Has your emissions modelling incorporated the potential impact of pumping wastewater long distances to the nearest wastewater treatment works of appropriate size and capacity to take a large new population from new settlements surrounding rail corridors?

Inappropriate strategy

Neutral

Neutral

Appropriate strategy

Inappropriate strategy

Yes

Limit of 10 dwellings per site

Yes

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Household and business water use is a carbon intensive resource, both in the supply and the use of it in the home i.e heating of water. Any Net Carbon Approach should incorporate water use efficiency as a core element which will have multiple benefits.

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Severn Trent is supportive of climate responsive development design which supports ambitious water efficiency targets and flood resilience. It is important that all new developments are designed in accordance with the drainage hierarchy, and where possible existing dwellings are encouraged to minimise any existing surface water connections to the foul/combined sewer network. We are supportive of the inclusion of existing dwellings in policy wording, as betterment of existing surface water connections and water consumption could free capacity in the existing network from flows from new development. This could reduce the need for carbon intensive and costly improvements to the sewer network and wastewater treatment works.

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In the development of the SWLP strategy water resource management, sustainable surface water management, fluvial flood risk and water quality should all be core elements to determining location and size of new development. The location of new development has the potential to impact the number of properties at risk of multiple sources of flooding, including sewer flooding in the network. Policies on SuDs are recommended, and site selection should consider availability to follow the drainage hierarchy and avoid connection of surface water into the foul/combined sewer network. Water quality is an important consideration when determining the location of new development. If the water environment does not have available capacity for increased treated effluent from wastewater treatments works that are set to take new development, then this should be a core consideration in the appropriateness of allocating a development site. Many of our wastewater treatment works discharging into the river Avon and it’s tributaries are at the technically achievable limit with regards to meeting their permit requirements. Unless existing surface water and infiltration flows from a catchment can be significantly reduced, new technology arises that allows us to treat phosphorous more effectively or the Environment Agency allow a deterioration through relaxing permit requirements it is likely to be very difficult to accommodate the planned growth strategies across South Warwickshire.

Yes

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