450 homes in Ammanford identified as being at risk of flooding due to climate change

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A plan to protect more than 450 properties in Ammanford from flooding has been announced.

Natural Resources Wales (NRW) has identified a number of improvements needed to protect the Carmarthenshire town from a repeat of the serious flooding seen there in the past.

The most recent bout of flooding was in 2009, when a number of streets were deluged and the A483 was closed because of the floodwaters.

It is predicted that 250 properties in the town are currently at risk of flooding, with a 1% chance of this happening each year during an “extreme flood event”, according to an NRW investigation.

Computer modelling shows that the number of properties and homes affected by flooding in Ammanford is likely to increase to more than 450 as a result of climate change.



Coleg Sir Gar is in an area at risk of flooding



An artist’s impression of the proposed flood defence wall at Coleg Sir Gar

The areas identified as being most at risk of being flooded are Bonllwyn, Aberlash Road, Tir-y-dail, Gwyn Fryn and Shands Road.

A statement released by NRW said: “Our investigations have shown that the cause of flooding in Ammanford is complex, with flood water spilling into the town at several locations.”

Reducing the potential of flooding from the rivers Loughor, Marlas and Lash are the focus of a number of new defences, which are part of a consultation running throughout January [2021].



Gwyn Fryn Estate is believed to be at risk



An artist’s impression of the proposed defences in Gwyn Fryn

Residents and stakeholders in Ammanford have been posted a newsletter or the consultation can be completed online here.

The plans include the construction of flood walls upstream and downstream of Dyffryn Bridge, including at Coleg Sir Gar to protect the college site.



Multiple locations around the town are proposed as sites from flood defences

Proposed adaptations on Gwyn Fryn Estate could include the felling of large trees between the houses and the riverbank, NRW are: “Proposing tree planting to compensate for the loss of the large trees and improve the landscape of Gwyn Fryn Estate”, should this be needed.

In Shands Road, the preferred option is to build a flood defence wall between the council-owned industrial units and the River Loughor, as well as fitting the properties with protection measures to “increase resilience to flooding”.

A large earth to avoid flooding of the railway line near Shands Road is also part of the proposals, which you can read in full on the link above.

A draft copy of the planning application, including the Environmental Constraints and Opportunities Record, will be made available online on the project webpage.

Following the consultation, a full planning application will be submitted to Carmarthenshire Council.



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