PORTLAND, Ore., March 02, 2020 (GLOBE NEWSWIRE) -- NW Natural Water Company, LLC (NW Natural Water), a wholly owned subsidiary of Northwest Natural Holding Company (NYSE:NWN), has completed the acquisition of T&W Water Service Company in Conroe, Texas. The sale was approved by the Public Utility Commission of Texas in close cooperation with the sellers and stakeholders. Currently, T&W serves approximately 9,200 people through 3,700 connections in the Houston-The Woodlands-Sugar Land metropolitan...