Skip to main content

Search

Secchi disk being used to measure lake transparency.

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.

Storm water rushing down a street gutter.

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.

Leaves clogging stormwater drain.

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.

Eastern South Dakota Water Conference participants.

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.

Lake water with intense algae bloom throughout.

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.

Two white, newborn lambs under a red heat lamp in a barn.

Sheep Facilities and Moisture

Fact sheet for keeping a barn comfortable and dry to increase lamb survival.

Several red angus cattle feeding at a feed bunk.

Concentrated Animal Feeding Operations training to be held March 29

March 06, 2023

South Dakota State University Extension, the South Dakota Department of Agriculture and Natural Resources, and the Natural Resources Conservation Service are offering an environmental training session for operators of Concentrated Animal Feeding Operations (CAFOs) on March 29 at the Crossroads Convention Center, 100 Fourth St. S.W., in Huron.

A series of hog barns.

South Dakota pork producers have a chance to tell their story

March 14, 2023

South Dakota State University Extension is encouraging South Dakota hog farmers to join the Your Farm Sustainability Report, a Pork Checkoff-funded project.

Lake water with abundant blue-green algae throughout.

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.

Cottonwood Creek on the SDSU Cottonwood Field Station.

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.