Search Results for the EPA National Library Catalog

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Select Item Title Year Published
1985-1987 Maryland water quality inventory 1988 report to the U.S. Environmental Protection Agency according to Section 305(b) of the Clean Water Act (P.L. 97-117) / 1988
A study of the dispersion and flushing of water-borne materials in the northwest branch of Baltimore Harbor, and the relationship between these physical processes and the water quality of the inner harbor / 1970
A water quality study of the Piscataway Creek Watershed / 1968
Administrator's decision on the proposed Dickerson wastewater treatment plant grant application / 1976
Assessment of interstate streams in the Susquehanna River Basin 1999
Benthic Macroinvertebrate Communities at Maryland's Core/Trend Monitoring Stations: Water Quality Status and Trends. 2009
Biological indicators enhance water quality monitoring in Maryland's coastal bays. 2007
Chemical and physical character of municipal water supplies in Maryland, 1969
Chemical quality of ground water in the Culpeper Basin, Virginia and Maryland 1983
Chemical quality reconnaissance of water of Maryland streams, 1966
Chester River study : a joint investigation / 1972
Data on the quantity and chemical quality of precipitation, Catoctin Mountain, north-central Maryland, 1982-91 / 1993
December 1997 Water quality assessment report at site 104 open-water dredged material placement site, Maryland / 1998
Delineation of wellhead protection areas using particle tracking analysis and hydrogeologic mapping, northern Anne Arundel County, Maryland 1995
Delivering timely water quality information to your community : the Chesapeake Bay and National Aquarium in Baltiore EMPACT Projects / 2002
Development and exchange of instructional resources in water quality control programs, Charles County Community College, LaPlata, Maryland. 1974
Development of a provisional physical habitat index for Maryland freshwater streams 1999
Distribution of phytoplankton in Maryland lakes / 1977
Draft environmental impact statement for proposed open-water placement of dredged material at site 104, Queen Anne's County, Maryland. 1999
Effects of sewage pollution on fishes in Upper Patuxent River 1967
Estimation of nutrient and suspended-sediment loads in the Patuxent River Basin, Maryland, water years 1986-90 / 1997
Executive panel report to the administrator on the proposed Montgomerty County advanced wastewater treatment plant / 1976
Final technical report for the period August 1968 to August 1970 to Office of Water Resources Research : project title - the effects of thermal loading and water quality on estuarine primary production / 1970
First report on the hydrologic effects of underground coal mining in southern Garrett County, Maryland 1985
From the mountains to the sea : the state of Maryland's freshwater streams / 1999
Greenbriar Lake : an assessment of lake water quality at drawdown and its resultant impact on downstream water quality / 1979
Ground water in the Piedmont Upland of central Maryland 1980
Ground-water and surface-water data for Frederick County, Maryland 1985
Ground-water quality in the Piedmont region of Baltimore County, Maryland 1998
Hydrogeologic, soil, and water-quality data for j-field, Aberdeen Proving Ground, Maryland, 1989-94 / 1996
Hydrogeology and water quality in the Graces Quarters area of Aberdeen Proving Ground, Maryland 1995
Hydrogeology and water quality of the Catoctin Mountain National Park Area, Frederick County, Maryland 1985
Hydrologic data for Howard County, Maryland 1992
Investigation into the effect of the intake curtain wall on forebay water quality at Calvert Cliffs 1976
Jenkins Creek an evaluation of water quality and waste discharge impact / 1978
La Trappe Creek an evaluation of water quality and waste discharge impact / 1977
Magothy River : a summary of available information relating to water quality issues / 1981
Marina impact on water quality in Kent Island Narrows, Maryland / 1979
Maryland air and water quality atlas 1983
Maryland ground-water information : chemical quality data / 1978
Maryland water quality 1980 pursuant to Section 305(b) Clean Water Act (P.L. 95-217) / 1980
Maryland water quality 75 : a report prepared jointly 1975
Maryland water quality inventory : a report on the progress toward meeting the goals of the Clean Water Act / 1982
Middle Potomac River Basin : environmental assessment of stream conditions / 1998
Modeling the fate and water quality impact of the proposed dredged material placement at site 104 / 1999
Montgomery County advanced wastewater treatment facility : effects of site location on water quality 1972
Network description and initial water-quality data from a statewide ground-water-quality network in Maryland 1996
Nonpoint source assessment of the Monocacy River with special emphasis in Double Pipe Creek watershed final report / 1986
Nutrient and sediment concentrations, trends, and loads from five subwatersheds in the Patuxent River basin, Maryland, 1986-96 / 1999
Nutrient dynamics in the Choptank River watershed a comparative analysis of subwatershed exports / 1988
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