2026 October Water Supply Update

9.10.2026 October Water Supply Update

Sunnyside Valley Irrigation District continues to monitor water supply conditions closely. Based on the latest information from the Bureau of Reclamation’s monthly river operations meeting, water is expected to be available in October. The remaining question is whether supplies will be full or reduced.

The October outlook is more favorable than it was at this time last year, but uncertainty remains. Weather conditions during the remainder of September will play a significant role in determining available supply. Warm, dry weather could increase demand and reduce supplies, while cooler temperatures and precipitation would improve the outlook.

SVID remains concerned that current operating practices continue to place senior October water supplies at risk. While the outlook is encouraging, October deliveries will depend heavily on favorable September weather and inflows. SVID believes senior water rights holders should not have to rely on favorable late-season weather to receive water supplies associated with adjudicated water rights and historic October deliveries. The District will continue to advocate for and protect senior October entitlements.

SVID will continue coordinating with the Bureau of Reclamation and monitoring basin conditions throughout September. Additional updates will be provided as new information becomes available.

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September Closure

Our offices will be closed Monday, September 7th for Labor Day.

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Set up your Online Account Today for Easy Access to Irrigation Services!

By setting up an online account, you can quickly and easily manage your irrigation account, view your water usage history, make payments, and more. Our online portal is available 24/7, making it convenient for you to access your irrigation information whenever and wherever you need it. To set up your account, simply click the button below to start the process.
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ABOUT SVID

Sunnyside Valley Irrigation District is a leading irrigation district serving over 94,000 acres in the Yakima Valley. The district is the second largest of six divisions of the U.S. Bureau of Reclamation’s Yakima Project. Sunnyside Valley Irrigation District comprises approximately 95 percent of the land in the Sunnyside Division and is responsible for operating and maintaining the conveyance and distribution facilities in the area. The district’s water supply comes from the Yakima River Watershed, which includes five storage reservoirs with a total storage capacity of 1-million-acre feet.

Since its establishment in 1905, Sunnyside Valley Irrigation District has been a critical part of the Yakima River Basin’s development. The district’s history dates back to the late 1800s when the Konewock Ditch Company and Piety Flat Ditch Company began diverting water to their respective lands. With its rich history and expertise in irrigation, Sunnyside Valley Irrigation District is committed to providing its customers with reliable and efficient irrigation services year after year.

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Latest Board Meetings

Sep
1
2026

SVID BOARD

Sep
1
2026

SDBOC BOARD

Aug
11
2026

SVID BOARD

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Frequently Asked Questions

Water Rights are attached to the assessed land.  Assessed lands in SVID are obligated to pay for each parcel’s proportionate share of the cost of construction, operation, and maintenance to provide irrigation service within its boundary.  It is not a fee for water use.  It is an assessment against the land to provide the necessary revenue to enable the irrigation district to provide authorized services. 

You can send by mail to P.O. Box 239 Sunnyside, WA  98944 

 In-person at 120 S. 11th Street, Sunnyside, WA  98944 (afterhours locked drop box is available) 

Online using the Customer Account Portal 

Phone payment are NOT accepted 

Using your lateral and delivery information from assessment you can go to facilities map and find your location and then lateral and delivery box.  This will give you an approximate location of your irrigation delivery box.  You can also contact the office (509-837-6980) and they can give you to the appropriate supervisor using your lateral and delivery information. 

Orders may be placed by calling the automated system or using the customer account portal.  You will need to know your lateral, delivery, and amount of water needed in gallons per minute (GPM), points, or cubic feet per second (CFS). 

Each parcel of land may have a different allotment and a different flow rate.  Please contact the District at (509)837-6980 with your parcel number for the specific information. 

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