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_3710

Critical call exposure

verifiedNIWOT DITCH

NIWOT DITCH (1873 priority) carries 716 day-equivalents of observed call exposure from 16 senior caller(s); dominant caller HIGHLAND DITCH (151.2 day-eq). 582 season-days curtailed in the last five seasons.

Priority
65.8
composite 0–100
Raw score
50.7
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
0500554
state
CO
county
BOULDER
admin_no
8464
division
1
latitude
40.175588
right_id
0500554-8464.00000
longitude
-105.168484
county_fips
08013
identifiers
{"wdid":"0500554"}
decreed_uses
12
legal_status
Absolute
water_source
SAINT VRAIN CREEK
seniority_rank
3432
structure_name
NIWOT DITCH
structure_type
DITCH
water_district
5
decreed_rate_cfs
null
score_components
{"callers":16,"recency":1,"exposure_depth":0.18,"day_equivalents":716,"dominant_caller":"HIGHLAND DITCH","season_days_5yr":582}
decreed_volume_af
null
appropriation_date
1873-03-04
Provenance receiptexactly where this detection came from
instance id
siginst_ep_wr_20260718_call-exposure-critical_3710
record
0500554-8464.00000 @ 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
71Basin chokepoint callerNIWOT DITCH has put 828 decreed rights (11,759 cfs decreed, 0 distinct owners) out of priority — 36,763.3 day-equivalents of administered curtailment, most recently 2026. Caller Power Index 25.6.25.6
70Critical caller value-at-riskNIWOT DITCH's observed call reaches 103 parcels — 1,326 coverage-weighted acres, $31.5M assessed value, 80 distinct owners — through the 1 structures it has put out of priority (36,763.3 day-equivalents, most recently 2026).73.9
69Critical call exposureNIWOT DITCH (1889 priority) carries 931.7 day-equivalents of observed call exposure from 33 senior caller(s); dominant caller HIGHLAND DITCH (154.9 day-eq). 761 season-days curtailed in the last five seasons.54.0
68Augmentation condition not verifiedNIWOT 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.78.4
66Critical call exposureNIWOT DITCH (1869 priority) carries 508.1 day-equivalents of observed call exposure from 12 senior caller(s); dominant caller JAMES DITCH (118.3 day-eq). 417 season-days curtailed in the last five seasons.47.3
66Critical call exposureNIWOT DITCH (1871 priority) carries 711.8 day-equivalents of observed call exposure from 15 senior caller(s); dominant caller HIGHLAND DITCH (151.2 day-eq). 579 season-days curtailed in the last five seasons.50.7
66Critical call exposureNIWOT DITCH (1870 priority) carries 516.3 day-equivalents of observed call exposure from 12 senior caller(s); dominant caller JAMES DITCH (118.3 day-eq). 426 season-days curtailed in the last five seasons.47.7
66Critical call exposureNIWOT DITCH (1877 priority) carries 751.8 day-equivalents of observed call exposure from 18 senior caller(s); dominant caller HIGHLAND DITCH (151.2 day-eq). 616 season-days curtailed in the last five seasons.51.3
60Season call nowcast: expected curtailmentNIWOT DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~190 of 214 season days from the basin's administration record. Dominant caller HIGHLAND DITCH: P(call by Jun 15) = 1 over 6 comparable seasons.100.0
58Drought reliability cliffNIWOT DITCH: modeled irrigation-season reliability 82% in median years → 38% dry → 11% severe drought (2002-class replay). A 71-point cliff under stress.100.0
53Augmentation condition not verifiedNIWOT 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
53Underused water asset146.342 ac (BOULDER County, COUNTY OF BOULDER): mapped irrigation ended 2020 — 6 years idle — while senior physical service on NIWOT DITCH still attaches. Idle water on idle ground.77.8
51Drought reliability cliffNIWOT DITCH: modeled irrigation-season reliability 86% in median years → 54% dry → 28% severe drought (2002-class replay). A 58-point cliff under stress.87.6
49Drought reliability cliffNIWOT DITCH: modeled irrigation-season reliability 86% in median years → 54% dry → 32% severe drought (2002-class replay). A 54-point cliff under stress.81.1
49Underused water asset100.63 ac (BOULDER County, GOLDEN FARM LTD): mapped irrigation ended 2020 — 6 years idle — while senior physical service on NIWOT DITCH still attaches. Idle water on idle ground.77.8
49Drought reliability cliffNIWOT DITCH: modeled irrigation-season reliability 86% in median years → 55% dry → 33% severe drought (2002-class replay). A 54-point cliff under stress.80.3
46Underused water asset55.77 ac (BOULDER County, CITY OF LONGMONT): mapped irrigation ended 2020 — 6 years idle — while senior physical service on NIWOT DITCH still attaches. Idle water on idle ground.77.8
45Underused water asset42.464 ac (BOULDER County, COUNTY OF BOULDER): mapped irrigation ended 2020 — 6 years idle — while senior physical service on NIWOT DITCH still attaches. Idle water on idle ground.77.8
44Underused water asset34.065 ac (BOULDER County, GOLDEN SHERON A LIVING TRUST): mapped irrigation ended 2020 — 6 years idle — while senior physical service on NIWOT DITCH still attaches. Idle water on idle ground.77.8
44Parcel-split allocation riskIrrigated place D1-2020-10504029 (27 ac, ALFALFA, served by NIWOT DITCH) now spans 2 parcels held by 2 owner(s) — 2 parcel(s) show NO entitlement instrument of their own. The land split; the water paper didn't.88.5
44Underused water asset29.546 ac (BOULDER County, CITY OF LONGMONT): mapped irrigation ended 2020 — 6 years idle — while senior physical service on NIWOT DITCH still attaches. Idle water on idle ground.77.8
44Parcel-split allocation riskIrrigated place D1-2020-10504075 (23 ac, CORN, served by NIWOT DITCH) now spans 2 parcels held by 1 owner(s) — 2 parcel(s) show NO entitlement instrument of their own. The land split; the water paper didn't.88.5
43Underused water asset13.631 ac (BOULDER County, CITY OF LONGMONT): mapped irrigation ended 2020 — 6 years idle — while senior physical service on NIWOT DITCH still attaches. Idle water on idle ground.77.8
43Underused water asset9.643 ac (BOULDER County, ST VRAIN VALLEY SCHOOL DISTRICT RE-1J): mapped irrigation ended 2020 — 6 years idle — while senior physical service on NIWOT DITCH still attaches. Idle water on idle ground.77.8
43Underused water asset9.3938 ac (BOULDER County, ST VRAIN VALLEY SCHOOL DISTRICT RE-1J): mapped irrigation ended 2020 — 6 years idle — while senior physical service on NIWOT DITCH still attaches. Idle water on idle ground.77.8
42Underused water asset1.036 ac (BOULDER County, MURPHEY JAMES PATRICK): mapped irrigation ended 2020 — 6 years idle — while senior physical service on NIWOT DITCH still attaches. Idle water on idle ground.77.8