Water Supply Impact Analysis of Proposed Water Quality Control Plan for Salinity for San Francisco Bay and Sacramento-San Joaquin Delta Estuary
This paper presents the procedures and techniques employed as part of the Bay-Delta proceedings to evaluate the water supply impacts of various proposed flow and water quality objectives...
Santa Clara Valley Nonpoint Source Program, Santa Clara County, CA
A Water Quality Basin Plan prepared for the region in 1986 by the Regional Water Quality Control Board (RWQCB) promulgated regulations to control inputs of pollutants to South San Francisco...
Basin Management Plan for the Pajaro Valley, Central Coast of California
The Pajaro Valley, a coastal basin located along California's Central Coast, is primarily an agricultural valley with over 90 percent of its water supplied from local groundwater...
The Engineering of Mathematical Models
This paper presents the history of the development of a mathematical estuary hydraulic and an ecology based water quality model, and the problems encountered in transferring use to the...
Wetland Valuation Based Upon Multi-Purpose Performance Evaluation
Wetland protection and restoration have become a top priority in water management. A wide variety of benefits are ascribed to wetland protection, e.g., flood control, water quality improvement,...
Summary of Stormwater Quality Management Practices
The control of water quality in urban runoff is in its technical infancy. Never-the-less Water Quality Act of 1987 states that stormwater pollution must be reduced to the maximum extent...
Water Technology Development and Transfer in Mexico
Mexican Government has developed the National Potable Water Supply and Sanitation Program to meet the country's water supply demands, both in quantity and quality. Two core...
Automatic Control of a Sewage Interceptor
This paper presents a control system for the automatic operation of a sewage intercepter with control gates to reduce sewage discharge to the receiving waters. One of the issues of the...
A 1990's Strategy for Combined Sewer Improvements
On June 22, 1990, the Regional Water Quality Control Board issued the City of Sacramento a Cease and Desist Order. The Order required the City to examine the condition of, and flooding...
Total Quality Management
Total Quality Management (TQM) is an organizational management approach that is receiving increasing attention in a wide variety of organizations, including the Ford Motor Company, General...
What is a Drainage Utility?
A drainage utility is: a financing mechanism, providing a stable and dedicated funding source for surface water quality and quantity control; and a governmental entity whose mission is...
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...
Adaptive Control of Groundwater Hydraulics
Adaptive control has been extensively applied in industrial settings for the control of unknowns systems, systems with uncertainty in the parameters. The approach is recursive, the response...
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