Case Study Application of Determining End of Asset Physical Life Using Survival Analysis: Cincinnati and Milwaukee
Utilities are about investment; the most significant management cycle is the annual operational and capital budget cycle. Budgets can be thought of as the financial...
Compendium of Sensors and Monitors and Their Use in the Global Water Industry
Online monitoring of water quality is an powerful enabler in the water industry. It is a crucial component in the pro-active management of processes and assets, and helps improve performance and...
Guidance Document on Anaerobic Digester Foaming Prevention and Control Methods
The development of this WERF anaerobic digester (AD) foaming guidance document is based on the need for a specific detailed methodology that water reclamation and recovery facilities (WRRF)...
Mass Transfer Characteristics of Floating Media in MBBR and IFAS Fixed-Film Systems
The goals of this project were to establish a standard protocol for measuring mass transfer rates in biofilm media, and to use the resulting data to develop and calibrate an empirical model. Two...
Identification of Barriers to Energy Efficiency and Solutions to Promote These Practices
Successful deployment of energy efficiency initiatives may be increased by recognizing barriers and advancing strategies that overcome them. A national survey recently collected input on barriers...
Research Digest: Decision Analysis/Implementation Guidance Asset Management Tools Development, Phase 3
In 2006, at the direction of its members through a series of facilitated national focus groups, WERF launched a multi-year research and development project to...
21st Century Water Asset Accounting: Implications Report
Green infrastructure, the use of soil, vegetation, and other natural landscape features to manage and treat water, is increasing in popularity as an alternative to traditional “grey”...
Solids Role in Tertiary Chemical Phosphorus Removal by Alum
The need to control and remove phosphorus (P) in discharges from wastewater treatment facilities (WWTF) to prevent eutrophication of receiving waters is well known. Regulatory initiatives are...
21st Century Water Asset Accounting: Case Studies Report
U.S. water utilities are grappling with a diverse suite of challenges. Aging water infrastructure, changing weather patterns, rising demand for clean water, higher water treatment costs, and other...
Automatic Vacuum Flushing Technology for Combined Sewer Solids
Available as eBook only
An extensive literature review on existing sewer sediment flushing technologies was conducted. The innovative vacuum flush system recently developed...