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Patricia Colihan

Chief Financial Officer

Patti oversees the Finance Office, comprised of the Accounting, Budget, Disbursements, Retirement and Investments and Revenue divisions. A talented team, their mission is to maintain the fiscal integrity of WSSC Water and help ensure that the available resources are efficiently allocated and productively used to provide value to our customers at the lowest possible price.

Prior to Patti’s appointment as Chief Financial Officer in November 2018, Patti served as the Executive Director of the Maryland-National Capital Park and Planning Commission. She earned her Bachelor of Arts Degree in Accounting from Frostburg State College, and master’s degree in Management from the University of Maryland, University College.

Patti is a Certified Public Accountant and a Certified Government Finance Manager.  She is a member of the Government Finance Officers Association and Maryland Government Finance Officers Association where she was a past president. She is also a graduate of Leadership Montgomery.

When she’s not handling WSSC Water’s finances, she enjoys tennis, playing piano,  reading, swimming and visiting parks.