Volunteer monitors

Uncommon commitment keeps monitors busy testing water quality

Colorado River Watch Network

​Certified Volunteer Monitor Resources

Other Water Quality Resources

  • The Volunteer Monitor, a quarterly U.S. Environmental Protection Agency (EPA) newsletter focuses on nation-wide volunteer water quality monitoring efforts (View back issues).
  • Volunteer Stream Monitoring: A Methods Manual, a U.S. EPA guide for volunteer programs, provides information on integrating physical, chemical, and biological water quality assessments to help readers understand the influence of land-use and activities on watershed health.
  • Guide to Freshwater Ecology, a manual created by Texas Commission on Environmental Quality covers a variety of toipcs related to freshwater ecosystems.​

Other Water Quality Monitoring Information

Pat and David Hopf test the water quality of the Pedernales River and Honey Creek.