Letter to the Editor & Op-ed Guide
Looking for guidance on submitting a Letter to the Editor? Check out the LTE/Op-ed Guide.
Save Our Streams Advocacy Guide
The SOS Advocacy Guide shows you how to take action at the local, state or federal level to protect the waterways you monitor.
Critter Cubes
This game for students simulates collecting a benthic macroinvertebrate sample using the Save Our Streams protocol. Perfect if you want to teach students about macroinvertebrates and stream monitoring but can’t…
Advocacy Ignites Action to Address Nitrate in Southeast Minnesota Groundwater (Webinar)
In April 2023, environmental and public health groups in Minnesota asked the United States Environmental Protection Agency to use its emergency authority to address concerning nitrate levels in the groundwater…
SOS Equipment Lists
A list supplies needed to conduct a Save Our Streams chemical or biological survey, including links to purchase.
Log-in Instructions
Instructions on how to access your account on the new League website – for members and League leadership that need access to the new database tools.
2025 Farm Bill Priorities
The Farm Bill affects everyone—from the water we drink, to the food we eat, to the health of communities across the country. To meet the moment, the next Farm Bill…
SOS Car Sign
Place this sign on your car dashboard or window to let curious people passing by know that you are parked there in order to conduct stream monitoring.
Watershed Stewardship Action Kit
This guide helps community members get started monitoring, caring for, and advocating for their watershed.

Your kit will include a bottle containing 25 nitrate test strips which you can use to test your water source(s) throughout the year. You’ll also receive postcards explaining how to use your nitrate test strips and how to share your Nitrate Watch results on the Clean Water Hub.
Your kit will include four test strips so you can test your waterway throughout the season. You’ll also receive a chart to help you interpret your results and a postcard with instructions for completing a Salt Watch test and reporting your findings.