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Keywords: Pollution


The Effect of pH on the Release of Phosphorus from Potomac river Sediment 1987

Publication date: November 01, 1987 | Type of document: | Download: Electronic Version

Recurring algal blooms in the tidal freshwater portion of the Potomac River indicate an association between chlorophyll a high phosphorus concentrations, and high pH of the water.  In the present study, the release of phosphorus from…

The Second Progress Report under the 1987 Chesapeake Bay Agreement 1989

Publication date: December 01, 1989 | Type of document: | Download: Electronic Version

The 1987 Bay Agreement is analogous to the proverbial pebble cast into a pond:  the ripples move endlessly outward, their effects felt in an ever-widening circle.  This Second Progress Report attemtpts to track at least some of those…

A Commitment Renewed_Restoration Progress and the Course Ahead under the 1987 Bay Agreement

Publication date: June 01, 1988 | Type of document: | Download: Electronic Version

In preparing this report, the Chesapeake Bay Liaison Office conducted an analysis to quantify the effect of BMPs in reducing sediment and nutrient pollutant loads.  Data for the analysis were compiled in part from the Chesapeake Bay…

Recent Wetland Status and Trends in the Chesapeake Watershed (1982 to 1989)_Technical Report

Publication date: May 01, 1994 | Type of document: | Download: Electronic Version

Chesapeake Bay is the Nation's largest estuary and perhaps the best studied and arguably the most politically visible one.  It is noted for its productive fisheries and shellfisheries (e.g., blue crabs and oysters), water-borne commerc,…

Chesapeake Bay Basin Monitoring Program Atlas-Valume II 1989

Publication date: August 01, 1989 | Type of document:

The Maryland Shellfish Sanitation Monitoring Program, comprised of a network of 800 sampling stations within the Chesapeake Bay basin, monitors the bacteriological quality of all of Maryland's shellfish harvesting waters on a monthly…

Second Annual Progress Report nunder the Chesapeake Bay Agreement 1987

Publication date: February 01, 1987 | Type of document: | Download: Electronic Version

This section summarizes the Second Annual of the Monitoring Subcommittee, "The State of the Bay," to be published early in 1987.n  The report covers the period from June 1984 through September 1985 which includes two summers and the…

Chesapeake Bay Basinwide Toxics Reduction Strategy Reevaluation Report 1994

Publication date: September 01, 1994 | Type of document: | Download: Electronic Version

The strategy reevaluation found no evidence of sever chemical contamination impact that are baywide like other problems, such as excess nutrients which has caused declines in underwater grasses and low dissoslved oxygen levels.  The…

Chesapeake Bay Atmospheric Deposition Study Phase I_July 1990_June 1991

Publication date: March 01, 1994 | Type of document: | Download: Electronic Version

The purpose of this study ws to determine atmospheric loadings of selected trace elements and organic compounds directly into the Chesapeake Bay.  This work represents the first year of the Chesapeake Bay Atmospheric Deposition Study. …

Baywide Nutrient Reduction Strategy Progress Report 1989

Publication date: December 01, 1989 | Type of document: | Download: Electronic Version

To better quantify NPS loads and the effect of all loads on the Bay, the Chesapeake Bay Program, beginning with the research phase in 1978, has placed high priority on the development of drainage basin and tidal mainstem models of the…

Baywide Conventional Pollutants Control Strategy

Publication date: July 01, 1988 | Type of document: | Download: Electronic Version

This document outlines the conventional pollutant control programs related to point sources for each jurisdiction, under the common topic headings of NPDES Permit Program, Water Quality Standatds, Enforcement, National Municipal Policy,…

1994 Chesapeake Bay Basinwide Toxics Reduction and Prevention Strategy 1998

Publication date: January 01, 1988 | Type of document: | Download: Electronic Version

The 1994 Chesapeake Bay Basinwide Toxics and Reduction Strategy is in its third year of implementation.  The Toxics Subcommittee is making significant progress in fulfilling the 33 toxics strategy commitments and the overall strategy. …

The State of the Chesapeake Bay 1999

Publication date: October 01, 1999 | Type of document: | Download: Electronic Version

This report highlights water quality conditions and the status of creatures that call the Bay home.  The first question we answer is how are our most important species doing?  We also explain the progress we're making to reduce the top…

Critical Issues Forum_Achieveing a Toxics Free Bay_The Role of Nonpoint Sources1999

Publication date: August 01, 1999 | Type of document: | Download: Electronic Version

