SCRAPS: AN EXPERT SYSTEM FOR PRIORITIZING SEWER INSPECTIONS
The 2005 ASCE Infrastructure Report Card recently graded the condition of sewer infrastructure in the United States as a D-….
WHO SAYS YOU CAN*T PUSH HDPE? – CRESCENT CITY WATER POLLUTION CONTROL FACILITIES OUTFALL PROJECT
The City of Crescent City currently discharges treated effluent to the Pacific Ocean on the south side of Lighthouse Island,…
Improved Anaerobic Digestion Feed Systems and Concepts
The feeding systems for anaerobic digestion facilities at wastewater plants in North America have been and continue to be modified…
A BIOENERGY SUCCESS STORY * DUAL FUEL CONVERSION OF THE POINT LOMA STANDBY GENERATOR HELPS EASE CALIFORNIA ENERGY CRISIS
Following the energy crisis that hit California in 2000, the City of San Diego did its part in contributing to…
SOLUTIONS FOR TODAY MEET FUTURE NEEDS * STATE-OF-THE-ART SOLIDS THICKENING AT THE 91ST AVENUE WASTEWATER TREAMENT PLANT
Staying ahead of the solids treatment curve has been a continual challenge at the 91st Avenue Wastewater Treatment Plant (91st…
Have Your Cake and Pump It Too: Lessons learned from the San Diego Metro Biosolids Center Cake Pumping Operations
The City of San Diego started operation of its new 175 dry ton per day biosolids processing facility, The Metro…
Early 2004: The State of the Practice of Class A Anaerobic Digestion.
Since the 40 CFR, Part 503 regulations were promulgated in 1993, utilities and engineers have considered thermophilic anaerobic digestion configurations…
Santa Rosa Fine Tunes Its Flexible Biosolids Program
Beginning in 1992, Santa Rosa, California has developed a uniquely flexible biosolids disposal/reuse program consisting of a combination of reuse…
THE QUEST FOR THE HOLY GRAIL OF BIOSOLIDS ACCEPTANCE
Biosolids – for the public, the word often conjures up images of medical waste, rancid fields, or unpleasant odors. Gaining…
Columbus Biosolids Flow-through Termophilic Treatment (BFT) as a Cost Effective Means to Achieve Class A Digestion.
Like many utilities across the country, the Columbus Water Works (CWW-Columbus, Georgia) has found access to previously available lands for…
Managing the Message: When Bad Press Happens to Good Agencies
Presentation: Managing the Message – When Bad Press Happens to Good Agencies.
Workshop W210: Guidelines for Use of Activated Sludge Models in Practice — What's wrong with the IWA and General Activated Sludge Models
What's wrong with the IWA and General Activated Sludge Models (workshop, PowerPoint)