, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~202 of 214 season days from the basin's administration record. Dominant caller BARNES DITCH: P(call by Jun 15) = 1 over 6 comparable seasons.100.02026-07-18 12:00:00
84Drought reliability cliffOLYMPUS TUNNEL: modeled irrigation-season reliability 77% in median years → 17% dry → 6% severe drought (2002-class replay). A 71-point cliff under stress.100.02026-07-18 12:00:00
66Critical call exposureOLYMPUS TUNNEL (1873 priority) carries 649.7 day-equivalents of observed call exposure from 15 senior caller(s); dominant caller FARMERS IRRIGATION CANAL (143.9 day-eq). 482 season-days curtailed in the last five seasons.49.72026-09-30 00:00:00
66Critical call exposureOLYMPUS TUNNEL (1873 priority) carries 668.4 day-equivalents of observed call exposure from 15 senior caller(s); dominant caller FARMERS IRRIGATION CANAL (143.9 day-eq). 498 season-days curtailed in the last five seasons.50.02026-09-30 00:00:00
66Critical call exposureOLYMPUS TUNNEL (1877 priority) carries 687.6 day-equivalents of observed call exposure from 17 senior caller(s); dominant caller FARMERS IRRIGATION CANAL (143.9 day-eq). 509 season-days curtailed in the last five seasons.50.32026-09-30 00:00:00
66Critical call exposureOLYMPUS TUNNEL (1878 priority) carries 712.4 day-equivalents of observed call exposure from 17 senior caller(s); dominant caller FARMERS IRRIGATION CANAL (149.7 day-eq). 526 season-days curtailed in the last five seasons.50.72026-09-30 00:00:00
66Critical call exposureOLYMPUS TUNNEL (1880 priority) carries 716.5 day-equivalents of observed call exposure from 17 senior caller(s); dominant caller FARMERS IRRIGATION CANAL (149.8 day-eq). 531 season-days curtailed in the last five seasons.50.82026-09-30 00:00:00
66Critical call exposureOLYMPUS TUNNEL (1883 priority) carries 835.7 day-equivalents of observed call exposure from 19 senior caller(s); dominant caller FARMERS IRRIGATION CANAL (149.8 day-eq). 646 season-days curtailed in the last five seasons.52.52026-09-30 00:00:00
66Critical call exposureOLYMPUS TUNNEL (2002 priority) carries 1,239.2 day-equivalents of observed call exposure from 34 senior caller(s); dominant caller BARNES DITCH (188.3 day-eq). 921 season-days curtailed in the last five seasons.58.62026-09-30 00:00:00
66Critical call exposureOLYMPUS TUNNEL (1871 priority) carries 560.8 day-equivalents of observed call exposure from 13 senior caller(s); dominant caller FARMERS IRRIGATION CANAL (141.7 day-eq). 423 season-days curtailed in the last five seasons.48.42026-09-30 00:00:00
66Critical call exposureOLYMPUS TUNNEL (1872 priority) carries 599.6 day-equivalents of observed call exposure from 14 senior caller(s); dominant caller FARMERS IRRIGATION CANAL (141.7 day-eq). 457 season-days curtailed in the last five seasons.49.02026-09-30 00:00:00
66Critical call exposureOLYMPUS TUNNEL (1873 priority) carries 611.2 day-equivalents of observed call exposure from 14 senior caller(s); dominant caller FARMERS IRRIGATION CANAL (143.9 day-eq). 460 season-days curtailed in the last five seasons.49.22026-09-30 00:00:00
55Drought reliability cliffOLYMPUS TUNNEL: modeled irrigation-season reliability 77% in median years → 17% dry → 6% severe drought (2002-class replay). A 71-point cliff under stress.100.02026-07-18 12:00:00
53Augmentation condition not verifiedOLYMPUS TUNNEL: 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.59.52026-07-18 12:00:00
53Augmentation condition not verifiedOLYMPUS TUNNEL: 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.59.52026-07-18 12:00:00
50Drought reliability cliffOLYMPUS TUNNEL: modeled irrigation-season reliability 87% in median years → 51% dry → 33% severe drought (2002-class replay). A 54-point cliff under stress.81.52026-07-18 12:00:00
47Drought reliability cliffOLYMPUS TUNNEL: modeled irrigation-season reliability 89% in median years → 60% dry → 42% severe drought (2002-class replay). A 48-point cliff under stress.71.62026-07-18 12:00:00
47Drought reliability cliffOLYMPUS TUNNEL: modeled irrigation-season reliability 90% in median years → 61% dry → 42% severe drought (2002-class replay). A 47-point cliff under stress.70.92026-07-18 12:00:00
46Drought reliability cliffOLYMPUS TUNNEL: modeled irrigation-season reliability 90% in median years → 63% dry → 45% severe drought (2002-class replay). A 45-point cliff under stress.67.72026-07-18 12:00:00
Record payload
wdid
0401000
state
CO
county
LARIMER
admin_no
60630.38873
division
1
latitude
40.375187
right_id
0401000-60630.38873
longitude
-105.487483
county_fips
08069
identifiers
{"wdid":"0401000"}
decreed_uses
P
legal_status
Absolute
water_source
BIG THOMPSON RIVER
seniority_rank
53371
structure_name
OLYMPUS TUNNEL
structure_type
PIPELINE
water_district
4
decreed_rate_cfs
566
score_components
{"callers":34,"recency":1,"exposure_depth":0.31,"day_equivalents":1239.2,"dominant_caller":"BARNES DITCH","season_days_5yr":921}
decreed_volume_af
null
appropriation_date
1956-06-06
Structure & decree profile
structure
OLYMPUS TUNNEL (WDID 0401000)
type / source
PIPELINE · BIG THOMPSON RIVER
administration
Division 1 · Water District 4 · LARIMER County
decreed rights
20 · senior priority 1877-11-01 (admin 10167.00000)
decreed capacity
566 cfs
status
Absolute
Controlling senior callers (observed)
FARMERS IRRIGATION CANAL
2,360.5 day-equivalents · 1334 episodes over 19 seasons · last 2026 · confidence 0.98
BIG T PLATTE R DITCH
2,129.1 day-equivalents · 813 episodes over 21 seasons · last 2026 · confidence 0.98
LOVELAND GREELEY CANAL
1,515 day-equivalents · 2545 episodes over 21 seasons · last 2026 · confidence 0.98
HANDY DITCH
1,376.7 day-equivalents · 1451 episodes over 22 seasons · last 2026 · confidence 0.98
HOME SUPPLY DITCH
942.2 day-equivalents · 984 episodes over 21 seasons · last 2026 · confidence 0.98
Dependencies & control
owner evidence
NO INFORMATION · probable (0.55) · CDSS structure associated contacts
owner evidence
NO INFORMATION · probable (0.55) · CDSS structure associated contacts
owner evidence
NO INFORMATION · probable (0.55) · CDSS structure associated contacts