BasinWise — Dependency & Reliability Intelligencerelease v1 · genome v1 · run run_water_rights_v133 signals92,201 instances
Overview / Signals / Critical call exposure / siginst_ep_wr_20260718_call-exposure-critical_4348

Critical call exposure

verifiedLOWER BOULDER DITCH →

LOWER BOULDER DITCH (2011 priority) carries 897.6 day-equivalents of observed call exposure from 28 senior caller(s); dominant caller BOULDER WHITE ROCK DITCH (201.1 day-eq). 674 season-days curtailed in the last five seasons.

Priority
65.8
composite 0–100
Raw score
53.5
detector output 0–100
Confidence
0.98
0–1
Observed
2026-09-30
00:00:00
Priority componentsweights: impact .30 · urgency .25 · confidence .20 · freshness .15 · novelty .10
impact0.04
urgency1.00
confidence0.98
freshness1.00
novelty0.50
Record payloadcustomer_payload — everything the detector carried
wdid
0600538
state
CO
county
BOULDER
admin_no
58825
division
1
latitude
40.046856
right_id
0600538-58825.00000
longitude
-105.129023
county_fips
08013
identifiers
{"wdid":"0600538"}
decreed_uses
1234568AW
legal_status
Absolute
water_source
BOULDER CREEK
seniority_rank
50959
structure_name
LOWER BOULDER DITCH
structure_type
DITCH
water_district
6
decreed_rate_cfs
null
score_components
{"callers":28,"recency":1,"exposure_depth":0.22,"day_equivalents":897.6,"dominant_caller":"BOULDER WHITE ROCK DITCH","season_days_5yr":674}
decreed_volume_af
null
appropriation_date
2011-01-21
Provenance receiptexactly where this detection came from
instance id
siginst_ep_wr_20260718_call-exposure-critical_4348
record
0600538-58825.00000 @ water_rights
signal
signal:call-exposure-critical
definition
v1
genome
v1 · run run_water_rights_v1
epoch
ep_wr_20260718
lineage status
resolved
detected
2026-07-18 12:00:00
valid from
2026-09-30 00:00:00
source refs
["cdss-structures","cdss-netamounts","cdss-admin-calls","cdss-divrec","co-oit-parcels","nrcs-snotel","openet","water-court-outcomes","ditch-ledger-program"]
Co-firing signalsother detections on this record
PriSignalDetailScore
95Critical call exposureLOWER BOULDER DITCH (1910 priority) carries 798.5 day-equivalents of observed call exposure from 24 senior caller(s); dominant caller HIGHLAND SOUTH SIDE DITCH (143.5 day-eq). 609 season-days curtailed in the last five seasons.52.0
88Critical call exposureLOWER BOULDER DITCH (1870 priority) carries 582.4 day-equivalents of observed call exposure from 14 senior caller(s); dominant caller HIGHLAND SOUTH SIDE DITCH (143.5 day-eq). 413 season-days curtailed in the last five seasons.48.1
86Critical caller value-at-riskLOWER BOULDER DITCH's observed call reaches 14 parcels — 248 coverage-weighted acres, $73.9M assessed value, 9 distinct owners — through the 6 structures it has put out of priority (20,731.8 day-equivalents, most recently 2026).86.4
85Season call nowcast: expected curtailmentLOWER BOULDER DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~133 of 214 season days from the basin's administration record. Dominant caller HIGHLAND SOUTH SIDE DITCH: P(call by Jun 15) = 0 over 5 comparable seasons.72.6
83Critical call exposureLOWER BOULDER DITCH (1892 priority) carries 720.1 day-equivalents of observed call exposure from 19 senior caller(s); dominant caller HIGHLAND SOUTH SIDE DITCH (143.5 day-eq). 527 season-days curtailed in the last five seasons.50.8
79Augmentation condition not verifiedLOWER BOULDER 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.85.0
77Season call nowcast: expected curtailmentLOWER BOULDER DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~117 of 214 season days from the basin's administration record. Dominant caller HIGHLAND SOUTH SIDE DITCH: P(call by Jun 15) = 0 over 5 comparable seasons.67.4
76Drought reliability cliffLOWER BOULDER DITCH: modeled irrigation-season reliability 87% in median years → 53% dry → 38% severe drought (2002-class replay). A 49-point cliff under stress.73.8
72Critical call exposureLOWER BOULDER DITCH (1985 priority) carries 888.6 day-equivalents of observed call exposure from 26 senior caller(s); dominant caller BOULDER WHITE ROCK DITCH (201.1 day-eq). 674 season-days curtailed in the last five seasons.53.3
71Water-backed land assemblageCOUNTY OF BOULDER holds 10 parcels totaling 848 ac (assessed $15.6M) under LOWER BOULDER DITCH — a water-backed assemblage on one system (supply quality 0.79). assessor roll from annual OIT data call; ownership may be up to 12 months stale.100.0
