Tests revealed no problems at Champlin water treatment plant
September 19, 2001 — The attacks on the World Trade Center in New York and the Pentagon prompted officials to shut down a Champlin, Minnesota, water treatment plant.
The plant received the order on Thursday and will remain shut down until a second round of test results is available.
No threats were received for the plant, but Health Department officials had warned water supply system operators in Minnesota to be on alert for possible chemical or biological terrorist attacks, the Pioneer Press said.
The plant, which removes some minerals from the already chlorinated well water, shut down after water officials noticed a door ajar. No other suspicious activity was found.
No chemical or biological contaminants were found in tests after the shutdown. While water was routed past the plant to the community's water supply, water plant employees flushed the system and plan to do another series of tests before allowing the plant to go back into service.
This is the second alert that Minnesota water treatment plants have received since the Sept. 11 attacks.
The Minnesota Health Department said that selected treatment plants in other states were also shut down for tests.
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