Total Coliforms
Total coliforms are a group of bacteria found in the environment, including in soil, vegetation, and feces of warm-blooded animals. They are used as an indicator of water quality and the potential presence of harmful pathogens.
Health Guideline Level (HGL)
0 ppb
Maximum level that poses minimal health risk based on the latest science
Health Effects
While most coliform bacteria are not harmful, the presence of total coliforms in drinking water indicates that the water may be contaminated with fecal material and pathogens that can cause disease. Exposure can lead to gastrointestinal illnesses, respiratory infections, and other health issues.
Affected Organs & Systems:
Common Sources
- Agricultural runoff
- Sewage discharge
- Natural deposits
How to Remove It
Water filters certified under the following NSF standards are effective at removing Total Coliforms:
Health Guideline Level
The HGL represents the maximum level that poses minimal health risk based on the latest scientific research. It's often more protective than federal legal limits.
Contaminant Type
Total Coliforms is classified as a Bacteria contaminant.
This contaminant primarily affects the Gastrointestinal system, Nervous system.
Check Your Water
Find out if Total Coliforms is in your tap water.
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