Record Display for the EPA National Library Catalog


Main Title Benthic Macroinvertebrate Communities at Maryland's Core/Trend Monitoring Stations: Water Quality Status and Trends.
Author E. S. Friedman
CORP Author Maryland Dept. of Natural Resources, Annapolis. Monitoring and Non-Tidal Assessment Div.; Environmental Protection Agency, Annapolis, MD. Chesapeake Bay Program.
Year Published 2009
Report Number CBWP-MANTA-MN-09-1
Stock Number PB2014-108943
Additional Subjects Benthos ; Invertebrates ; Biological communities ; Water quality ; Maryland ; Biological indicators ; Clean Water Act ; Historical data ; Land use ; Rivers ; State programs ; Trends ; Water pollution monitoring ; Water sampling ; Water use ; Monitoring stations
Library Call Number Additional Info Location Last
NTIS  PB2014-108943 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 95p
A benthic macroinvertebrate monitoring program known as the TREND program was created in the early 1970's and was based on the Baseline monitoring program established by the Interstate Commission Potomac River Basin (ICPRB) for the Potomac River. The program monitored the aquatic environment by sampling the community of macroinvertebrates at selected sites across Maryland. In response to the 1972 Federal Clean Water Act additional benthic macroinvertebrate sites (CORE) were added to the program and the CORE/TREND monitoring program was established in the early to mid 1970s. The overall plan and design of this program was to establish ambient water monitoring stations at fixed locations to document the status and determine long-term trends in water quality (QAQC 1995). These programs were intended to determine trends in water uses, impacts in problem areas, land use areas, and trends in areas where future development may influence water quality (U.S. EPA Report No. 440 1976). Stations were located, whenever possible, where historical data were available and within major rivers and larger tributaries of Maryland's drainage basins.