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A Guidance Manual for Meeting the National Stormwater Bmp Database Requirements

By Environmental Protection Agency

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Book Id: WPLBN0000011589
Format Type: PDF eBook
File Size: 1.5 MB
Reproduction Date: 2007

Title: A Guidance Manual for Meeting the National Stormwater Bmp Database Requirements  
Author: Environmental Protection Agency
Volume:
Language: English
Subject: Ecology, Natural resource issues, Environemtal protection
Collections: Environmental Awareness Library Collection
Historic
Publication Date:
Publisher: United States Environmental Protection Agency

Citation

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Agency, E. P. (n.d.). A Guidance Manual for Meeting the National Stormwater Bmp Database Requirements. Retrieved from http://www.nationalpubliclibrary.com/


Description
Excerpt: The authors, Eric Strecker, P.E. of GeoSyntec Consultants, Ben Urbonas, P.E. Urban Drainage and Flood Control District, Denver, Marcus Quigley, P.E., Jim Howell, and Todd Hesse of GeoSyntec Consultants would like to thank Jesse Pritts, P.E. and Eric Strassler of the Environmental Protection Agency and Tom McLane and Lorena Diaz of the American Society of Civil Engineers (ASCE) for their support for and participation in the ASCE/EPA National Stormwater Best Management Practices Database Project and the development of this guidance. The authors would also like to thank the following members of ASCE’s Urban Water Resources Research Council for their thorough review and contributions to this guidance: Robert Pitt, P.E., Ph.D. (University of Alabama, Birmingham) Eugene Driscoll, P.E. Roger Bannerman, P.E. (Wisconsin Department of Natural Resources) Shaw Yu, P.E., Ph.D. (University of Virginia) Betty Rushton (Southwest Florida Water Management District) Richard Field (EPA), P.E. Jonathan Jones, P.E. (Wright Water Engineers) Jane Clary (Wright Water Engineers) Tom Langan (Wright Water Engineers) Sections of this manual were developed by the authors concurrently with the Federal Highway Administration’s (FHWA) “Guidance Manual For Monitoring Highway Runoff Water Quality.” Although the focus of the FHWA manual is on highway runoff monitoring, much of the information on equipment selection, use, and installation is applicable to best management practice monitoring and thus was adapted for this guidance.

Table of Contents
TABLE OF CONTENTS List of Tables................................................................................................................................ viii List of Figures ................................................................................................................................. x Acknowledgements and Disclaimer................................................................................................ xi 1 INTRODUCTION ........................................................................................................................1 1.1 Scope............................................................................................................................1 1.1.1 State of the Practice ....................................................................................................2 1.1.2 The Need for Guidance...............................................................................................2 1.1.3 National Stormwater Best Management Practices Database ......................................2 1.2 Format and Content of This Document ........................................................................2 2 BMP MONITORING OVERVIEW.............................................................................................4 2.1 Context of BMP Monitoring in the Regulatory Environment ......................................4 2.2 BMP Monitoring Goals.................................................................................................5 2.3 Physical and Chemical Characteristics of Stormwater Runoff.....................................7 2.4 Stormwater Quality Monitoring Challenges.................................................................8 2.5 Complexities Specific to BMP Monitoring ..................................................................9 2.5.1 Considerations for Evaluating BMP Effectiveness...................................................10 Load Versus Water Quality Status Monitoring.......................................................10 Consideration of Parameters for Monitoring...........................................................12 2.6 BMP Types and Implications for Calculation of Efficiency ......................................13 2.7 Relationship Between Monitoring Study Objectives and Data Analysis ...................14 2.8 Physical Layout and Its Effect on Efficiency and Its Measure...................................15 2.9 Relevant Period of Impact ..........................................................................................16 2.9.1 Concentrations, Loads, and Event Mean Concentrations .........................................17 2.9.1.1 Concentrations .................................................................................................17 2.9.1.2 Loads................................................................................................................17 2.9.1.3 Event Mean Concentrations.............................................................................18 2.9.2 Measures of BMP Efficiency....................................................................................18 2.9.2.1 Historical Approaches......................................................................................21 Efficiency Ratio.......................................................................................................21 Definition........................................................................................................21 Assumptions ...................................................................................................23 Comments.......................................................................................................23 Example..........................................................................................................24 Summation of Loads .........

 

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