Total Water Management
The first step to total water management is accomplished by admitting that there is a limited water resource that must…
A New Approach to Wet Well Design: Better! Cleaner! Cost Less!
Modeling studies at hydraulics laboratories at Montana State University and ENSR Consulting and Engineering have confirmed the validity of an…
Criteria and Methods for Evaluating Distribution System Mains
Contrary to accepted practice, the deliberate rehabilitation and replacement of distribution system infrastructure is key to continued service, water quality,…
Implementation of a Multi-Jurisdictional Water Reclamation Program
The Palo Alto Regional Water Quality Control Plant provides wastewater treatment and disposal services for the Cities of Palo Alto,…
Monitoring Well Siting: Crucial Decisions
Determination of the location (siting) of monitoring wells is an important consideration for any ground water evaluation because the locations…
Stationary-Source VOCs and NOx Emissions and Controls
Promulgated in 1990, the Taiwan ambient air quality standards are similar to the U.S. National Ambient Air Quality Standard (NAAQS)….
Impact of Title I at Petroleum Refineries and Petrochemical Plants in Ozone Nonattainment Areas; A Case History of the San Francisco Bay Area
On June 21, 1994, the Bay Area Air Quality Management District (BAAQMD) officially reached attainment of the National Ambient Air…
Upgrading Refinery Wastewater Treatment Systems with Above-Ground Oil/Water Separation Tanks Three Case Histories
Experience has shown that effective oil/water/solids separation and wasteload equalization are essential for the successful operation of refinery biological wastewater…
Responding to Water Quality Criteria-Based Limits in your NPDES Permit
The federal Clean Water Act requires industrial plants to obtain National Pollutant Discharge Elimination System (NPDES) permits for discharging wastewater….
Well Rehabilitation: A Proven Alternative for Nitrate Control
Concentration levels of nitrate in ground water pumped from public supply wells are a matter of concern for municipalities and…
Water Reclamation and Reuse in Hawaii: Issues and Answers
The concept of reclaiming and reusing wastewater for specific purpose (e.g., irrigation) is one which has been practiced to some…
Designing to Improve Grit Removal
A 1987 construction project to expand grit removal facilities at San Diego’s Point Loma Wastewater Treatment Plant improved grit removal…