White Water Associates, Inc. has found the following documents and links helpful to customers in interpreting their test results, comparing their results with common standards or regulations and protecting their private well systems. Click on an item below to get more information regarding your water. EPA Primary and Secondary Drinking Water Limits (PDF) Interpretation of Common Tests (PDF) National Primary Drinking Water Regulations (PDF) Well Disinfection Guidelines (PDF) Identify Your Water’s Symptoms: What’s wrong with my water? Drinking Water Quality Coliform Bacteria (PDF) Protect Against the Unknown: Test your drinking water from your well (PDF) EPA Ground Water and Drinking Water Drinking Water Contamination Nitrate and Nitrite in Drinking Water (PDF) Lead and Copper in Drinking Water Copper in Drinking Water (PDF) PFAS in Drinking Water (PDF) Emergency Disinfection of Water Methods, Sample Containers, Preservation, Hold Time Table (PDF) EGLE Disinfection Manual (PDF)