HomeMy WebLinkAboutWATER TEST INTERPRETATION - 16-00628 - Sawtelle Apts - 18 Plex #1
Interpretation of Common Test Results
Total Coliform
Excellent: “A,” or an “absent” test result, meaning there is no Total Coliform in the water
sample.
Objectionable: “P,” or a “present” test result, meaning that Total Coliform is present in
the water sample. According to the EPA, a result of “present” for Total Coliform is
considered a health concern as it may indicate the presence of other harmful contaminants
in the water.
E. coli:
Excellent: “A,” or an “absent” test result, meaning there is no E. coli in the water sample.
Objectionable: “P,” or a “present” test result, meaning that E. coli is present in the water.
According to the EPA a result of “present” for E. coli is considered a major health
concern and the water should be treated immediately.
Related Problems:
Total Coliform Health Concerns: Total Coliform is not a health threat in itself; it is
used to indicate whether other potentially harmful bacteria may be present.
Total Coliform - Sources of Contamination: Coliforms are naturally present in the
environment; as well as feces.
E. coli Health Concerns: The presence of E. coli indicates fecal contamination of water
and can be a major health threat. E. coli can cause diarrhea, cramps, nausea, headaches, or
other symptoms. This pathogen may pose a special health risk for infants, young children,
and people with severely compromised immune systems.
E. coli - Sources of Contamination: E. coli is present in human and animal fecal waste.
For more information on contaminants in water, visit the EPA website: http://water.epa.gov/drink/contaminants/index.cfm
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