The major focus of the Nonpoint Source Forum was to explore how the Chesapeake Bay Program partnership can further reduce chemical cotaminant loads from urban, suburban, and agricultural areas to achieve a "toxics free Bay". …

Chesapeake Bay_A Framework for Action 1983

Publication date: September 01, 1983 | Type of document: | Download: Electronic Version

The Chesapeake Bay, the nation's largest and most productive estuarine system is experiencing significant stress from pollution.  In 1976, Congress directed the Environmental Protection Agency (EPA) to undertake a comprehensive study of…

Chesaapeake Bay Program Nutrient Reduction Strategy Reevaluation Report 8

Publication date: February 01, 1993 | Type of document: | Download: Electronic Version

This report is one of a series of reports prepared for the Chesapeake Bay Program Reevaluation of the Nutrient Reduction Strategy.  This report provides information on the financial cost effectiveness and nutrient removal effectiveness…

Year Two Report_A Pilot Study for Ambient Toxicity Testing in Chesapeake Bay

Publication date: November 01, 1992 | Type of document: | Download: Electronic Version

this pilot study was designed to evaluate ambient toxicity in the Chesapeake Bay watershed by using a battery of water column, sediment and suborganismal tests.  A team of scientists from three Chesapeake Bay research laboratories…

Chesapeake Bay Groundwater Toxics Loading Workshop Proceedings

Publication date: July 01, 1993 | Type of document: | Download: Electronic Version

The workshop discussed how groundwater delivers more than one-half of the freshwater that enters Chesapeake Bay.  This large volume of freshwater is transported to the Bay as base flow an as direct discharge or upwelling.  Base flow…

Nutrient Trading in the Chesapeake Bay Watershed 2001

Publication date: September 26, 2000 | Type of document: | Download: Electronic Version

The public meetings provided an opportunity for public review and comment on the Draft Nutrient Trading Guidance Document.  The document was written by the Nutrient Trading Negotiation Team, a group composed of a wide array of…

Maintaining Progress in Restoring the Chesapeake Bay Holding the Line on Nutrient Pollution April 2000

Publication date: January 01, 2000 | Type of document: | Download: Electronic Version

The 1987 Chesapeake Bay Agreement, signed by the Commonwealth of Pennsylvania, The State of Maryland, the Commonwealth of Virginia, the Environmental Protection Agency and the Chesapeake Bay Commission (the Executive Council),…

Chesapeake Bay Pprogram Nutrient Trading Fundamental Principles and Guidelines

Publication date: March 01, 2001 | Type of document: | Download: Electronic Version

this document presents fundamental principles and guidelines for nutrient trading in the Chesapeake Bay watershed.  The Chesapeake Bay Program convened the Nutrient Trading Negotiation Team (Negotiation Team) in June 1999 for the…

Chesapeake Bay mainstem Monitoring Program Statistical and Analytical Support Contract_Final Report_Volume 1

Publication date: September 01, 1987 | Type of document: | Download: Electronic Version

The primary focus of this contract was the development of a statistical analysis framework for the detection of trends in Chesapeake Bay water quality attributable to pollution-control managementactions.  In Chapter II, a procedure for…

Chesapeake Bay Health & Restoration_2008

Publication date: March 01, 2008 | Type of document: | Download: Electronic Version

A healthy Bay requires balancing the needs of the region's people and economy with the needs of the Bay for clean waters and ample habitat for aquatic life.  The goal of Bay restoration is to restore this balance by reducing pollution,…

The State of the Chesapeake Bay-Third Biennial Monitoring Report-1989

Publication date: January 01, 1989 | Type of document: | Download: Electronic Version

As more and more  people inhabited theBay region, they cut the forests and fished the waters more intently.  Large ships began to ply the waterways, homes crowded along her shores and the Bay became a receptable for the wastes of our…

Chesapeake Bay Commission Special Report-Congressional Agenda 2008-2010

Publication date: February 01, 2008 | Type of document: | Download: Electronic Version

For nearly three decades, the Chesapeake Bay commission has been a leader in Bay restoration efforts.  Confronting the broad range of issues that reflect countless pollution sources, land uses and human impats on the nation's largest…

The State of the Chesapeake Bay_1999

Publication date: October 01, 1999 | Type of document: | Download: Electronic Version

The 1995 Local Government Partnership Initiative engages the watershed's 1,650 local governments in the Bay restoration effort.  The Executive Council followed this in 1996 by adopting the Local Government Participation Action Plan and…

The State of the Chesapeake Bay_2002

Publication date: July 01, 2002 | Type of document: | Download: Electronic Version

