Workshop 123 – Diagnosing Activated Sludge Process
The causes of high effluent suspended solids (ESS) from secondary clarifiers are often incorrectly identified resulting in improperly focused remedial…
Workshop 115 – WERF: Evaluating Activated Sludge
The performance of the flocculator clarifier is compared to the performance of the units tested by the CRTC. Key research…
Stormwater Program Funding in California
Public works directors throughout the country are seeing their stormwater discharge permits renewed on a five-year cycle. Recently, directors throughout…
Primary Effluent Disinfection – Necessary Procedures in UV System Design for Low Water Quality Applications
Treated wastewaters to be disinfected with ultraviolet (UV) radiation can be divided into three water quality groups: 1) high ultraviolet…
Assessment and Optimization of a Chemically Enhanced Primary Treatment System
The Orange County Sanitation District (District) employs chemically enhanced primary treatment (CEPT) at its Water Reclamation Plant No. 1 located…
Achieving a Return on Your Training Investment
Public agencies participate in a wide range of training activities. The cost of training is usually only measured in terms…
Operational Implications of a Split Anoxic/Aerobic Process
Many wastewater treatment plants are being retrofitted to meet more stringent effluent requirements. One of the process tools being implemented…
Solutions for Utilities Infrastructure; Water, Sewer Headaches Abound
Conventional wisdom these days is that the country’s water and sewer systems are falling apart faster than they can be…
CSO Floatables Abatement: How Onondaga County is Screening, Booming and Banging Its Way to Floatables Control
The City of Syracuse has approximately 164,000 people and is located in Onondaga County, New York. Approximately 40 percent of…
Water Demand Management Within the Integrated Resource Planning Process
This paper highlights the central concepts surrounding long-term water conservation as incorporated into the integrated resource planning process. The Water…
Benefits of the United States Nationwide Plumbing Efficiency Standards
In 2000, the American Water Works Association (AWWA) and California Urban Water Conservation Council partnered to study the merits of…
Startup Experience Of The San Diego Metro Biosolids Center Centrifuge Thickening Process
The City of San Diego recently completed the first three years of operation of its new Metro Biosolids Center (MBC)…