3701-31-04 ( D )(6)(a) / ORP reading shall be 650 millivolts or greater.
ORP reading was below 650 mv
Have the ACC unit inspected to determined why the ORP is low.
3701-31-04 (B)(6)(c)(ii) / Backwash lines and lines from drainage sumps have an air gap and are open to freely drain
Backwash lines and lines from drainage sumps did not have an air gap prior to discharge
Open the lines that discharge into the backwash or drainage sumps so that there is an air gap and the lines can drain freely.
3701-31-04 (D)(7)(d) / Flow or pressure switch with a shut off valve shall be provided and tested monthly.
Critical Flow or pressure switch for a shut off valve was not provided or the unit was not tested monthly
Have the ACC unit serviced or replaced with a unit that has a flow or pressure switch with an automatic shut off valve. Provide records indicating that the unit is being tested monthly.