Conceptual Model for Performance-Based Management of Regional Water Systems
The national shift in emphasis from top-down development plan orientation in water resources, wherein the federal government assumed the dominant role, to the shared partnership approach...
Implementing Sacramento's NPDES Stormwater Permit
Between 1987 and 1990, EPA established the National Pollutant Discharge Elimination System (NPDES) permit application requirements and deadlines for stormwater discharges. During this...
49th Street Bridge: A Study in Environmental Planning
The State of Florida, with its substantial environmental legislation, rigorous permitting requirements, and growing public awareness, poses a major challenge for the water resources engineer....
Urban Hydrologic Modelling: HEC's Experience
Urban hydrologic modelling began at the Hydrologic Engineering Center (HEC) with the first versions of the HEC-1 Flood Hydrograph Package. The early applications were for large, primarily...
Hydrologic Modeling for Decision-Makers
All Properties within a community benefit from having an adequate system of storm drainage facilities and controls. Such benefits include: reduction of hazards to property and life resulting...
The Hydrology of Urban Runoff Quality Management
Recent regulatory requirements to reduce pollutant discharges from municipal storm sewer systems have intensified the need for approaches to developing design parameters, such as the selection...
Evaluation of the Feasibility to Retrofit Stormwater Control Facilities to Improve Pollutant Removal Performance
This paper presents the results of an analysis that was performed to predict the efficiency of removal for suspended sediments in storm runoff under existing conditions and under several...
Statistical Analysis of Ground Water Quality Data
The Resource Conservation and Recovery Act (RCRA) requires owners and operators of hazardous waste facilities to utilize design features and control measures that prevent the release of...
The Managemet of Storm Water Runoff Associated with Industrial Activity
Section 405 of the Water Quality Act of 1987 mandates that municipal and industrial storm water discharges are point sources of water pollution and are subject to regulation under the...
Stormwater Quality Issues for Jefferson Parish
Jefferson Parish has a unique set obstacles to overcome in the operation of the drainage system. Situated in a coastal area and surrounded by water, the area has been developed through...
Evaluation of Stormwater and CSO Impact on Portland's Columbia Slough
A team of consultants studied the impacts of stormwater and combined sewer overflows on an urban drainageway to determine if increased beneficial stream uses were attainable. Planning-level...
Numerical Modeling of Air Bubble Transport in Spillway Flow Downstream from Aerator
A simple numerical model for simulation of air bubble transport in the flow downstream from an aerator is constructed and compared with laboratory experiments. The model consists of two...
Use of Bar Code Technology to Simplify Sieve Analysis Data Acquisition
A system has been developed at the U.S. Army Corps of Engineers Ohio River Division Geotechnical Engineering Laboratory using bar codes and a computer coupled balance to aid in data collection...
CZMA Consistency Opinions: An Undiscovered Body of Law
The Coastal Zone Management Act allows states to block the issuance of Federal licenses and permits if the permitted activity would be inconsistent with the state's Federally...
Citizen Participation in Regional Planning Efforts
During the past 4 decades the formal role of citizens has become increasingly more apparent under changing legislative mandates. This paper examines citizen participation in developing...
Increased Attention to Ocean and Coastal Protection Legislation in the 101st Congress
For all the grumbling about the ineffectiveness of Congress, the 101st Congress produced a surprising number of critical pieces of coastal- and ocean-related legislation, and began the...
Borderline Estuaries and Interstate Management Programs
Estuaries bordered by more than one state authority often suffer from contrasting and/or conflicting management practices along the shores of a continuous body of water. Management strategies...
Pollution Control Strategies of the Puget Sound Water Quality Management Plan: Puget Sound Water Quality Authority
In 1988 EPA designated Puget Sound as an estuary of national significance under section 320 of the Clean Water Act. Due to its natural beauty, favorable climate, and economic health, the...
Surface Water Improvement and Management (SWIM) Planning at the South Florida Water Management District
During the past century, environmental values of Florida's wetlands, lakes and estuaries have been severly impacted by human activities. By 1987, the Florida legislature was...
A Four-Point Strategy for Improving Coastal Water Quality
Pollution from point- and non-point sources has altered the basic chemical and physical composition of near-shore waters. At the same time we are bombarding bays and estuaries with a steady...
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