Total coliform is a grouping of all bacteria found in the water that came from either soil, or human and animal waste. It is the sum of all E.Coli, other Coliform and other Coliform found in a 100mL sample of water. other Coliform is a sub-group of Total Coliform as it only relates to bacteria found in warm-blooded animals.
Total Coliform is measured in a lab and it takes 24 hours to get your results. The lab give you special containers and teach you how to make sure your sample isn't contiminated.