68Underused water asset353.7878 ac (BOULDER County, CITY OF BOULDER): mapped irrigation ended 2020 — 6 years idle — while senior physical service on LOWER BOULDER DITCH still attaches. Idle water on idle ground.77.8
67Critical call exposureLOWER BOULDER DITCH (1980 priority) carries 888.6 day-equivalents of observed call exposure from 26 senior caller(s); dominant caller BOULDER WHITE ROCK DITCH (201.1 day-eq). 674 season-days curtailed in the last five seasons.53.3
66Critical call exposureLOWER BOULDER DITCH (1884 priority) carries 705.7 day-equivalents of observed call exposure from 17 senior caller(s); dominant caller HIGHLAND SOUTH SIDE DITCH (143.5 day-eq). 508 season-days curtailed in the last five seasons.50.6
66Critical call exposureLOWER BOULDER DITCH (1881 priority) carries 705.4 day-equivalents of observed call exposure from 17 senior caller(s); dominant caller HIGHLAND SOUTH SIDE DITCH (143.5 day-eq). 508 season-days curtailed in the last five seasons.50.6
66Critical call exposureLOWER BOULDER DITCH (1915 priority) carries 803.3 day-equivalents of observed call exposure from 25 senior caller(s); dominant caller BOULDER WHITE ROCK DITCH (147.3 day-eq). 610 season-days curtailed in the last five seasons.52.1
66Critical call exposureLOWER BOULDER DITCH (1873 priority) carries 628.3 day-equivalents of observed call exposure from 14 senior caller(s); dominant caller HIGHLAND SOUTH SIDE DITCH (143.5 day-eq). 431 season-days curtailed in the last five seasons.49.4
66Critical call exposureLOWER BOULDER DITCH (1892 priority) carries 705.9 day-equivalents of observed call exposure from 18 senior caller(s); dominant caller HIGHLAND SOUTH SIDE DITCH (143.5 day-eq). 508 season-days curtailed in the last five seasons.50.6
66Critical call exposureLOWER BOULDER DITCH (1906 priority) carries 798.5 day-equivalents of observed call exposure from 24 senior caller(s); dominant caller HIGHLAND SOUTH SIDE DITCH (143.5 day-eq). 609 season-days curtailed in the last five seasons.52.0
66Critical call exposureLOWER BOULDER DITCH (1897 priority) carries 718.9 day-equivalents of observed call exposure from 18 senior caller(s); dominant caller HIGHLAND SOUTH SIDE DITCH (143.5 day-eq). 527 season-days curtailed in the last five seasons.50.8
66Critical call exposureLOWER BOULDER DITCH (1990 priority) carries 889 day-equivalents of observed call exposure from 27 senior caller(s); dominant caller BOULDER WHITE ROCK DITCH (201.1 day-eq). 674 season-days curtailed in the last five seasons.53.3
66Critical call exposureLOWER BOULDER DITCH (1872 priority) carries 628.3 day-equivalents of observed call exposure from 14 senior caller(s); dominant caller HIGHLAND SOUTH SIDE DITCH (143.5 day-eq). 431 season-days curtailed in the last five seasons.49.4
66Critical call exposureLOWER BOULDER DITCH (1997 priority) carries 889 day-equivalents of observed call exposure from 27 senior caller(s); dominant caller BOULDER WHITE ROCK DITCH (201.1 day-eq). 674 season-days curtailed in the last five seasons.53.3
66Critical call exposureLOWER BOULDER DITCH (1979 priority) carries 888.6 day-equivalents of observed call exposure from 26 senior caller(s); dominant caller BOULDER WHITE ROCK DITCH (201.1 day-eq). 674 season-days curtailed in the last five seasons.53.3
65Critical call exposureLOWER BOULDER DITCH (1870 priority) carries 582.4 day-equivalents of observed call exposure from 14 senior caller(s); dominant caller HIGHLAND SOUTH SIDE DITCH (143.5 day-eq). 413 season-days curtailed in the last five seasons.48.1
65Critical call exposureLOWER BOULDER DITCH (1982 priority) carries 889 day-equivalents of observed call exposure from 27 senior caller(s); dominant caller BOULDER WHITE ROCK DITCH (201.1 day-eq). 674 season-days curtailed in the last five seasons.53.3
64Season call nowcast: expected curtailmentLOWER BOULDER DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~149 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.95.7
61Underused water asset258.09504173 ac (WELD County, NELSON KENT P FAMILY LTD LLLP(37%)): mapped irrigation ended 2020 — 6 years idle — while senior physical service on LOWER BOULDER DITCH still attaches. Idle water on idle ground.77.8
58Season call nowcast: expected curtailmentLOWER BOULDER DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~149 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.95.7
56Drought reliability cliffLOWER BOULDER DITCH: modeled irrigation-season reliability 84% in median years → 48% dry → 30% severe drought (2002-class replay). A 54-point cliff under stress.80.6