For nearly 20 years the Bay Program partners have sought to protect and restore this unparalled resource.  The second Chesapeake Bay Agreement, adopted in 1987, established a vision for the Bay's restoration.  Its principal goals…

Cost Analysis for Nonpoint Source Control Strategies in the Chesapeake Basin

Publication date: May 01, 1995 | Type of document: | Download: Electronic Version

A second Bay Agreement was developed and signed by the jurisdictions in 1987.n  The 1987 Chesapeake Bay Agreement had the benefit of several years of experience with implementation of pollutioncontrol measures in the basin and a better…

Managing Nutrients to Prevent Pollution: Conference SSummary and Recommendations for Actions

Publication date: September 01, 1996 | Type of document: | Download: Electronic Version

The document summarizes ideas presented at the regional nutrient management conference "Managing Nutrients to Prevent Pollution" and brings forth recommendation for action.  The two-day conference held on Marych 13-14, 1996 in Solomons,…

Progress Report of the Baywide Nutrient Reduction Reevaluation

Publication date: February 01, 1992 | Type of document: | Download: Electronic Version

In 1987, the parties to the original Chesapeake Bay Agreement of 1983 signed a new Chesapeake Bay Agreement.  The 1987 Chesapeake Bay Areement set specific goal-to achieve at a 40% reduction of nitrogen and phosphorus entering the…

Baywide Nutrient Reduction Strategy Progress Report

Publication date: December 01, 1989 | Type of document: | Download: Electronic Version

In 1988, the Water Quality Task Group developed the Basinwide Nutrient Reduction Strategy.  The straegy.  The strategy describes state point and nonpoint source (NPS) programs designed to meet the agreement goal of reducing nutrient…

The First Biennial Progress Report

Publication date: April 01, 1995 | Type of document: | Download: Electronic Version

This is the first biennial report-as prescribed by the Chesapeake Bay Agreement- on the progress made in implementing the Agreement.  It is presented on an item-by-item basis according to the twenty specific "commitments" subscribed to…

The Second Biennial Progress Report

Publication date: April 01, 1997 | Type of document:

The Chesapeake Bay Program (CBP), established in 1983 by the signing of the Chesapeake Bay Agreement, is approximately 200 miles long and varies in width between five and twenty-five miles.  Its watershed comprises 64,000 square miles…

A Report to Congress on the Patuxent River

Publication date: January 01, 1998 | Type of document:

The Patuxent River is one of eight major tributaries to the Chesapeake Bay.  It begins near the convergence of Carroll, Howard, Frederick and Montgomery counties, and is bordered byPrince George's, Anne Arundel, Calvert and St. Mary's…

Market Based Strategies & Nutrient Trading: What you need to know

Publication date: January 01, 1995 | Type of document: | Download: Electronic Version

A central water qulity management problem in the Chesapeake Bay Watershed and its tributaries is nutrient enrichment by nitrogen and phosphorous loads from point and nonpoint sources.  The recent evaluation of the nutrient issue in the…

Chesapeake Bay_2006 Health & Restoration Assessment_Part Two

Publication date: April 01, 2007 | Type of document: | Download: Electronic Version

This report, Part Two, Restoratioon Efforts uses 20indciators grouped into the five priority areas described in the landmark Chesapeake 2000 agreement that represent major elements of the Bay restoration effort.  Quantitative goals have…

Reducing Pollution from Nonpoint Sources: The Chesapeake Experience

Publication date: November 01, 1990 | Type of document:

Reducing pollution from nonpoint sources has been one of the most difficult cj=hallenges in the Chesapeake Bay restoration effort.  The states and the federal government have joined in mounting a comprehensive effort to define, quantify…

Nutrient Reduction Technology Cost Estimates for Point Sources in the Chesapeake Bay Watershed

Publication date: November 01, 2002 | Type of document:

the purpose nof this report is to provide costs estimates for treatment technologies associated with varying concentration levels of nitrogen and phosphorus removal from inductrial and municipal wastewater plants in the Chesapeake Bay…

Nutrient Trading In the Chesapeake Bay Watershed-Public Comments Summary

Publication date: January 01, 2001 | Type of document: | Download: Electronic Version

This document is a collective summary of the documents (both during the public meetings as well as those written) received by all jurisdictions.  The process undertaken to prodice this summary included the following steps:  1) Each…

Nutrient-Dissolved Oxygen Dynamics in Chesapeake Bay

Publication date: August 01, 1987 | Type of document: | Download: Electronic Version

