Section 16.03 - Events Requiring Notification(1) A Permittee must issue a public advisory notification for the following events: (a) any Combined Sewer Overflow;(b) any discharge of partially treated wastewater, including blended wastewater;(c) any Sanitary Sewer Overflow that discharges through a wastewater outfall, either directly or indirectly, to a surface water of the Commonwealth;(d) any SSO that flows into a surface water of the Commonwealth and is the result of the sanitary sewer system surcharging under high flow conditions when peak flows cannot be conveyed to a POTW due to capacity constraints; and(e) any SSO that flows into a surface water of the Commonwealth and is the result of a failure of a wastewater pump station or associated force main designed to convey peak flows of one million gallons per day or greater.(2) A permittee is not required to issue a public advisory notification for SSOs that are regulated under 314 CMR 12.00: Operation and Maintenance and Pretreatment Standards for Wastewater Treatment Works and Indirect Dischargers, except for the SSO events specified in 314 CMR 16.03(1)(c) through (e).Adopted by Mass Register Issue 1460, eff. 1/7/2022.Amended by Mass Register Issue 1461, eff. 1/7/2022.