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Coliform positives trigger Level 1 EPA assessment; PRVs investigated
Summary
The town reported multiple total coliform positives (Plat 20 and Fox Run), will complete a Level 1 EPA assessment by June 5, and is investigating PRVs and possible chlorine-resistant strains.
Town staff reported two confirmed total coliform positives in Plat 20 (initial and retest) and an additional positive on Fox Run; Western Water Works was engaged for Most Probable Number testing and staff said EPA rules require a Level 1 assessment.
"The Town is required to complete a Level 1 EPA assessment by June 5th," Administrator Aitken reported. Staff noted one positive sample had a high chlorine reading, raising the possibility of a chlorine-resistant strain, and they are investigating pressure relief valves (PRVs) as potential entry points for turbidity or contamination. An EPA sanitary survey was scheduled for later that week.
Council did not take emergency action during the work session but directed staff to continue testing, complete the Level 1 assessment by the deadline, and report results to the Council and to residents if further action is necessary.
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