Affordable Housing Handbook

Affordable Housing Handbook

Research Brief: The Hidden Cost of Water

Water leaks cost the multifamily sector billions. We should be fixing them quicker.

Bob Simpson's avatar
Bob Simpson
Dec 11, 2025
∙ Paid

In affordable housing, the strongest threats to long-term performance are often the ones you cannot see. Water is a perfect example. According to new analysis from ION, more than half of the water paid for in affordable multifamily housing is wasted before it ever reaches a sink or shower. Running toilets, aging heaters, and degraded fixtures quietly dr…

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