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

HARMONY DITCH 3

spine entity 021c7b04-9012-42c1-ab4b-93983af4ed03WDID 6400510dependency report →
Active signals
2
2 instances
Max priority
94.6
Last observed
2026-09-30
Signal historyall resolved detections on this record
PriSignalDetailScoreObserved
95Critical call exposureHARMONY DITCH 3 (1903 priority) carries 2,380.1 day-equivalents of observed call exposure from 58 senior caller(s); dominant caller SOUTH PLATTE RIVER COMPACT (573.1 day-eq). 1934 season-days curtailed in the last five seasons.75.72026-09-30 00:00:00
85Season call nowcast: expected curtailmentHARMONY DITCH 3, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~181 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
Record payload
wdid
6400510
state
CO
county
LOGAN
admin_no
19490
division
1
latitude
40.855237
right_id
6400510-19490.00000
longitude
-102.867615
county_fips
08075
identifiers
{"wdid":"6400510"}
decreed_uses
1
legal_status
Absolute
water_source
SOUTH PLATTE RIVER
seniority_rank
7964
structure_name
HARMONY DITCH 3
structure_type
DITCH
water_district
64
decreed_rate_cfs
219
score_components
{"callers":58,"recency":1,"exposure_depth":0.6,"day_equivalents":2380.1,"dominant_caller":"SOUTH PLATTE RIVER COMPACT","season_days_5yr":1934}
decreed_volume_af
null
appropriation_date
1903-05-13
Structure & decree profile
structure
HARMONY DITCH 3 (WDID 6400510)
type / source
DITCH · SOUTH PLATTE RIVER
administration
Division 1 · Water District 64 · LOGAN County
decreed rights
1 · senior priority 1903-05-13 (admin 19490.00000)
decreed capacity
219 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
HARMONY DITCH 2
359.7 day-equivalents · 97 episodes over 16 seasons · last 2026 · confidence 0.98
EVANS NO 2 DITCH
212.4 day-equivalents · 186 episodes over 30 seasons · last 2026 · confidence 0.98
LOWER LATHAM DITCH
164.6 day-equivalents · 80 episodes over 17 seasons · last 2026 · confidence 0.98
LOWER PLATTE BEAVER D
138.1 day-equivalents · 194 episodes over 28 seasons · last 2026 · confidence 0.98
Dependencies & control
owner evidence
HARMONY 3 DITCH CO · corroborated (0.72) · CDSS structure associated contacts