Case Study – Enhancing Animal Enrichment: A Partnership with Roger Williams Park Zoo

At Metro Group, we’re dedicated to delivering reliable building solutions, including safe and clean water treatment services. Our partnership with Roger Williams Park Zoo in Rhode Island is an example of our commitment, as we go beyond standard services to benefit both their animals and the broader community. A Unique Collaboration For several years, Metro […]

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Ensuring Safe Drinking Water in New York Schools: Understanding Subpart 67-4 Revisions

In the pursuit of safeguarding public health, the New York State Department of Health (NYS DOH) has made significant revisions to regulations governing lead testing in school drinking water. These revisions, outlined in Subpart 67-4 (of 10NYCRR), aim to enhance the safety protocols, and ensure that all potable water outlets in all public-school districts and […]

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The Importance of Regular Chiller Maintenance for Maximum Efficiency

In the realm of commercial and residential buildings, maintaining optimal indoor climate control is paramount. A crucial component in achieving this goal is the proper maintenance of building chillers.  Often overlooked, regular chiller maintenance plays a pivotal role in ensuring efficiency, longevity, and comfort.  This blog will look at why regular maintenance is essential and […]

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Safeguarding Water Quality – A Comprehensive Guide to Backflow Prevention Compliance in New York State

Water is a precious resource, and its safety is paramount.  The journey of your drinking water from the city’s mainline into your property is typically a one-way flow, guided by pressure.  However, the potential for fluctuations in pipe pressure poses a risk of water flowing backwards, potentially contaminating the public water supply with hazardous substances. […]

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Proper Closed Loop Water Treatment

Many cooling or heating systems use water in closed piping loops to transfer heat around a building.  These loops are heated, or cooled, directly, or indirectly through a heat exchanger, by boilers, chillers, cooling towers, etc. The quality of the water inside of these closed loops drastically affects the performance and efficiency of your heating […]

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Why Green Chemistry Water Treatment Matters

By John Caloritis Technical Director at Metro Group Certified Water Technologist and Board of Directors, Association of Water Technologies What is Green Chemistry? The products and services supplied by the water treatment industry can have a significant impact on energy demand, use, and conservation.  While we recognize the key benefits of functioning as a Green […]

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Cooling Tower Compliance – How current law can be changed for accuracy

Cooling tower

One of the most burdensome requirements of New York City’s cooling tower compliance law is the 3-times-per-week cooling tower water quality testing obligation. This requirement calls for testing of pH, conductivity, temperature, and biocide chemical level three times each week, with no more than two days in between testing. For most building owners, fulfilling this […]

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The Truth About Anode Bars

As the company who wrote the book on HVAC water treatment (literally  wrote the book: Water Treatment for HVAC Water Systems) we have a unique perspective on how to best manage corrosion in boilers and hot water heaters. Several times per year, our clients from across the US will ask us about the use of […]

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