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Ryan Lefers

Griffith Endowed Chair in Agriculture and Water Resources, South Dakota Water Resources Institute Director & SDSU Extension Water Management Specialist

605-688-5610

Raven Precision Ag Building 136B
Box 2100
Brookings, SD 57007

Ryan supports the citizens of South Dakota in his role as the Griffith Endowed Chair in Agriculture and Water Resources, South Dakota Water Resources Institute Director & SDSU Extension Water Management Specialist at the South Dakota State University campus in Brookings.

State & Regional Offices

SDSU Campus
Also by Ryan Lefers
Fog rising over a wooded peninsula at Lake Herman.

Seasonal Water Quality in Upper Midwest Shallow Prairie Lakes: What happens, why it matters, and what tools scientists use to monitor changes in lake water quality

Shallow prairie lakes across the Upper Midwest follow a predictable seasonal cycle driven by weather, nutrients, algae, and natural biological processes. Understanding this cycle helps lake users know what to expect, stay safe, and appreciate how lakes function.

A group of people listening to a presentation
Nov 05

Good Neighbor AI Symposium

SDSU Extension, the South Dakota Water Resources Institute, the South Dakota Economic Development Professionals Association and the Center for AI Innovation and Emergent Technologies at SDSU will host an artificial intelligence symposium on November 5 from 9:30 a.m. to 3:30 p.m. at McCrory Gardens (631 22nd Ave, Brookings, SD 57007).

A group of people listening to a presentation

Balancing economics with resources is theme of 2026 Eastern SD Water Conference

July 29, 2026

South Dakota State University Extension and the South Dakota Water Resources Institute at SDSU are excited to announce the theme of the 2026 Eastern South Dakota Water Conference: Balancing Economic Development with South Dakota Water Resources.