The phrase describes facilities offering analytical services to determine the quality and safety of potable and non-potable water sources. These facilities analyze water samples for a range of contaminants, including bacteria, heavy metals, pesticides, and other pollutants. For example, a homeowner concerned about well water purity might search this phrase to find a lab to test for lead or E. coli.
Accessing these resources is crucial for public health and environmental protection. Testing helps ensure drinking water is safe, identifies sources of pollution in waterways, and verifies the effectiveness of water treatment processes. Historically, widespread waterborne illnesses prompted the development of water quality testing standards and the establishment of specialized laboratories to monitor and maintain water safety.
