Beginning in 1992, Santa Rosa, California has developed a uniquely flexible biosolids disposal/reuse program consisting of a combination of reuse by land application and by composting/marketing, and landfill disposal. Land…
In the United States, anaerobic and aerobic digestion are two of the most commonly used practices for treatment of sludge to produce biosolids for land application. Both processes are specifically…
The District of Columbia Water and Sewer Authority (DC WASA) is implementing a $300+ million digestion project using traditional design-bid-build (DBB) for two component projects, design-build-operate (DBO) for a combined…
A study evaluated the potential for developing a land application program for Class B biosolids produced by the North Davis Sewer District in Syracuse, Utah. Maintaining the biosolids in Class…
Increasing numbers of municipalities are incorporating sustainability goals into project decision making and planning criteria. The primary criteria influencing solids processing and biosolids utilization program decisions include capital and operations…
The City of St. Petersburg, FL (City) produces an average of 41,000 wet tons per year (WTpY) of Class-B biosolids and 40,000 WTpY of yard waste. The City operates four…
Faced with a unique challenge of supporting economic development, balancing water resource issues, changing environmental permit regulations, and reversing aquifer degradation, the City of Quincy collaborated with local industries (data…
The Clark County Department of Public Works (County) in Vancouver, Washington, evaluated alternatives for supplementing or upgrading an existing Class B biosolids land application program at the Salmon Creek Treatment…
Beginning in 1992, Santa Rosa, California has developed a uniquely flexible biosolids disposal/reuse program consisting of a combination of reuse by land application and by composting/marketing, and landfill disposal. Land…
In 2002 the land treatment design manual was revised by Brown and Caldwell. The updates on technology prepared for the EPA in 1999 were incorporated including phytoremediation, vadose zone monitoring,…
The City of Toronto’s Ashbridges Bay Treatment Plant (ABTP) currently treats an average of 180 mgd and produces around 55,000 dry tons per year of digested sludge cake at about…
The Sacramento Regional County Sanitation District (California) and Brown and Caldwell have developed a unique land treatment system for final disposition of the District’s lagooned biosolids. The system has been…