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 Topic:  Spill flows for May 15-19, 2026 

Forums -> Flows -> Spill flows for May 15-19, 2026 Page 1 of 1
Posted to flow site: San Joaquin - At Horseshoe BendNext TopicPrev Topic
 Author  Message 
paul martzen
Member
Posted: May 12, 2026Post Subject: Spill flows for May 15-19, 2026
Below is the forecast for the spill season’s projected timing, magnitude, and duration of boating flows.



Weekly Forecast: Projected Dates of Boating Opportunities

2026 Water Year Type: Spill Year – Schedule C

Projected Boating Opportunity dates: Currently estimated to start on or around May 15th

(Boatable Flow Range is 3500-1600 cfs; shown in blue text below. SCE will be targeting providing a minimum of two Boater Opportunity days at >2000 cfs)



Date*


Step/Day


Dam 7 Spill Range (cfs)

5/15/2026


3


2500-2000


Boatable flow range

5/16/2026


4


2500-2000


Boatable flow range

5/17/2026


5


2000-1600


Boatable flow range

5/18/2026**


6


1600-1200


At 6pm

5/19/2026


7


1200-800


At 2am (appx. every 5 hour step)

5/19/2026


7


800-600


At 12pm

5/19/2026


7


600-400


At 5pm

5/19/2026


7


400-200


At 10pm

5/20/2026


8


200-MIF


*Forecasted Dates are subject to change depending on weather conditions.



** Post boating flow steps may be extended depending on inflows and natural spill conditions



Reminders:

Real-Time Flow gages are available here

Kisters: https://www2.kisters.net/SCEPublic/
Dreamflows: https://www.dreamflows.com/graphs/day.097.php
________________________________
Paul Martzen
Fresno, CA
Forums -> Flows -> Spill flows for May 15-19, 2026 Page 1 of 1