2023 Nitrate Watch Annual Report
This report summarizes participation and engagement in the Nitrate Watch program in 2023, including analysis of volunteer-reported nitrate data from across the country.
VA SOS/CMC Muddy Bottom Manual
A step-by-step guide through the VA SOS Muddy Bottom sampling protocol.
VA SOS/CMC Rocky Bottom Manual
A step-by-step guide through the VASOS Rocky Bottom sampling protocol.
CMC SOS Monitor Manual
An essential for CMC SOS monitors – contains everything you need, including information on establishing a site, monitoring protocols, filling out data sheets, and submitting data.
Virginia Save Our Streams Monitor Manual
An essential for VA SOS monitors – contains everything you need, including information on establishing a site, monitoring protocols, filling out data sheets, and submitting data.
Advocacy Tips for Urban & Suburban VA SOS Monitors
Ideas and resources to help VA SOS monitors advocate for clean water in suburban and urban areas.
Save Our Streams 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.
Creek Freaks Curriculum
A curriculum that introduces children in grades 4-8 to watershed education through hands-on experiments and advocacy.
Aquatic Macroinvertebrate Pollution Sensitivities and Size Chart (Spanish)
A Spanish quick-guide to macroinvertebrate pollution sensitivity and size. Translation credit to Lucila Fernandez from Montgomery Parks.

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.