BasinWise — Dependency & Reliability Intelligencerelease v1 · genome v1 · run run_water_rights_v133 signals92,201 instances
Overview / Signals / Water-backed land assemblage / siginst_ep_wr_20260718_water-backed-assemblage_0128

Water-backed land assemblage

candidateOLIGARCHY DITCH →

LONGMONT CITY OF holds 16 parcels totaling 953 ac (assessed $7.0M) under OLIGARCHY 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.

Priority
67.8
composite 0–100
Raw score
100.0
detector output 0–100
Confidence
0.72
0–1
Observed
2026-07-18
12:00:00
Priority componentsweights: impact .30 · urgency .25 · confidence .20 · freshness .15 · novelty .10
impact0.88
urgency0.50
confidence0.72
freshness0.50
novelty0.70
Record payloadcustomer_payload — everything the detector carried
wdid
0500547
state
CO
county
WELD
parcel_ids
["08123-120733300011","08123-131304101004","08123-120733400010","08013-131512000058","08013-131512000064","08123-131306000054","08123-131306000059","08123-131306402002","08013-120530000006","08013-120530000021","08123-131306000024","08123-131306402004","08123-131307000061","08123-131307401002","08123-131307100058","08013-120530000024"]
county_fips
08123
identifiers
{"wdid":"0500547"}
staleness_note
assessor roll from annual OIT data call; ownership may be up to 12 months stale
structure_name
OLIGARCHY DITCH
assemblage_owner
LONGMONT CITY OF
assessor_vintage
2026-01-01
score_components
{"acres":953,"parcels":16,"water_quality":0.79,"assessed_value":7037556}
Provenance receiptexactly where this detection came from
instance id
siginst_ep_wr_20260718_water-backed-assemblage_0128
record
city-longmont-of|0500547 @ water_parcels
signal
signal:water-backed-assemblage
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
95Critical call exposureOLIGARCHY DITCH (1986 priority) carries 979.4 day-equivalents of observed call exposure from 49 senior caller(s); dominant caller HIGHLAND DITCH (156.8 day-eq). 798 season-days curtailed in the last five seasons.54.7
95Critical call exposureOLIGARCHY DITCH (1929 priority) carries 972.5 day-equivalents of observed call exposure from 48 senior caller(s); dominant caller HIGHLAND DITCH (156.8 day-eq). 789 season-days curtailed in the last five seasons.54.6
95Critical call exposureOLIGARCHY DITCH (1902 priority) carries 923.2 day-equivalents of observed call exposure from 41 senior caller(s); dominant caller HIGHLAND DITCH (156.8 day-eq). 756 season-days curtailed in the last five seasons.53.9
89Critical call exposureOLIGARCHY DITCH (1870 priority) carries 492.2 day-equivalents of observed call exposure from 12 senior caller(s); dominant caller JAMES DITCH (118.3 day-eq). 415 season-days curtailed in the last five seasons.46.9
88Critical caller value-at-riskOLIGARCHY DITCH's observed call reaches 1650 parcels — 22,039 coverage-weighted acres, $222.5M assessed value, 1029 distinct owners — through the 24 structures it has put out of priority (57,541.9 day-equivalents, most recently 2026).100.0
86Critical call exposureOLIGARCHY DITCH (1902 priority) carries 917.8 day-equivalents of observed call exposure from 40 senior caller(s); dominant caller HIGHLAND DITCH (156.8 day-eq). 755 season-days curtailed in the last five seasons.53.8
85Season call nowcast: expected curtailmentOLIGARCHY 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
85Season call nowcast: expected curtailmentOLIGARCHY 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
85Season call nowcast: expected curtailmentOLIGARCHY DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~195 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
85Season call nowcast: expected curtailmentOLIGARCHY DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~106 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.76.0
84Drought reliability cliffOLIGARCHY 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
84Drought reliability cliffOLIGARCHY 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
84Drought reliability cliffOLIGARCHY DITCH: modeled irrigation-season reliability 82% in median years → 35% dry → 9% severe drought (2002-class replay). A 73-point cliff under stress.100.0
