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

HARMONY D 2 SPILL FM POWEL

spine entity 04500778-a33e-47c2-b3df-21f72570ea8bWDID 6400830dependency report →
Active signals
2
3 instances
Max priority
77.1
Last observed
2026-09-30
Signal historyall resolved detections on this record
PriSignalDetailScoreObserved
77Critical call exposureHARMONY D 2 SPILL FM POWEL (1897 priority) carries 3,161.5 day-equivalents of observed call exposure from 83 senior caller(s); dominant caller SOUTH PLATTE RIVER COMPACT (573.1 day-eq). 2552 season-days curtailed in the last five seasons.87.42026-09-30 00:00:00
70Season call nowcast: expected curtailmentHARMONY D 2 SPILL FM POWEL, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~207 of 214 season days from the basin's administration record. Dominant caller SOUTH PLATTE RIVER COMPACT: P(call by Jun 15) = 1 over 6 comparable seasons.100.02026-07-18 12:00:00
66Critical call exposureHARMONY D 2 SPILL FM POWEL (1897 priority) carries 1,365.4 day-equivalents of observed call exposure from 50 senior caller(s); dominant caller EVANS NO 2 DITCH (212.4 day-eq). 1047 season-days curtailed in the last five seasons.60.52026-09-30 00:00:00
Record payload
wdid
6400830
state
CO
county
LOGAN
admin_no
44194.1729
division
1
latitude
40.816446
right_id
6400830-44194.17290
longitude
-102.960432
county_fips
08075
identifiers
{"wdid":"6400830"}
decreed_uses
1
legal_status
Absolute
water_source
SOUTH PLATTE RIVER
seniority_rank
25669
structure_name
HARMONY D 2 SPILL FM POWEL
structure_type
DITCH
water_district
64
decreed_rate_cfs
50
score_components
{"callers":83,"recency":1,"exposure_depth":0.79,"day_equivalents":3161.5,"dominant_caller":"SOUTH PLATTE RIVER COMPACT","season_days_5yr":2552}
decreed_volume_af
null
appropriation_date
1897-05-03
Structure & decree profile
structure
HARMONY D 2 SPILL FM POWEL (WDID 6400830)
type / source
DITCH · SOUTH PLATTE RIVER
administration
Division 1 · Water District 64 · LOGAN County
decreed rights
2 · senior priority 1897-05-03 (admin 17290.00000)
decreed capacity
50 cfs
status
Absolute
Controlling senior callers (observed)
SOUTH PLATTE RIVER COMPACT
573.1 day-equivalents · 153 episodes over 36 seasons · last 2026 · confidence 0.98
BURLINGTON D RIVER HEADGATE
538.2 day-equivalents · 875 episodes over 37 seasons · last 2026 · confidence 0.98
EVANS NO 2 DITCH
464.1 day-equivalents · 462 episodes over 33 seasons · last 2026 · confidence 0.98
HARMONY DITCH 2
359.7 day-equivalents · 97 episodes over 16 seasons · last 2026 · confidence 0.98
LOWER LATHAM DITCH
329.2 day-equivalents · 160 episodes over 17 seasons · last 2026 · confidence 0.98
Dependencies & control
owner evidence
UPPER HARMONY DITCH COMPANY · corroborated (0.72) · CDSS structure associated contacts
owner evidence
UPPER HARMONY DITCH COMPANY · corroborated (0.72) · CDSS structure associated contacts