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Public Testimony

John Mullen of IAPMO on building water management standards

New York City Council · Sep 2, 2026 · starts 4:29:29 · 2 min 9 sec

John Mullen of IAPMO urges full adoption of ASHRAE Standard 188 and Guideline 12, plus ASSE Series 12000 training standards for plumbing and maintenance personnel. He argues building water management plans and certified staff can prevent outbreaks and reduce burden on health inspectors.

Member of the Public - John Mullen

Good afternoon.

Member of the Public - John Mullen

How are you doing?

Member of the Public - John Mullen

Good afternoon.

Member of the Public - John Mullen

My name is John Mullen, and I'm here today to speak in favor of enhanced remediation efforts to combat the growth of Legionella, the bacteria that caused Legionnaire's disease.

Member of the Public - John Mullen

I serve as director of technical services for the International Association of Plumbing and Mechanical Officials, also known as IATMO.

Member of the Public - John Mullen

IATMO supports the implementation of stronger laws and regulations to combat the growth and spread of bacteria.

Member of the Public - John Mullen

The recent outbreak in New York City's Upper East Side with over 90 cases and at least 11 deaths following last year's deadly outbreak in Harlem clearly demonstrates the effort undertaken by

Member of the Public - John Mullen

and a city to mitigate the bacteria has not been sufficient.

Member of the Public - John Mullen

This is likely attributable to in part the fact that the building water systems can serve as environmental opportunistic pathogens to proliferate, and aspects have not been fully sufficient addressed in other current mitigations.

Member of the Public - John Mullen

As the City Council considers additional steps to alleviate the building outbreaks, IAPMO encourages the city to use best practices available to lead Janela remediation and building water systems.

Member of the Public - John Mullen

This includes the full adoption of the ASHRAE Standard 188 and ASHRAE Standard Guideline 12.

Member of the Public - John Mullen

Additionally, the ASSE Series 12000, particularly the Standard 12061 and Standard 12080,

Member of the Public - John Mullen

these establish unique training programs to educate the pipe trades, craftspeople, employers, building water management teams, and other construction maintenance personnel on how to effectively, safely in their environments with potential exposure to these pathogens.

Member of the Public - John Mullen

These evidence-based practices have been designated by the National Standard Institute for Canada and also the SCC.

Member of the Public - John Mullen

We strongly encourage passing stronger legislation with fully adopting these standards.

Member of the Public - John Mullen

The importance of having building water management plans cannot be overstated.

Member of the Public - John Mullen

Having staff certified with these ASC standards can regularly test water outlets, and it can help prevent future outbreaks and take some of the burden off the health inspectors.

Member of the Public - John Mullen

So I am here to provide any additional information to the staff and committee you might have on this situation.

Member of the Public - John Mullen

Thank you for your time and consideration today.

Council Staff

Thank you very much.

Council Staff

And if you have more testimony, you can actually submit it at testimony at council.nyc.

Council Staff

You have 72 hours.

Council Staff

You can do that.

Council Staff

So if you want to give us more information, that's fine.

Council Staff

All right.

Council Staff

Thank you very much.