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Traditionally, carbonaceous biochemical oxygen demand (CBOD) has been the defining test to determine the efficiency of wastewater treatment.... more

There are a variety of mitigating solutions that can result in a significant decrease in the number and frequency of pipe bursts within a water... more

Remove surface oil, quickly, easily and inexpensively…and generate a profit. In this free white paper, learn how Oil Skimmers' more than 45 years... more

Micropollutant removal is one of the primary environmental and public health threats directly related to water resources. After several years of... more

Over the past decade, utility revenue and manpower has shrunk, requiring municipal water plants to be more judicious in their selection of... more

Handwheel or automated process valve? The worldwide trend is clearly moving towards automation because it reduces energy and water consumption—... more

Many of today’s large urban water treatment plants rely upon sophisticated chlorination processes in order to provide clean, sanitary water to... more

The desire of man to stay healthy, happy and live in a clean environment is as old as Man himself. He may not have known how to achieve it through... more

It can be costly for municipalities when lift station check valves fail and leak sewage back into the wet well from force mains, although it is an... more

Every plant has some sort of system in place for managing calibration operations and data, but the methods for doing this vary greatly in terms of... more

Today’s municipal and industrial water and wastewater treatment processes are today under continuous pressure to provide 24/7 uptime, an excellent... more

The Clean Energy Guide offers engineers, scientists, plant managers, and designers an up-close look at how Sierra is partnering with customers... more

In today’s complex and frequently rugged process plant environments, liquid pumps are often overworked and underprotected from adverse operating... more

In the current economic climate, with tight municipal water treatment budgets, the cost of maintaining chlorine analyzers that operate accurately... more

Filter backwashing is a critical part of the drinking water production process. During backwashing, water flow is reversed and increased in order... more

In water and waste plants, regular calibration of instrumentation is common practice. In plant areas where instrument accuracy is critical to... more

There are many benefits in using Ultraviolet (UV) light instead of—or to augment—chlorine disinfection in many drinking water facilities. This... more

This case study analyzed phosphorus (P) removal from municipal wastewater during the past four summer permit seasons at the Greene County... more

It is costly for municipalities when sanitary sewer overflow (SSO) occurs. SSO can happen in a residential, commercial or institutional building,... more

A fast-growing city in the arid desert regions of the Western U.S. recently addressed the need to expand its municipal service for new residents... more

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