Kan. Admin. Regs. § 28-15a-70
The provisions of 40 C.F.R. 141.70 and 40 C.F.R. 141.72 through 40 C.F.R. 141.76, as in effect on July 1, 2015, are hereby adopted by reference with the following alterations:
"A sufficient amount of chlorine shall be added to the water to maintain a chlorine residual of at least 0.2 mg/L of free chlorine or 1.0 mg/L of total chlorine throughout the entire distribution system.
"Failure to maintain a residual as specified in 141.72(b) (3)(i) in more than five percent of measurements taken each month, in any two consecutive months, shall be a violation of this regulation and shall be reported to the department by the tenth day following the month in which the violation occurred.
"Each day the public water supply system serves water to customers, the operator shall make a measurement of the chlorine residual. The operator shall record and maintain data to demonstrate to the department that the public water supply system is in compliance with the requirements of 141.72(b)(3)(i)."
Kan. Admin. Regs. § 28-15a-70