In 2020, the COVID-19 pandemic shocked health systems, demanding the urgent identification and prioritization of immediate health care facility needs. Beginning in August 2020, USAID’s MOMENTUM Country and Global Leadership project implemented WASH improvements in 199 HCFs in Bangladesh, Ghana, India, Sierra Leone, and Uganda, including 44 faith-based facilities in Ghana, Sierra Leone, and Uganda. This brief distills learnings of faith-based partners, supports faith-based networks to take WASH activities to scale, and suggests ways to achieve scaling through limited, medium-level, and significant investments.