Creating Science-Based Technologies for Effective, Affordable, Sustainable Water Purification.
Scientists long ago discovered how to purify unsafe water. To us, the central issue has been in designing solutions that are both sustainable and scalable and that can reach the millions in need while at the same time continuing to function without sustained outside input. Our target populations are those individuals and families who live on $2 per day or less.

Progress by the Numbers

More than 21, 900

Filter Systems Worldwide

More than 2. 4

Million Liters/Day Capacity Installed

More than 218, 950

Individuals Directly Benefitting

Water Tracker

Aqua Clara and Rotary Grand Rapids Build Bio-Sand Filters in Chinandega, Nicaragua

This April 2018, an ACI team composing of Dr. Harry Knopke and Jay VandenBrink met with their in-country Director of […]

Bob McDonald, Founder of Aqua Clara, Passes Away

Bob McDonald, founder of Aqua Clara, passed away the afternoon of April 19 with his family present in the Inn […]

Another Round of Filters in Yucatan, Mexico

This February, ACI’s team member, Dale Spencer, went back down to Yucatan, Mexico with Fifth Reformed Church of Grand Rapids. […]


"No one scrambles for clean water and now children attend school every day. We are one of the best performing schools in the area. Now their parents want clean water for their homes."
Charles Maoga

Charles Maoga

Principal of Moi, Kisii, Kenya Primary School - 650 students with Aqua Clara Kenya Rain-Harvest and Filtration System

"Many of us were sick from our water being contaminated, but that is no more. This filter supports my whole community, and for that, we are happy."
Fermin Ramirez

Fermin Ramirez

Beneficiary, Llano de San Francisco, Querétaro, México - Aqua Clara Arsenic Community Filter

"There are no hospital visits for my family anymore. All water born diseases have ceased. I can filter my water and go do other work now instead of the daily collection of wood to boil it."
Jeliah Peter

Jeliah Peter

Beneficiary, Keroka, Nyanza, Kenya - Aqua Clara Kenya BioSand Filter