Marginal Costs Pricing

Marginal costs pricing is a concept radically different from other concepts used for pricing utility services; and if applied in…

Connection Charges: One Way to Finance System Expansion

Identified and discussed here are a number of methods of financing water utility capital expansion. Emphasis is placed on connection…

What is cryogenic oxygen generation and what is its future in municipal wastewater treatment?

Worldwide attention has been focused by recent events in parts of Africa and Asia on the problem of shortages and…

This study investigated the occurrence of slime material in the Sacramento River downstream of the Sacramento City Main Treatment Plant….

This paper briefly summarizes work undertaken on a pilot plant study of the biofiltration process for the City of Tucson…

Approximately 100 models of water and waste movements in tidal bays and estuaries have been reviewed and their predictive capability…

Design recommendations are presented for the application of automatic dissolved oxygen (DO) control systems to the activated sludge processes. The…

Sludge disposal is a major consideration in the planning and design of new wastewater treatment plants and in the expansion…

A multiple-aquifer system in the bayfront area of Palo Alto, California is being intruded with seawater from San Francisco Bay….

In response to the increasingly acute financial problems presented to small communities and rural residential areas in the past five…

This paper consists of a review of the physical layout, construction features and construction materials of the equipment used for…