ROSEVILLE, Minn., February 2, 2026 – Hawkins, Inc. (Nasdaq: HWKN), a leading water treatment and specialty ingredients company, today announced the successful completion of a multi-year pilot test featuring WaterSurplus’ patented NanoStack™ coated membranes at the Orange County Water District’s (OCWD) Groundwater Replenishment System (GWRS). WaterSurplus is a wholly owned subsidiary of Hawkins, Inc. and is located in Loves Park, IL.
Based on the successful pilot, OCWD will install 1,050 NanoStack™ coated membranes at GWRS, the world’s largest advanced water purification system for potable water reuse. This quantity represents one full reverse osmosis train, treating approximately 5 million gallons of water per day for indirect potable reuse. Pilot testing data demonstrated that NanoStack™ technology significantly improved fouling resistance, cutting clean-in-place requirements by more than half, and reducing RO energy consumption by more than 15%. Given that energy is one of the largest operating costs for advanced water treatment facilities, these savings are estimated to enable a payback period of less than two years, according to WaterSurplus’ Chief Technology Officer, Dr. Dileep Agnihotri.
Read more in our press release.