Established in 1995, Technical Monitoring is a nationally recognized example of the acceptance and use of citizen science data by the State and the EPA. The Technical Monitoring program is comprised of volunteers who are ordinary citizens taking on the role of scientists by using new and sophisticated technology to collect data about the health of our local streams.
Technical Monitoring was developed to supplement the State's monitoring efforts in other locations by providing reliable baseline values for several different chemical and physical parameters. The monthly sampling frequency, strategic site selection, rigorous quality assurance and control measures, and technical equipment allow for more subtle trend analysis. This data has been collected is 
several watersheds throughout the state of Delaware.
The Christina Basin Watershed covers 564 square miles in Delaware, Pennsylvania, and Maryland. Comprised of the Brandywine Creek, Christina River, Red Clay Creek, and White Clay Creek sub-basins, our dedicated volunteers perform technical monitoring of water quality at thirty locations throughout the basin. They've been collecting monthly chemical data since the end of 1995.
The Mispillion River watershed contains 73 square miles along the boundary between Kent and Sussex counties where our volunteers have been collecting water quality data since 2003.
We'd like to invite you to download copies of our watershed reports to your computer and make full use of our information. To download, click on the links in the right column ( NOTE: please be advised that the PDF files are quite large due to the high resolution required for printing).
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