55Underused water asset175.79243093 ac (WELD County, NELSON KENT P FAMILY LTD LLLP(37%)): mapped irrigation ended 2020 — 6 years idle — while senior physical service on LOWER BOULDER DITCH still attaches. Idle water on idle ground.77.8
54Underused water asset161.45689357 ac (WELD County, DREAM WEAVER HOLDINGS LLC): mapped irrigation ended 2020 — 6 years idle — while senior physical service on LOWER BOULDER DITCH still attaches. Idle water on idle ground.77.8
54Underused water asset161.177 ac (BOULDER County, COUNTY OF BOULDER): mapped irrigation ended 2020 — 6 years idle — while senior physical service on LOWER BOULDER DITCH still attaches. Idle water on idle ground.77.8
53Augmentation condition not verifiedLOWER BOULDER 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.59.5
52Underused water asset136.9921138 ac (WELD County, JL HALEY LAND WEST LLC): mapped irrigation ended 2020 — 6 years idle — while senior physical service on LOWER BOULDER DITCH still attaches. Idle water on idle ground.77.8
50Underused water asset115.20383299 ac (WELD County, FREDERICK TOWN OF): mapped irrigation ended 2020 — 6 years idle — while senior physical service on LOWER BOULDER DITCH still attaches. Idle water on idle ground.77.8
50Decree-to-current-use conflict69.28011975 ac commercial parcel is served by LOWER BOULDER DITCH, whose decree permits only [12345678AQWX]. Development use conflicts with the irrigation decree — a change case is likely required before water follows the project.75.2
50Decree-to-current-use conflict69.28011975 ac commercial parcel is served by LOWER BOULDER DITCH, whose decree permits only [12345678AQWX]. Development use conflicts with the irrigation decree — a change case is likely required before water follows the project.70.3
50Decree-to-current-use conflict69.28011975 ac commercial parcel is served by LOWER BOULDER DITCH, whose decree permits only [12345678AQWX]. Development use conflicts with the irrigation decree — a change case is likely required before water follows the project.71.9
50Drought reliability cliffLOWER BOULDER DITCH: modeled irrigation-season reliability 84% in median years → 48% dry → 30% severe drought (2002-class replay). A 54-point cliff under stress.80.6
49Parcel-split allocation riskIrrigated place D1-2020-10510685 (116 ac, WHEAT_FALL, served by LOWER BOULDER DITCH) now spans 3 parcels held by 2 owner(s) — 3 parcel(s) show NO entitlement instrument of their own. The land split; the water paper didn't.99.3
49Drought reliability cliffLOWER BOULDER DITCH: modeled irrigation-season reliability 84% in median years → 48% dry → 30% severe drought (2002-class replay). A 54-point cliff under stress.80.6
49Drought reliability cliffLOWER BOULDER DITCH: modeled irrigation-season reliability 84% in median years → 48% dry → 30% severe drought (2002-class replay). A 54-point cliff under stress.80.4
49Drought reliability cliffLOWER BOULDER DITCH: modeled irrigation-season reliability 84% in median years → 48% dry → 30% severe drought (2002-class replay). A 54-point cliff under stress.80.4
49Drought reliability cliffLOWER BOULDER DITCH: modeled irrigation-season reliability 84% in median years → 48% dry → 30% severe drought (2002-class replay). A 54-point cliff under stress.80.3
49Drought reliability cliffLOWER BOULDER DITCH: modeled irrigation-season reliability 87% in median years → 52% dry → 35% severe drought (2002-class replay). A 52-point cliff under stress.77.5
49Underused water asset90.11370964 ac (WELD County, FREDERICK TOWN OF): mapped irrigation ended 2020 — 6 years idle — while senior physical service on LOWER BOULDER DITCH still attaches. Idle water on idle ground.77.8
49Underused water asset88.66513938 ac (WELD County, MCDONALD FAMILY LIMITED LIABILITY LIMITED PARTNERSHIP): mapped irrigation ended 2020 — 6 years idle — while senior physical service on LOWER BOULDER DITCH still attaches. Idle water on idle ground.77.8
48Drought reliability cliffLOWER BOULDER DITCH: modeled irrigation-season reliability 84% in median years → 48% dry → 30% severe drought (2002-class replay). A 54-point cliff under stress.80.4
48Parcel-split allocation riskIrrigated place D1-2020-10506221 (96 ac, BARLEY, served by LOWER BOULDER DITCH) now spans 5 parcels held by 2 owner(s) — 5 parcel(s) show NO entitlement instrument of their own. The land split; the water paper didn't.100.0
48Parcel-split allocation riskIrrigated place D1-2020-10510983 (92 ac, ALFALFA, served by LOWER BOULDER DITCH) now spans 3 parcels held by 2 owner(s) — 3 parcel(s) show NO entitlement instrument of their own. The land split; the water paper didn't.98.8