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Wallsburg water system: chlorine treatment, tank mapping errors and SCADA problems prompt repairs
Summary
Council heard that mapping errors during a pipeline cutover caused treated water to be drawn back into the system; crews flushed and chlorinated lines, and staff reported ongoing SCADA false alarms and possible battery-backup replacement.
The Wallsburg Town Council on Sept. 5 received an update on recent water-system problems that left parts of the distribution system smelling and tasting of chlorine and prompted emergency flushing.
Troy Thompson, who manages water operations, described a mapping error and valve mis-identification during work connecting a new tank that allowed chlorinated, stagnant water to be drawn into the distribution system. "What they did was ... they…
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