Subjgrp 22. Individual Filter Turbidity Requirements

• § 141.560 - Is my system subject to individual filter turbidity requirements?
• § 141.561 - What happens if my system's turbidity monitoring equipment fails?
• § 141.562 - My system only has two or fewer filters—is there any special provision regarding individual filter turbidity monitoring?
• § 141.563 - What follow-up action is my system required to take based on continuous turbidity monitoring?
• § 141.564 - My system practices lime softening—is there any special provision regarding my individual filter turbidity monitoring?