NEW TECHNOLOGY FOR A NEW PLANT:
King County is designing a new wastewater treatment plant, known as Brightwater. Phase I of this project includes a 36-mgd…
INTEGRATED CORRECTIVE MEASURES
At a complex manufacturing site in the Southeast, being addressed under the RCRA corrective action program, 9 solid waste management…
Using LEED™ for Municipal Infrastructure Reality vs. Hype
Many municipalities, private agencies, and federal agencies are adopting goals to require that all new construction shall seek Leadership in…
IMPACT OF COVERING AERATION BASINS ON ACTIVATED SLUDGE SYSTEM PERFORMANCE WHILE COMPLYING WITH MON AND HON REQUIREMENTS
National Emissions Standards for Hazardous Air Pollutants (NESHAP) for miscellaneous organics (MON) and for hazardous organics (HON) (40 CFR Part…
IMPACT OF OPERATIONAL PARAMETERS ON THE REMOVAL OF PARTICULATE COD IN THE ACTIVATED SLUDGE PROCESS
The removal of particulate material in the aeration basin of the activated sludge process is mainly attributed to bioflocculation and…
CUSTOMER SERVICE OPTIMIZATION AND BENCHMARKING
To understand the true value of Customer Service in Water and Wastewater utilities, it’s important to keep in mind that…
STATE-OF-PRACTICE OF DAFT TECHNOLOGY *
Thickening sludges by dissolved-air flotation thickeners (DAFT) is well established and has been around for many years. Some wastewater treatment…
A Small Community's Approach To Planning A Major Project
As wastewater discharge permits become more stringent and equipment and processes at wastewater treatment plants become antiquated, small communities face…
RESPONSIVE DESIGN ACHIEVES WATER QUALITY THRESHOLDS
Ely is a city of approximately 4,000 people, and is located in northeastern Minnesota. It is also recognized as the…
PRIMARY CLARIFIER DESIGN CONCEPTS AND CONSIDERATIONS
Because the process objective is more appropriately focused on the clarified liquid rather than the thickened underflow, the unit operation…
UNSATURATED ZONE MONITORING RESULTS THROUGH THE SECOND YEAR OF RECLAIMED WATER IRRIGATION AT THE HONOLULU BOARD OF WATER SUPPLY FIELD DEMONSTRATION PROJECT
A field research project was initiated by the Honolulu Board of Water Supply to demonstrate the safety, efficacy, and value…
NORTHWEST WATER RECYCLING PROGRAM DELIVERS SUSTAINABLE WASTEWATER MANAGEMENT
The LOTT (Cities of Lacey, Olympia and Tumwater, and Thurston County) Wastewater Alliance (LOTT) is a regional wastewater utility located…