SMC to build tertiary treatment plants in Hazira, Surat December 20, 2022 | Announced, Announced/Approved, Industrial Water Supply, Key Segments, News & Developments, Project Updates, State Initiatives, Water Supply The Surat Municipal Corporation (SMC) is likely to build two tertiary treatment plants (TTPs) for water supply in industries of Hazira in the state of Gujarat. This content is restricted.