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Mad River Watch

2015 was the 31st Year of the Mad River Watch Program!

2015 Sampling is Complete! See E. coli data summary here. See phosphorus and turbidity summary here.

Mad River Watch volunteers collected samples on the following dates during the summer of 2014: June 15, June 29, July 13, July 27, August 10, August 24. See data from each date below.

FMR has been monitoring water quality in the Mad River since 1985 and has the longest continuous volunteer water quality monitoring dataset in the country. Every summer, volunteers collect water samples from 36 sites on the Mad River and its tributaries. At all sites, data collection includes water temperature, pH, and E. coli bacteria levels. Eighteen sites are sampled for phosphorus and turbidity. MRW results are published in the Valley Reporter, Facebook and the FMR website and also displayed on FMR signs at ten popular swim holes.

The Mad River Watch Program is a water quality monitoring, improvement, and protection program for the Mad River and its tributaries sponsored by the Friends of the Mad River. The program involves community participants in collecting high quality information on the physical, chemical, and biological indicators of water quality. The overall goal of the MRWP is to restore and maintain the physical, chemical, and biological integrity of the Mad River system by identifying and addressing water quality problems that affect the health and human use of the river ecosystem. Other goals include:
  • To build public support for clean water
  • To establish and maintain a long-term valley wide information base to help us evaluate the long-term health of the river and to take actions to improve and maintain it.
  • To provide an enriching educational and practical experience for junior and senior high school students which integrates and applies several sciences and social studies.
  • To increase public awareness of the connection between land use and water quality.

Do you want to be involved? We have volunteer opportunities each year. Be in touch by email or phone and let us know.

Most Recent Results

June 15, 2015

June 29, 2015

July 13, 2015

July 27, 2015

August 10, 2015

August 24, 2015

All E. coli data - 2015 Data Summary

All Phosphorus and Turbidity data - 2015

Historical Data

2014 E. coli Summary results for all locations

All Phosphorus and Turbidity data - 2014

Total Phosphorus - 2013

Turbidity - 2013

2013 E. coli Summary results for all locations

2012 E. coli Summary results for all locations

2011 E. coli Summary results for all locations

2010 E. coli Summary results for all locations

Map of Sampling Locations

FMR collects samples at 36 sites in the Mad River watershed, including sites on the mainstem, several tributaries, and many of the popular swim holes.

A Primer for Safe Swimming

This primer reviews the facts about water quality and how it can affect swimmer's health.  Click here to view the guide.
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