June 11 (Reuters) - Imperial Oil ( IMO ) on Wednesday

reported a small diesel leak into the Saint Clair river from its

dock in Ontario, Canada, according to a latest community alert.

"Containment booms have been deployed in the St. Clair

River... The leak source was quickly isolated, and confirmed

stopped at 10:00 p.m.," Imperial said.

Imperial was not immediately available to comment on the

volume of the release.

Recovery and clean-up efforts are ongoing, and the sheen

is fully contained, Imperial said, adding precautionary down

river water quality monitoring has been conducted, and no

detectable levels of hydrocarbon have been observed.