Preventing pollution of our water resources, particularly groundwater, is much easier than cleaning it up later. Preventing Pollution: Cleaning Up Our Act explains how common household products can pollute surface and groundwater supplies. Many common household, yard and workshop products which are hazardous to the water supply are listed with information on how to dispose of them. Non-hazardous alternatives to these products are suggested. Order in bulk (100 or more) for a reduced rate, or personalize the cards for an additional charge. Contact the Foundation, 916-444-6240, for details.