| BG water not suffering from algae |
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| Written by Sentinel-Tribune Staff | |
| Tuesday, 31 August 2010 10:19 | |
The plant pumps water from the river into a reservoir and then into the plant for treatment. Acting Superintendent Chad Johnson said water in the reservoir is treated with potasium permangenate, which kills any algae. The chemical has long been used in the initial treatment of raw water. Johnson said the plant could also use copper sulfate in the reservoir but chooses not to do so because use of that chemical has additional EPA requirements. "We're really seeing little algae in the river. It's not clogging up the screens," Johnson said. He said the granulated activated carbon filtration system added to the plant several years ago adds to the quality of the finished water. Two improvement projects are under way at the plant, a nanofiltration system, which should be completed by the end of the year, and additional pumping capacity from the river to the reservoir. The daily pumping capacity jump from 8.5 million gallons per day to 40.5 million gallons per day. The plant has been pumping an average of about 8 million gallons of finished water to the city per day. Director of Utilities Kevin Maynard said that project should be finished in early September. "It will allow us to be much more selective about when we pump water from the river into the reservoir," Maynard said. The plant pumped about 8 million gallons of finished water to the city per day during July. On the east side of the city at the wastewater treatment plant, Plant Superintendent Doug Clark said the facility is discharging water into Poe Ditch at a quality that exceeds the city's EPA discharge permit. For the first seven months of 2010 Clark said the plant is removing 89 percent of phosphorous, 91 percent of nitrogen ammonia and 99 percent of suspended solids. The figures are based on tests of water entering the plant and water being discharged. Poe Ditch flows into the Portage River and eventually into Lake Erie. |
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| Last Updated on Tuesday, 31 August 2010 12:43 |
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