Which statement is true regarding coliform organisms in drinking water?

The statement that the drinking water should be considered unsanitary is true regarding coliform organisms. The presence of coliform bacteria in drinking water is an indicator of fecal contamination and suggests that harmful pathogens may be present as well. Coliforms are a group of bacteria commonly used to assess the microbial quality of water. If coliform organisms are detected, it raises immediate concerns about the safety of the water for consumption and indicates that the water supply may not be properly treated or protected from contamination.

In the context of drinking water safety, the identification of coliforms necessitates that the water is regarded as unsanitary, warranting further testing and potential remediation measures to ensure public health.