MD iMAP: Maryland Stream Health - Stream Wader Sites volunteer collected
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The sample sites are color coded according to the Benthic Index of Biotic Integrity (BIBI) scores. Anything below a BIBI score of 3.0 is red (Poor) -  3.0-3.9 is yellow (Fair) -  and 4.0-5.0 is green (Good).Begun as a pilot in …