Southern Water begins major £3.5m sewer sealing scheme to improve its network in Hampshire
Southern Water is starting work this month on a significant sewer relining programme in two Hampshire villages
Sewer sealing in Penton Mewsey and Appleshaw
More than 15.5km of sewer in Penton Mewsey and Appleshaw near Andover will be sealed to help reduce storm overflows and improve the resilience of the wastewater network.
The sewers in these areas have been impacted by groundwater infiltration, which has increased the amount of water in the sewer. This work will eliminate the need for tankers and reduce strain on our treatment works in the area.
Work has begun and is expected to be completed by Autumn 2026. To minimise disruption, the project will be carried out in small sections.
Alongside this work, we’re also sealing private lateral sewers at customers’ properties, which we believe will make a big difference in reducing infiltration and pressure in the network.
Chairman of the Upper Anton Parishes Flood Forum, Nigel Blackmore said:
“We’re really pleased to see this major investment that will benefit our community get underway.
“Our community like others in this area of Hampshire is impacted by groundwater flooding which results in tankers throughout the year, we’re pleased to see Southern Water taking action to protect our community from flooding and reduce the likelihood of tankers being used in future.”
Carolin Till, Project Manager at Southern Water, said:
"This is a vital investment to protect the environment and reduce the impact of tankering in these communities. By sealing these sewers, we’re tackling groundwater infiltration, which has been a major challenge in this area. This in turn will also help our work to reduce storm overflows."