LAC 51:XII.139
LAC 51:XII.139. Monitoring Equipment
Cite as La. Admin. Code tit. 51, pt. XII, § 139
A. Water treatment plants shall be provided with equipment (including recorders, where applicable) to monitor the water as follows.
1. Plants treating ground water using iron removal and/or ion exchange softening shall have the capability to monitor and record free chlorine residual.
2. Ion exchange plants for nitrate removal shall continuously monitor and record the treated water nitrate level.