BasinWise — Dependency & Reliability Intelligencerelease v1 · genome v1 · run run_water_rights_v133 signals92,201 instances
Overview / Signals / Parcel-split allocation risk / siginst_ep_wr_20260718_parcel-split-allocation-risk_0440

Parcel-split allocation risk

verifiedZWECK TURNER DITCH →

Irrigated place D1-2020-10501121 (52 ac, GRASS_PASTURE, served by ZWECK TURNER 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.

Priority
45.6
composite 0–100
Raw score
89.0
detector output 0–100
Confidence
0.80
0–1
Observed
2026-07-18
12:00:00
Priority componentsweights: impact .30 · urgency .25 · confidence .20 · freshness .15 · novelty .10
impact0.10
urgency0.50
confidence0.80
freshness0.50
novelty0.65
Record payloadcustomer_payload — everything the detector carried
wdid
0500601
state
CO
county
BOULDER
owners
["GOLDEN LAND COMPANY","COUNTY OF BOULDER"]
latitude
40.176218
place_id
D1-2020-10501121
longitude
-105.167749
parcel_ids
["08013-120336000047","08013-120336000049"]
county_fips
08013
identifiers
{"wdid":"0500601"}
structure_name
ZWECK TURNER DITCH
score_components
{"owners":2,"parcels":2,"place_acres":52,"parcels_without_instrument":2}
Provenance receiptexactly where this detection came from
instance id
siginst_ep_wr_20260718_parcel-split-allocation-risk_0440
record
D1-2020-10501121 @ water_irrigated_places
signal
signal:parcel-split-allocation-risk
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
2026-07-18 12:00:00
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
88Critical caller value-at-riskZWECK TURNER DITCH's observed call reaches 1758 parcels — 23,227 coverage-weighted acres, $210.4M assessed value, 1106 distinct owners — through the 9 structures it has put out of priority (33,376.4 day-equivalents, most recently 2026).100.0
79Augmentation condition not verifiedZWECK TURNER 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
71Basin chokepoint callerZWECK TURNER DITCH has put 858 decreed rights (11,881 cfs decreed, 0 distinct owners) out of priority — 33,376.4 day-equivalents of administered curtailment, most recently 2026. Caller Power Index 25.9.25.9
71Critical call exposureZWECK TURNER DITCH (1984 priority) carries 1,014.6 day-equivalents of observed call exposure from 49 senior caller(s); dominant caller HIGHLAND DITCH (156.8 day-eq). 833 season-days curtailed in the last five seasons.55.2
66Critical call exposureZWECK TURNER DITCH (1871 priority) carries 717.3 day-equivalents of observed call exposure from 15 senior caller(s); dominant caller HIGHLAND DITCH (151.2 day-eq). 597 season-days curtailed in the last five seasons.50.8
66Critical call exposureZWECK TURNER DITCH (1877 priority) carries 757.3 day-equivalents of observed call exposure from 18 senior caller(s); dominant caller HIGHLAND DITCH (151.2 day-eq). 634 season-days curtailed in the last five seasons.51.4
63Season call nowcast: expected curtailmentZWECK TURNER 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.100.0
61Drought reliability cliffZWECK TURNER DITCH: modeled irrigation-season reliability 81% in median years → 29% dry → 7% severe drought (2002-class replay). A 74-point cliff under stress.100.0
53Augmentation condition not verifiedZWECK TURNER 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
51Drought reliability cliffZWECK TURNER 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 cliffZWECK TURNER 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
45Underused water asset38.84 ac (BOULDER County, COUNTY OF BOULDER): mapped irrigation ended 2020 — 6 years idle — while senior physical service on ZWECK TURNER DITCH still attaches. Idle water on idle ground.77.8
44Underused water asset30.896 ac (BOULDER County, GOLDEN LAND COMPANY): mapped irrigation ended 2020 — 6 years idle — while senior physical service on ZWECK TURNER DITCH still attaches. Idle water on idle ground.77.8
44Parcel-split allocation riskIrrigated place D1-2020-10501122 (20 ac, ALFALFA, served by ZWECK TURNER 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.88.4
43Underused water asset19.422 ac (BOULDER County, COUNTY OF BOULDER): mapped irrigation ended 2020 — 6 years idle — while senior physical service on ZWECK TURNER DITCH still attaches. Idle water on idle ground.77.8
43Parcel-split allocation riskIrrigated place D1-2020-10505079 (12 ac, GRASS_PASTURE, served by ZWECK TURNER 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.88.2
43Parcel-split allocation riskIrrigated place D1-2020-10505077 (11 ac, GRASS_PASTURE, served by ZWECK TURNER 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.88.2
42Underused water asset3.348 ac (BOULDER County, ZWECK LLC): mapped irrigation ended 2020 — 6 years idle — while senior physical service on ZWECK TURNER DITCH still attaches. Idle water on idle ground.77.8