81Season call nowcast: expected curtailmentOLIGARCHY DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~192 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
79Augmentation condition not verifiedOLIGARCHY 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
79Critical call exposureOLIGARCHY DITCH (1874 priority) carries 690.4 day-equivalents of observed call exposure from 17 senior caller(s); dominant caller HIGHLAND DITCH (151.2 day-eq). 569 season-days curtailed in the last five seasons.50.4
79Drought reliability cliffOLIGARCHY DITCH: modeled irrigation-season reliability 82% in median years → 36% dry → 10% severe drought (2002-class replay). A 72-point cliff under stress.100.0
74Critical call exposureOLIGARCHY DITCH (1872 priority) carries 687.1 day-equivalents of observed call exposure from 15 senior caller(s); dominant caller HIGHLAND DITCH (151.2 day-eq). 567 season-days curtailed in the last five seasons.50.3
73Decree-to-current-use conflict143.7084651 ac commercial parcel is served by OLIGARCHY DITCH, whose decree permits only [2APWX]. Development use conflicts with the irrigation decree — a change case is likely required before water follows the project.87.9
73Decree-to-current-use conflict143.7084651 ac commercial parcel is served by OLIGARCHY DITCH, whose decree permits only [2APWX]. Development use conflicts with the irrigation decree — a change case is likely required before water follows the project.88.3
73Decree-to-current-use conflict143.7084651 ac commercial parcel is served by OLIGARCHY DITCH, whose decree permits only [2APWX]. Development use conflicts with the irrigation decree — a change case is likely required before water follows the project.91.5
73Season call nowcast: expected curtailmentOLIGARCHY DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~146 of 214 season days from the basin's administration record. Dominant caller HIGHLAND DITCH: P(call by Jun 15) = 1 over 6 comparable seasons.94.7
71Basin chokepoint callerOLIGARCHY DITCH has put 791 decreed rights (9,964 cfs decreed, 0 distinct owners) out of priority — 57,541.9 day-equivalents of administered curtailment, most recently 2026. Caller Power Index 25.2.25.2
66Season call nowcast: expected curtailmentOLIGARCHY DITCH, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~144 of 214 season days from the basin's administration record. Dominant caller HIGHLAND DITCH: P(call by Jun 15) = 1 over 6 comparable seasons.94.1
66Decree-to-current-use conflict12.22468872 ac commercial parcel is served by OLIGARCHY DITCH, whose decree permits only [2APWX]. Development use conflicts with the irrigation decree — a change case is likely required before water follows the project.92.4
66Decree-to-current-use conflict12.22468872 ac commercial parcel is served by OLIGARCHY DITCH, whose decree permits only [2APWX]. Development use conflicts with the irrigation decree — a change case is likely required before water follows the project.93.7
66Critical call exposureOLIGARCHY DITCH (1904 priority) carries 940.1 day-equivalents of observed call exposure from 43 senior caller(s); dominant caller HIGHLAND DITCH (156.8 day-eq). 777 season-days curtailed in the last five seasons.54.1
66Critical call exposureOLIGARCHY DITCH (1871 priority) carries 685.5 day-equivalents of observed call exposure from 15 senior caller(s); dominant caller HIGHLAND DITCH (151.2 day-eq). 566 season-days curtailed in the last five seasons.50.3
66Critical call exposureOLIGARCHY DITCH (1877 priority) carries 725.5 day-equivalents of observed call exposure from 18 senior caller(s); dominant caller HIGHLAND DITCH (151.2 day-eq). 603 season-days curtailed in the last five seasons.50.9
66Critical call exposureOLIGARCHY DITCH (1871 priority) carries 532.2 day-equivalents of observed call exposure from 13 senior caller(s); dominant caller JAMES DITCH (118.3 day-eq). 455 season-days curtailed in the last five seasons.48.0
