Category: Chesapeake Monitoring Cooperative (CMC)
SOS Annual Report 2025
A summary of the data collected and progress made by IWLA’s Clean Water Program in 2025.
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.
Aquatic Macroinvertebrate Identification & Pollution Sensitivities
A chart grouping macroinvertebrates by how sensitive they are to pollution.
Stream Macroinvertebrates Key and Size Chart
A dichotomous key and size chart that can be used to help identify macroinvertebrates in the field.
Guide to Aquatic Macroinvertebrates: The Basics
A field reference with photos and a few identifying characteristics for each macroinvertebrate included in the Save Our Streams survey.
VA SOS/CMC Unknown Sample Submittal Form
A form to fill out and mail in alongside a macroinvertebrate sample that was unable to be identified for VA SOS.
VA SOS Rocky vs Muddy Bottom Factsheet
A factsheet highlighting the differences between Rocky Bottom and Muddy Bottom streams.
VA SOS/CMC Muddy Bottom Datasheet
The datasheet to fill out while taking a VA SOS Muddy Bottom sample.
VA SOS/CMC Rocky Bottom Datasheet
The datasheet to fill out while taking a VA SOS Rocky Bottom sample.
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.