Sanitary Sewer Overflow Emerges, Concludes in Greenfield at 5:30 A.M.

GREENFIELD – A sanitary sewer overflow surfaced in Greenfield that concluded at 5:30 A.M. on Saturday, February 17. A start time is estimated as 5 P.M. on Friday, February 16. The overflow occurred due to an operator error and alarm malfunction. A portion of flow was discharged before reaching the final settling tank. Specifically, one half of the flow after traveling through all of the treatment process except the last tank for final clarification was released.

The flow was treated for 90% of the discharge. The overflow discharged 660,000 gallons.

The City Greenfield, WPCF, DPW have reported the overflow. The discharge consists of untreated sewage and waste. The untreated sewage discharged from the Greenfield Water Treatment Plant.

The sanitary sewer overflow is impacting the Green River and Deerfield River in Greenfield, as well as the Connecticut River in Deerfield, Montague and Sunderland. The overflow does not impact drinking water.

Avoid contact with these water bodies due to increased health risks from bacteria and other pollutants. Community members are asked to avoid contact with these water bodies for 48 hours from the overflow’s conclusion (Monday, February 19 at 5:30 A.M.).

See the website for more information on whether specific resource areas, such as bathing beaches, are affected. For additional information on discharge, overflows and the water department, visit https://greenfield-ma.gov/departments/dpw_department_of_public_works/water_division.php

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