** York Water's YORW.O shares down 2.7% to $30 in extended trading as it seeks equity raise
** York, Pennsylvania-based water utility files to sell shares; deal size not disclosed
** It expects to use net proceeds for general corporate purposes, including its capital investment program, repayment of debt, and potential acquisitions
** YORW has ~14.4 mln shares outstanding for roughly $450 mln market cap
** Huntington Capital Markets sole bookrunner for offering, Seaport Global Secs is co-manager
** Stock closed down 1.9% at $30.84 on Weds, down 3% YTD
(Lance Tupper is a Reuters market analyst. The views expressed are his own)
((lance.tupper@tr.com 1-646-279-6380))