Coordinators:
Ridley Creek at the Taylor Arboretum (just above the old millworks dam) during drought conditions in August 1996. {photo: Bruce W. Grant, Copyright, 1996}

This page is maintained by Bruce W. Grant, Department of Biology, Widener University, Chester, PA, 19013, 610-499-4017, fax: 610-499-4496, was last revised 30 December 2007 (data unchanged since 20 July 1999), and has been accessed 19655 times since 1 December 1997.





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            You are welcome to download some or all of the material posted at this site for your use in your research and teaching. This does not include commercial uses for profit. If you do use any of the data posted at this site, you are requested to formally acknowledge this site and/or sites listed by this site as the source(s), and email me, Bruce W. Grant, at grant@pop1.science.widener.edu describing how you have used these data. Your comments are useful in inspiring others to better integrate all of our efforts in protecting our watersheds, and I will post selected comments at this site.

      Disclaimer:

            These data were collected by citizen volunteers using relatively inexpensive and low technology field methods, water chemistry kits, etc. We have taken reasonable precautions to assure quality control over the data posted at this site (including monitor training and re-training sessions and replacment of chemical reagents for the water quality kits in a timely manner); however, we cannot guarantee data accuracy. In addition, adult supervision is recommended when collecting water quality data, and we recommend that common sense and proper safety precautions be followed by all participants.

            No responsibility is implied or taken by any members of the Crum-Ridley-Chester Volunteer Water Monitoring Group, nor by the Chester-Ridley-Crum Watershed Association, nor by the webmaster - Dr. Bruce W. Grant, nor Dr. Grant's employer - Widener University, for (1) any uses of the data posted at this site for research, teaching, management, consulting, policy development, or any other use, and (2) for any person who sustains injuries as a result of collecting water quality data either inspired by the efforts of the CRCVWM Group or CRCWA, with or without the intention of contributing data to the CRCVWM Group or CRCWA, or related to any other activity that could derive from the CRCVWM Group or CRCWA.