Strictly speaking, TTHMs are Total Trihalomethanes, of which Tribromomethanes are just one of the the Trihalomethanes. Regardless, according to the 2013 Water Quality Report for Central Sumter, the TTHM levels ranged from 11 to 29.
Quote:
Originally Posted by jimbo2012
Also ask them about the Tribromomethane (TTHM) levels, a byproduct of their disinfection.
their levels of 79.4 are at about the max allowed by the EPA of 80 
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