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

70 RANCH STORAGE RESERVOIR

spine entity 83e45f9c-99d4-4c2d-9c3b-eec508b5c1efWDID 0103028dependency report →
Active signals
3
8 instances
Max priority
94.6
Last observed
2026-09-30
Signal historyall resolved detections on this record
PriSignalDetailScoreObserved
95Critical call exposure70 RANCH STORAGE RESERVOIR (2013 priority) carries 3,999 day-equivalents of observed call exposure from 91 senior caller(s); dominant caller SOUTH PLATTE RIVER COMPACT (573.1 day-eq). 3212 season-days curtailed in the last five seasons.100.02026-09-30 00:00:00
85Season call nowcast: expected curtailment70 RANCH STORAGE RESERVOIR, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~212 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 exposure70 RANCH STORAGE RESERVOIR (1974 priority) carries 3,191.6 day-equivalents of observed call exposure from 84 senior caller(s); dominant caller SOUTH PLATTE RIVER COMPACT (573.1 day-eq). 2575 season-days curtailed in the last five seasons.87.92026-09-30 00:00:00
66Critical call exposure70 RANCH STORAGE RESERVOIR (2016 priority) carries 3,999 day-equivalents of observed call exposure from 91 senior caller(s); dominant caller SOUTH PLATTE RIVER COMPACT (573.1 day-eq). 3212 season-days curtailed in the last five seasons.100.02026-09-30 00:00:00
66Critical call exposure70 RANCH STORAGE RESERVOIR (2016 priority) carries 3,999 day-equivalents of observed call exposure from 91 senior caller(s); dominant caller SOUTH PLATTE RIVER COMPACT (573.1 day-eq). 3212 season-days curtailed in the last five seasons.100.02026-09-30 00:00:00
65Critical call exposure70 RANCH STORAGE RESERVOIR (1877 priority) carries 489 day-equivalents of observed call exposure from 20 senior caller(s); dominant caller EVANS NO 2 DITCH (212.4 day-eq). 411 season-days curtailed in the last five seasons.46.52026-09-30 00:00:00
58Season call nowcast: expected curtailment70 RANCH STORAGE RESERVOIR, 2026 season outlook: Apr 1 SWE 61% of median → severe-class year; expected curtailment ~212 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
53Augmentation condition not verified70 RANCH STORAGE RESERVOIR: 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.59.52026-07-18 12:00:00
Record payload
wdid
0103028
state
CO
county
WELD
admin_no
59899
division
1
latitude
40.336593
right_id
0103028-59899.00000
longitude
-104.421009
county_fips
08123
identifiers
{"wdid":"0103028"}
decreed_uses
2ACER
legal_status
Conditional
water_source
SOUTH PLATTE RIVER
seniority_rank
52547
structure_name
70 RANCH STORAGE RESERVOIR
structure_type
RESERVOIR
water_district
1
decreed_rate_cfs
200
score_components
{"callers":91,"recency":1,"exposure_depth":1,"day_equivalents":3999,"dominant_caller":"SOUTH PLATTE RIVER COMPACT","season_days_5yr":3212}
decreed_volume_af
null
appropriation_date
2013-12-30
Structure & decree profile
structure
70 RANCH STORAGE RESERVOIR (WDID 0103028)
type / source
RESERVOIR · SOUTH PLATTE RIVER
administration
Division 1 · Water District 1 · WELD County
decreed rights
8 · senior priority 1877-09-15 (admin 10120.00000)
decreed capacity
200 cfs + 6,000 AF
status
Absolute, Conditional
Controlling senior callers (observed)
SOUTH PLATTE RIVER COMPACT
2,292.4 day-equivalents · 612 episodes over 36 seasons · last 2026 · confidence 0.98
BURLINGTON D RIVER HEADGATE
1,693.2 day-equivalents · 2351 episodes over 37 seasons · last 2026 · confidence 0.98
HARMONY DITCH 2
1,438.8 day-equivalents · 388 episodes over 16 seasons · last 2026 · confidence 0.98
EVANS NO 2 DITCH
1,433.4 day-equivalents · 1482 episodes over 33 seasons · last 2026 · confidence 0.98
LITTLETON BOAT CHUTE NO 9
976.5 day-equivalents · 240 episodes over 10 seasons · last 2025 · confidence 0.98
Dependencies & control
owner evidence
ARAPAHOE COUNTY WATER & WASTEWATER AUTHORITY · probable (0.55) · CDSS structure associated contacts
owner evidence
ARAPAHOE COUNTY WATER & WASTEWATER AUTHORITY · probable (0.55) · CDSS structure associated contacts
owner evidence
ARAPAHOE COUNTY WATER & WASTEWATER AUTHORITY · probable (0.55) · CDSS structure associated contacts