Optimum On-Farm Irrigation Efficiency for Sustainable Agriculture
In irrigated agriculture, on-farm irrigation efficiency and salinity build-up in the crop root zone are interrelated. Sustainability of soil productivity and crop production depends on...
Santa Clara River Fluvial Analysis
The Santa Clara River watershed, located in Los Angeles County, has been subject to rapid increases in population and urban development, resulting in channelization, new bridges, and increased...
Southern San Joaquin Drainage Water Management
This paper addresses management of subsurface saline drainage water in a closed basin in the Southern San Joaquin Valley. A large number of ponds have been constructed to evaporate saline...
Westlake Farms Demonstration Wetlands A Cooperative Effort
This paper describes the process for establishing a wetlands complex to evaluate environmental issues that could not be answered without the operation of a large demonstration project....
Agroforestry as a Method of Salt and Selenium Management on Irrigated Land in the San Joaquin Valley
Since 1985, several San Joaquin Valley growers, with the support of State and federal agencies, have attempted to manage salt and selenium using agroforestry. Numerous studies and research...
Water Quality Improvement Program in Ventura County at Port Hueneme
Integrated resource planning (IRP) has been used successfully by several larger water utilities to resolve complex water supply issues. This paper describes the experience of a smaller...
Habitat Preservation and Enhancement Associated with San Diego Creek Flood Control Channel Improvement
San Diego Creek, an important regional flood control channel in southern Orange County, California, flows 2.4 kilometers through the mixed-use areas of Irvine Center (San Diego Freeway...
Santa Ana River Salt Marsh Restoration: Orange County, California, U.S.A.
As part of the All-River Plan of the Santa Aria River, the 92 acre Santa Ana River Marsh (Marsh) was constructed at the Pacific Ocean outlet in Orange County, California. This project...
Dynamic vs. Quasi-Static Effluent Limits
Selenium water quality objectives are currently being exceeded in the San Joaquin River, California due to agricultural subsurface drainage discharges. The Federal Clean Water Act requires...
Sources and Circulation of Salt in the San Joaquin River Basin
Historical data and a water quality model were used to quantify the sources of salt, boron and selenium in the lower San Joaquin River (SJR) basin, California. Mean monthly data for sources...
A Regional Management Plan to Improve Water Quality in the Grassland Basin
Seven irrigation and drainage districts on the west side of Californias San Joaquin Valley have formed a regional drainage entity to implement programs that will reduce the load of selenium...
Economic Issues Regarding Water Quality Objectives in the Grassland Basin
A conceptual framework is presented for evaluating the potential costs and benefits of water quality objectives in the Grassland Basin. The investments and expenditures required to achieve...
Flexible Water Deliveries: One District's Experience
The Merced Irrigation District (MID) has implemented two significant incentive programs in 1995 to provide surface irrigation water to farmers who have shifted to private wells for irrigation....
Advanced Seawater Desalination Plant
A project that will demonstrate an enhanced seawater desalination process that operates in combination with upgraded existing coastal power plants to meet part of the projected water needs...
Value Engineering Changes to the Eastside Pipeline
Value Engineering is a process of applying analytic, creative and evaluative techniques to a project in order to make recommendations that will, when implemented, maximize value and quality...
The Secondary Inlet of the Eastside Pipeline Project
The subject of this paper is a design feature included in the current capital improvement program of the Metropolitan Water District of Southern California. This feature, the Secondary...
Artificial Recharge Using Inflatable Rubber Dams
Artificial recharge of ground water is a necessity in Orange County, California, where natural recharge is insufficient to satisfy water demands. Orange County is part of a semiarid coastal...
Oil Spills: Prevention, Prediction, and Preparation
This paper summarizes some of the state and federal rules, assessment techniques, and response procedures being used by marine terminals along coastal California to prevent, predict, and...
Risk Analysis of Drinking Water Treatment and Supply Facilities Handling Highly Hazardous Chemicals
Due to increasing public concern of risks from handling highly hazardous chemicals at various facilities, a number of state regulatory agencies, including the State of California, have...
Fluidized Bed Denitrification of Secondary Effluent during Wastewater Reclamation in Southern California
A pilot scale fluidized bed denitrification bioreactor was operated for a period of three years as one unit process in a series designed to repurify secondary effluent for subsequent indirect...
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