In the United States due to a failure in the computer in the waters of the lake were hundreds of thousands of litres of effluent. About it reports The Washington Post.
The incident occurred in Massachusetts. According to preliminary data, the cause of the error was the failure of the program in the system of water treatment in Worcester. As a result, the pumps stopped and the sewage began draining into the lake Quinsigamond.
For Troubleshooting it took more than an hour — all this time, the discharge of water continued. The city authorities have banned swimming in the lake. The exact extent of contamination is unclear, to determine the samples of water.