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Elizabeth Hirschhorn Joins PAX Water Technologies to Helm New Engineering Branch

Former Whitley Burchett & Assoc. president brings 29 years in water infrastructure expertise

RICHMOND, Calif. – January 29, 2013 – PAX Water Technologies, the leader in advanced water quality technologies for distribution systems, today announced the appointment of Elizabeth A. Hirschhorn, P.E. as director of professional engineering. Hirschhorn, a registered civil engineer with 29 years of water industry expertise, will lead PAX Water Solutions—a new engineering arm of PAX Water Technologies that specializes in solving potable water quality issues.

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Cold-Weather Cure

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Water & Wastes Digest | August 2012

Each winter, water operators in northern climates face a range of challenges due to cold weather, including main breaks and equipment outages. While these emergencies come without warning, they are obvious and visible when they do occur. But in other parts of the water distribution system, cold weather can create a risk that is hidden from view: ice accumulation inside water storage tanks. Often, when operators realize they have a problem with ice in their tanks, it is too late—the tank’s interior is damaged or the wall is punctured.

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In-Tank THM Removal System Eliminates THMs For Rural Consecutive System

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Tarheel Pipeline| Spring 2012

Stanly County, in central North Carolina, is typical of many smaller rural water utilities in the U.S. Due to excess capacity in the city water system that supplies the surrounding county, Stanly County receives finished water that is often at or above the Maximum Contaminant Level (MCL) for Total Trihalomethanes (TTHMs). Without a treatment plant of its own, Stanly County is limited to few options for bringing their water
into compliance.

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PAX Water Technologies Introduces New Trihalomethane Removal Product at ACE ‘12

In-tank aeration reduces disinfection byproducts to help utilities achieve Stage 2 Compliance

RICHMOND, Calif. – June 6, 2012 – PAX Water Technologies, the leading provider of water quality tools for storage tanks, will unveil the Trihalomethane Removal System (TRS) at the AWWA Annual Conference and Exposition (ACE ‘12) in Dallas, Texas. Designed in partnership with Utility Service Company, Inc., the largest tank asset management company in the United States, TRS is a custom-designed aeration system for storage tanks that removes trihalomethanes from drinking water to help utilities comply with the EPA’s Stage 2 Disinfectants/Disinfection Byproducts Rule. The product will be featured at the ACE ‘12 New Product Technology Showcase.

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Power Makes the Difference in Active Mixing

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WaterWorld | May/June '12 Issue

Mixing in potable water storage tanks is increasingly recognized as an important factor in improving water quality and protecting tank assets. Thorough mixing eliminates thermal stratification and ensures uniform conditions in tanks, which has been shown to lower overall disinfectant residual demand and reduce the risk of nitrification. Additionally, mixing can protect and preserve tank assets by preventing the formation of ice (which can scrape tank coatings or puncture tanks), and lower summertime headspace temperatures (which reduces corrosion rates).

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In-Tank Aeration Predicts and Reduces THMs

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Opflow | November 2011

The Stage 2 Disinfectants/Disinfection Byproducts Rule is presenting tough choice for many water system managers. While some operators have used aeration to reduce Trihalomethanes in storage tanks in the past, it has produced encouraging but inconsistent findings. Now, a Texas utility is using an in-tank sprayer system with good results.

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Tame Nitrification with Active Mixing

Tame Nitrification

Opflow | April 2011

For most U.S. distribution systems using chloramination, nitrification is a leading water quality concern. However, by combining active mixing with regular tank maintenance and efficient operation, nitrification can be tamed in even the most challenging climates.

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Fire and Ice

Fire and Ice

Opflow | July 2010

A Maine utility uses active mixing to cope with storage tank stratification caused by widely varying seasonal temperatures. Using a PAX Water Mixer, the utility was able to solve residual loss in the hot summer months and prevent ice damage in cold winter months.

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Mix It Up

Mix It Up Improved

PublicWorks | Spring 2008

Jason Oppenheimer of PAX Water explores how active mixing can be used as a cost-effective and sustainable tool to manage water quality in reservoirs - reducing the amount of chlorine based disinfectants needed while maintaining the highest quality and consistency of water delivered.

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Mix It Up And Go Green

Opflow Jan 2012

Opflow | Jan 2010

Jason Oppenheimer and Peter S. Fiske of PAX Water discuss how active mixing in water storage tanks prevents water quality deterioration from spreading to the distribution system, eliminates the need for flushing and enhances operational efficiency by preventing thermal stratification and ensuring uniform distribution of disinfectants.

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