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The Trophic State Index
The Trophic State Index is a means for lake professionals and volunteers alike to numerically measure the productivity of a natural lake or man-made reservoir. Learn how it's used in South Dakota to survey the condition of our water resources.
South Dakota Water and Community Symposium to be Held July 26
July 22, 2022
SDSU Extension will host a one-day South Dakota Water and Community Symposium on Tuesday, July 26 from 9:30 a.m. – 2:30 p.m. CDT at the Raven Precision Agriculture Center on the South Dakota State University campus in Brookings.
Five Range Management Principles: #5 Climate Ready
Understanding your ranching system is critical, and identifying anticipated soil-plant-animal responses during periods of dry, wet, or normal conditions will enable you to develop climate-ready practices. Learn how to get started today!
Urban Stormwater Systems and Leaf Litter
Leaf litter can be a significant source of organic debris to urban stormwater systems during fall rain, which can mean nutrient spikes in the receiving bodies of water. Learn some expert tips for managing leaf litter this fall.
First Fall Frost Dates
The first fall frost often marks the end of the growing season, and many garden plants may not survive the freezing temperatures. Learn about some available tools we can use to predict the first fall frost dates around the state.
2022 Fall and Early Winter Climate Outlook
The warmth of September is likely to continue into October with odds leaning towards drier than average conditions according to the latest climate outlook released on September 15, 2022.
Registration Open for the 2022 Eastern South Dakota Water Conference
September 21, 2022
Registration is open for the 2022 Eastern South Dakota Water Conference to be held on Wednesday, Oct. 12, at the McCrory Gardens Education and Visitor Center in Brookings, South Dakota.
Liebig’s Law of the Minimum and Phosphorus in South Dakota Surface Waters
Too much phosphorus in water can lead to increased growth of aquatic plants, algae blooms and fish kills. Learn about some recent research investigating the impact of phosphorus runoff on South Dakota's water resources.
What is the “a” in Chlorophyll-a?
Have you ever heard the term "chlorophyll a" used in reference to a lake's blue-green algae content? From type "a" to type "f," learn how different types of chlorophyll impact lakes and aquatic environments.
Western South Dakota Stream Guide now available for landowners, managers
January 24, 2023
A new manual, “Understanding Western South Dakota Prairie Streams” – or the Stream Guide – is now available as a free digital download.