Twenty years ago, the elected officials who served on the boards of the Orange County Sanitation District and Orange County Water District had a visionary idea to recycle treated wastewater to drinking water standards and percolate that water into our underground aquifer where it could eventually be used again for drinking water. The project — which would be known as the Groundwater Replenishment System — was not without opposition, much of it surrounding the cost of the project and the water it would produce.