(Austin, Texas) Tuesday May 19, 2015 Austin Water Utility’s Excellence in Pretreatment Compliance Award honors distinguished Significant Industrial Users (SIUs) who exhibit environmental stewardship by proactively preventing pollution and managing waste water discharge. On March 26th, SACHEM received the Pretreatment Compliance Award for the 5th consecutive year. Pretreatment Award winners go beyond meeting effluent quality…