Online Publications

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The Monitoring and Non-Tidal Assessment Division posts many of its documents to the web as .pdf files. The documents listed below are organized into four groups:

  • Frequently Requested Documents - The publications that get the most attention.
  • General Documents - Publications written for a more general audience, organized into reports and fact sheets.
  • Area-Specific - Fact sheets specific to certain topics and geographic areas around the state.
  • Technical Documents - Sampling manuals, yearly data compilations, special study reports, and other technical reports.
  • Peer Reviewed Journal Articles, Book Chapters, and Symposium Proceedings Based on MBSS Data - .pdf with citations and links to journal websites where you can view abstracts or complete articles.


Can't find the document you are looking for? Use the contact information on the left and we will help you out.

Frequently Requested Documents

Maryland Biological Stream Survey Laboratory Methods for Benthic Macroinvertebrate Processing and Taxonomy (December 2022)2/2/2023
Biological Monitoring and American Eel Passage in the Patapsco River, Maryland (October 2022)2/1/2023
Zebra Mussel Monitoring and Habitat Assessment For Deep Creek Lake, Maryland11/28/2022
Key to the Crayfishes of Maryland5/1/2019
MBSS Sampling Manual : Field Protocols1/29/2019
Manual to the Freshwater Mussels of MD2/1/2016
Maryland Stream Waders Volunteer Stream Monitoring Manual1/9/2015
2014 Update to MBSS Sentinel Site Report12/31/2014
MBSS Round 3 Fish Population Estimates11/13/2014
Water Quality Monitoring for Trust Fund Sites5/16/2014
Common Fish of Maryland10/22/2013
Study on Dam Removal on the Patapsco River5/1/2013
Stream Discharge Monitoring for Trust Fund Sites5/1/2013
Do Road Salts Cause Environmental Impacts?4/1/2013
Geomorphic Monitoring for Trust Fund Sites2/1/2013
Key to the Amphibians and Reptiles of Maryland1/1/2012
Guide to Using Round 1 and 2 (1995 - 2010) Maryland Biological Stream Survey Data5/10/2010
Key to the Freshwater Fish of Maryland12/1/2009
New Biological Indicators To Better Assess The Condition Of Maryland Streams; Volume 1612/1/2005
Stream Corridor Assessment - Lower Linganore Creek5/1/2005
Family-Level Key to the Stream Invertebrates of Maryland and Surrounding Areas (rev 2003)8/1/2003
A Physical Habitat Index for Freshwater Wadeable Streams in Maryland7/1/2003
Development of a Benthic Index of Biotic Integrity for Maryland Streams12/1/1998
(More Items...)

General Documents

Didymosphenia geminata Infestation in Maryland: Reactions and Responses by the Maryland Department of Natural Resources, 2008-201412/1/2016
Monitoring freshwater mussel relocation in Deer Creek, Rocks State Park,6/1/2016
Quality Assurance Document for Temperature Monitoring2/3/2016
Relocation of freshwater mussels in Deer Creek, Rocks State Park, Maryland:6/1/2015
Maryland Stream Waders Volunteer Stream Monitoring Manual (2015)1/9/2015
Surveys for the Endangered Maryland Darter12/1/2012
Maryland Darter Survey12/1/2012
Maryland Stream Waders 10 Year Report10/1/2012
Key to the Amphibians and Reptiles of Maryland1/23/2012
2010 Sentinel Site Report4/1/2010
MBSS Sampling Manual : Field Protocols (Round 3: 2007-2009)2/1/2007
Eastern Mud Salamander Status in Maryland12/1/2006
Freshwater Bivalves of Maryland Field Identification Information8/1/2006
Stream Corridor Assessment - Ballenger Creek5/1/2005
Maryland Stream Waders Sample Year 2002 Report5/1/2003
Maryland Stream Waders Sample Year 2000 Report6/1/2002
Stream Corridor Assessment - Protocol Manual9/1/2001
(More Items...)

Fact Sheets

Freshwater Benthic Macroinvertebrates
Just Say No to Didymo - A Didymo factsheet
Stream Macroinvertebrates2/25/2016
The Threat of Introduced, Non-native Crayfishes to Maryland's Aquatic Ecosystems
Assessment of Water Quality in Streams of the Marcellus Shale Region
Maryland Waters: An Evaluation of Stream Health
Stronghold Watershed Fact Sheet
Long-term Monitoring Program Shows Improving Nitrogen Trends in Maryland's Rivers and Streams
Monitoring Results: Stream Restoration in the Magothy Watershed
Monitoring Results: Stream Restoration in the Red Hill Branch Watershed
Woody Debris is Good!
(More Items...)

Critter Posters

Crayfish of Maryland
The Maryland Darter
Frogs and Toads of Maryland
Lizards of Maryland
Salamanders of Maryland
Snakes of Maryland
Turtles of Maryland
(More Items...)

Technical Documents

Due to the large number in our archives, they can not all be listed here. If you are searching for a document that is not found above, please send us a Data Request, and we will be happy to assist you.