This handy field guide provides procedures to help a customer complaint investigator determine the source of a water quality problem.The guide describes the possible causes and solutions.

Categories of complaints covered include: air in water/milky water, dirty water/colored water/foreign particles in water/staining, hard water/scale/spots on glassware, sickness/skin irritation, tastes/odors, worms/insects in water, aquarium fish problems, garden damage