Ohio Administrative Code
Title 3745 - Ohio Environmental Protection Agency
Chapter 3745-81 - Primary Drinking Water Rules
Section 3745-81-64 - General requirements of the Long Term 2 Enhanced Surface Water Treatment (LT2) Rule
Current through all regulations passed and filed through March 18, 2024
(A) The requirements of rules 3745-81-64 to 3745-81-69 of the Administrative Code are derived from national primary drinking water regulations. This rule establishes or extends treatment technique requirements in lieu of maximum contaminant levels for Cryptosporidium and are in addition to requirements for filtration and disinfection in rules 3745-81-71 to 3745-81-75 of the Administrative Code. These rule requirements apply to each public water system using a surface water source, in whole or in part. Wholesale systems must comply with the requirements of these rules based on the population of the largest system in the combined distribution system.
Consecutive systems are not exempt from the requirements of the LT2 rule. However, consecutive systems may receive water that a wholesale system has monitored and treated, if required, to comply with the LT2 rule. In this case, the consecutive system is not required to conduct additional monitoring or install additional treatment on that water under the requirements of the LT2 rule.
(B) Systems subject to this rule shall comply with the following requirements:
Five Year Review (FYR) Dates:
01/29/2015 and
01/29/2020
Promulgated
Under: 119.03
Statutory
Authority: 6109.04
Rule
Amplifies: 6109.04
Prior
Effective Dates: None