66Critical call exposureOLIGARCHY DITCH (1873 priority) carries 689.8 day-equivalents of observed call exposure from 16 senior caller(s); dominant caller HIGHLAND DITCH (151.2 day-eq). 569 season-days curtailed in the last five seasons.50.3
66Critical call exposureOLIGARCHY DITCH (2005 priority) carries 1,004.8 day-equivalents of observed call exposure from 52 senior caller(s); dominant caller HIGHLAND DITCH (156.8 day-eq). 828 season-days curtailed in the last five seasons.55.1
66Critical call exposureOLIGARCHY DITCH (1873 priority) carries 689.7 day-equivalents of observed call exposure from 16 senior caller(s); dominant caller HIGHLAND DITCH (151.2 day-eq). 569 season-days curtailed in the last five seasons.50.3
66Drought reliability cliffOLIGARCHY DITCH: modeled irrigation-season reliability 86% in median years → 54% dry → 32% severe drought (2002-class replay). A 54-point cliff under stress.81.6
65Critical call exposureOLIGARCHY DITCH (1869 priority) carries 484 day-equivalents of observed call exposure from 12 senior caller(s); dominant caller JAMES DITCH (118.3 day-eq). 406 season-days curtailed in the last five seasons.45.9
64Decree-to-current-use conflict7.3204803 ac commercial parcel is served by OLIGARCHY DITCH, whose decree permits only [2APWX]. Development use conflicts with the irrigation decree — a change case is likely required before water follows the project.89.0
64Decree-to-current-use conflict7.3204803 ac commercial parcel is served by OLIGARCHY DITCH, whose decree permits only [2APWX]. Development use conflicts with the irrigation decree — a change case is likely required before water follows the project.92.5
60Underused water asset248.35866464 ac (WELD County, LONGMONT CITY OF): mapped irrigation ended 2020 — 6 years idle — while senior physical service on OLIGARCHY DITCH still attaches. Idle water on idle ground.77.8
59Drought reliability cliffOLIGARCHY DITCH: modeled irrigation-season reliability 86% in median years → 54% dry → 33% severe drought (2002-class replay). A 54-point cliff under stress.80.3
56Underused water asset193.7968889 ac (WELD County, LONGMONT CITY OF): mapped irrigation ended 2020 — 6 years idle — while senior physical service on OLIGARCHY DITCH still attaches. Idle water on idle ground.77.8
55Underused water asset179.231 ac (BOULDER County, LAKE MCINTOSH RESERVOIR COMPANY): mapped irrigation ended 2020 — 6 years idle — while senior physical service on OLIGARCHY DITCH still attaches. Idle water on idle ground.77.8
55Drought reliability cliffOLIGARCHY DITCH: modeled irrigation-season reliability 82% in median years → 33% dry → 9% severe drought (2002-class replay). A 73-point cliff under stress.100.0
55Drought reliability cliffOLIGARCHY DITCH: modeled irrigation-season reliability 80% in median years → 28% dry → 6% severe drought (2002-class replay). A 74-point cliff under stress.100.0
55Underused water asset170.42681296 ac (WELD County, HERGENREDER SOUTH 200 LLC): mapped irrigation ended 2020 — 6 years idle — while senior physical service on OLIGARCHY DITCH still attaches. Idle water on idle ground.77.8
53Augmentation condition not verifiedOLIGARCHY 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 asset143.7084651 ac (WELD County, MC LANE WESTERN INC): mapped irrigation ended 2020 — 6 years idle — while senior physical service on OLIGARCHY DITCH still attaches. Idle water on idle ground.77.8
52Underused water asset136.99 ac (BOULDER County, COUNTY OF BOULDER): mapped irrigation ended 2020 — 6 years idle — while senior physical service on OLIGARCHY DITCH still attaches. Idle water on idle ground.77.8
51Underused water asset124.40446036 ac (WELD County, LONGMONT CITY OF): mapped irrigation ended 2020 — 6 years idle — while senior physical service on OLIGARCHY DITCH still attaches. Idle water on idle ground.77.8
51Drought reliability cliffOLIGARCHY 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 cliffOLIGARCHY DITCH: modeled irrigation-season reliability 86% in median years → 54% dry → 32% severe drought (2002-class replay). A 54-point cliff under stress.81.2