February 9, 2015 6:00 PM EST

A water manager is expected to be disciplined after the San Francisco Public Utilities Commission confirmed he urinated in a San Francisco Bay Area reservoir last month, the Associated Press reports.

Martin Sanchez was reportedly up for a promotion, but now he could face a suspension without pay, according to the AP. The reservoir, located in the Sierra Nevada Foothills, had been drained for maintenance, and authorities say the incident does not pose a public health risk.

Twice, Portland, Oregon, has been forced to drain a reservoir after similar episodes.

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Write to Olivia B. Waxman at olivia.waxman@time.com.

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