On the right is the last safety device: a diesel powered pump to bypass the relay pump if there is an electrical problem; then sewage won’t overflow. Also, on the premises is a natural gas powered emergency generator, located just outside a power building (not pictured) located at the site. Photos by Geri Corey. Electrical power surge causes a sewage pump station to fail On Sunday, June 14, a power surge damaged all electronic controls at the Hambletonian Pump Station on Craigville Road in... Home 30 Jun 2020 | 01:27