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Welcome to Benton-Franklin County Extension

FREE Pressure Canner Gauge Testing

The USDA recommends having pressure canner gauges tested annually. Testing your pressure canner will determine whether it is functioning properly and will help you produce safely preserved food.

Kennewick Extension office

7102 W. Okanogan Place
July 30th, 10am – 1pm
August 13th, 10am – 1pm
August 27th, 10am – 1pm
September 10th, 10 am – 1pm

Prosser Extension office

1121 Dudley Avenue
August 11th, 10am – 1pm

Call 735-3551 to schedule your appointment.
Testing will be conducted outside.
Social distancing and masks are required.
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Extending Knowledge. Changing Lives.

Washington State University Extension of Benton and Franklin Counties connects area residents to the research and knowledge bases of the state’s land grant research university, providing solutions to local problems and stimulating local economies. Our county-based educators work with partners in your communities to provide educational programs and leverage the broad resources of a major university to resolve issues and create a positive future for the residents of Benton and Franklin Counties.

Learn From The Experts

Our local programs include agriculture and natural resources, 4-H youth, gardening and community horticulture, and food safety and preservation. In addition, Washington State University provides a broad range of consumer publications, online educational opportunities, and other statewide educational programs and technical assistance from four research and extension centers and 11 colleges.

WSU Learning Library
WSU Extension's Impacts


All Benton and Franklin County Extension offices are still open via phone and email contact but closed to the public or walk-in traffic.
We encourage you to call or email us if you have questions.

Benton County – Kennewick
(Gardening, Horticulture,
Food Preservation, Animal Science)

7102 W. Okanogan Place, Suite 102
Kennewick, WA 99336
(509) 735-3551
Hours: Monday – Friday | 8am – 4pm
Benton County – Prosser  
(Commerical Tree Fruit, Grapes and Small Fruit)

1121 Dudley Ave
Prosser, WA 99350-1320
(509) 786-5609
Hours: Monday – Thursday | 9am – 3pm
Franklin County – Pasco
(4-H, Family, Forage and Commercial Vegetables) 

404 W. Clark
Pasco, WA 99301
(509) 545-3511
Hours: Monday – Friday | 8:30am – 5:00pm
Some WSU Extension web sites provide links to external sites for the convenience of users. These external sites are not managed by WSU Extension. Furthermore, WSU Extension does not review, control or take responsibility for the content of these sites, nor do these sites implicitly or explicitly represent official positions and policies of WSU Extension.