Dewey County

Phone: 605.865.3652

Email Dewey County

Address:
SDSU Extension Dewey County Office
710 C St.
P.O. Box 9
Timber Lake, SD 57656

All Dewey County Content

4-H ribbons and awards stacked on a table.
Jul 16

4-H County Achievement Days and County Fair Schedule

SDSU Extension's South Dakota 4-H program will be hosting county fairs and achievement days across South Dakota beginning in July 2026.

a young man shooting a rifle

State Shooting Sports Records and Past Results

View state match records and an archive of past results for the South Dakota 4-H Shooting Sports program.

many hands raised in the air with sky background and the word volunteer

Volunteer Policies & Forms

These policies and forms provide useful information for volunteers.

A small herd of cattle gathered around a pond on an open range.

Livestock Water Testing

SDSU Extension offers on-site livestock water testing services at 33 locations across the state. 

red barn with a white shed in front of it and trees in the background

4HOnline & FairEntry

Instructions for using 4HOnline and FairEntry.