This study was funded by grants X-003311-01-0 and X-003310-02-0 from the U.S. Environmental Protection Agency and the National Oceanographic and Atmospheric Administration through the University of Maryland Sea Grant College.  The…

Nutrient Trading to Maintain the Nutrient Cap in the Chesapeake Bay Watershed

Publication date: December 14, 1998 | Type of document: | Download: Electronic Version

this workshop was held om December 14, 1998.  Its purpose, as delineated on the agenda (see Appendix I) was to initiate a process to develop nutrient trading policies and guidelines to achieve and maintain the Nutrient Cap in the…

Baywide Nutrient Reduction Strategy Progress Report

Publication date: December 01, 1989 | Type of document:

In 1988, the Water Quality Task Group developed the Basinwide Nutrient Reduction Strategy.  The strategy describes state point and nonpoint source (NPS) programs designed to meet the agreement goal of reducing nutrient loads entering…

The Restoration of the Anacostia River - The Report to Congress

Publication date: July 01, 2015 | Type of document:

The House and Senate Committies on Appropriations in their approval of the U.S. Environmental Protection Agency (EPA) FY92 Operating Plan directed EPA to conduct a stidu of the Anacostia River.  This study "should include...ana analysis…

Synthesis of Nutrient and Sediment Data for Watersheds Within the Chesapeake Bay Drainage Basin

Publication date: January 01, 1995 | Type of document: | Download: Electronic Version

Nutrient and sediment data collected by Federal and state agencies from 9172 through 1992 at 1,058 surface-water sites in nontidal parts of the Chesapeake Bay Basin were compiled into a large database.  Adequate nutrient, sediment and…

Reducing Pollution from Nonpoint Sources: The Chesapeake Experience-1990

Publication date: November 01, 1990 | Type of document: | Download: Electronic Version

Reducing pollution from nonpoint sources has been one of the most difficult challenges in the Chesapeake Bay restoration effort.  The states and the federal government have joined in mounting a comprehensive effort to defime, quamtify…

Recommended Guidelines for Sampling and Analyses in the Chesapeake Bay Monitoring Program

Publication date: August 01, 1996 | Type of document:

The purpose of this document is to provide field and laboratory methods and associated quality control (QC) procedures and criteria that will result in the generation of data known and documented quality for use in the Chesapeake Bay…

Pollution Prevention Workbook

Publication date: August 01, 2000 | Type of document: | Download: Electronic Version

What is Pollution Prevention (P2)?  One of the best wtays to protect the Bay is to prevent pollution and waste from entering the waterways. Pollution Prevention (P2) is a hierarchy of activities that eliminate or reduce the amount…

Nonpoint Source Pollution Loading Factors and Related Parameters from the Literature

Publication date: September 01, 1990 | Type of document:

Using a modified version of TR-20 (SCS computer program), McTernan et al (1987) conducted a study to evaluate the effectiveness of various BMPs upon the production of nonpoint source pollutants from small agricultural watersheds in…

Chesapeake Bay Basin Toxics Loading and Release Inventory

Publication date: May 01, 1999 | Type of document:

This Toxics Loading and Release Inventory is one of many tools the Chesapeake Bay Program is using to  set more targeted source reduction and pollution prevention goals to reduce and eliminate toxic impacts in the Bay.  The overall goal…

Biological Nitrogen and Phosphorus Removal in Oxidation Ditch and High Nitrate Recycle Systems

Publication date: August 01, 1990 | Type of document:

Full scale process modifications were conducted in an oxidaation ditch system to understand the kinetics of biological nitrogen and phosphorus removal in activated sludge systems which may use high nitrate or internal recycles.  Design…

Chesapeake Bay Program: Findings and Recommendations

Publication date: September 01, 1983 | Type of document:

this report provides an overview of the major research findings and range of pollution controls recommended by the Environmental Protection Agency's Chesapeake Bay Program (CBP), in accordance with P.L. 94-116 passed by the 94th…

Letter from Chesapeake Bay Leadership to Congress to Reduce Polluted Runoff from Federal Highways

Publication date: May 27, 2009 | Type of document: Policy Memorandum | Download: Electronic Version

Letter from Chesapeake Bay Leadership to Congress to Reduce Polluted Runoff from Federal Highways

River Flow, Long-term Trends and Stream Health In the Chesapeake Bay Watershed

Publication date: May 09, 2011 | Type of document: Backgrounder | Download: Electronic Version

Backgrounder: River Flow, Long-term Trends and Stream Health In the Chesapeake Bay Watershed



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