The Department of Energy and Environmental protection was called to the Newington town garage on Wednesday for an oil spill.
Officials said a CT Tank Works truck was called in to clean up some diesel oil that spilled after an issue with a sub-pump.
The oil spilled, and officials said not all of it went into the catch basins. Some of it spilled into a nearby brook.
Officials said brooms are being placed in the brook to contain the oil.
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