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Computer Glitch Causes Water Outage

Event Year
2010
Reliability
Confirmed
Country
United States
Industry
Water/Waste Water

Description

Two water tanks emptied leaving residents without water for about an hour and 15 minutes.  A computer indicated that the two tanks were full.  The tanks were acutally dropping and not refilling.  There is an alert system to detect low water levels, but there was no warning.

Impact

Water level monitors did not detect the dropping water levels.  Two water tanks went dry and residents were without water for an hour and 15 minutes.