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Harrisonburg utilities describe "moving target" turbidity event; staff to optimize backwash, test chemicals and evaluate future supplies

Harrisonburg (Independent City) City Council · May 27, 2025
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

City utilities staff told council that a recent turbidity spike forced repeated filter cleaning and short runs, reduced treated-water production and drew down storage, and they described immediate and longer-term steps to reduce vulnerability.

City utilities staff gave council a detailed, technical account of a multi-day turbidity event that sharply increased raw-water turbidity and strained the water-treatment facility operations.

Mike Collins (public utilities staff) told council the plant is a Class 1 facility running multiple surface-water sources and normally operates near 85% capacity. He said the May event produced turbidity readings as high as 180 NTU at the intake and that the plant experienced shortened filter-run times…

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