Decision details

Fishlake is a village within Doncaster that lies on the left bank of the River Don. During November 2019, within the Fishlake area, 173 properties were recorded as having flooded. Flooding has previously
occurred during 2007.
During November 2019 a combination of two major rainfall events on subsequent weeks produced a major flood on the River Don that first exceeded the design standard of the left Riverside Bank and then subsequently overtopped the secondary Barrier Bank. Significant overtopping of the Riverside Bank occurred upstream and just downstream of Stainforth Bridge (Fishlake Nab). The flood extent was initially contained by the secondary level of defence, the Barrier Bank, until this was overtopped, allowing the flood water to quickly spread east, north, and west across the village filling up lower-lying areas and flooding many properties until most of the village was submerged.
Following the November 2019 flood event, the highway had incurred damage and the drainage system needed to be cleansed and the majority of the watercourses had to be de-silted and regraded due to
slippages, this cost was incurred by City of Doncaster Council and the Internal Drainage Board. It is possible that the findings of this report will identify a solution to limit the financial impact of future flood
events.
A study has been completed using £***** from Local Levy funding. The information from the study will be used to inform the business case to secure delivery the preferred solution/s identified. The purpose of the additional funding is to complete a detailed design and construction of the preferred scheme. The preferred option identified from the study is the installation of a non-return structure on Sour Lane Drain in Fishlake

To approve the acceptance of funding to deliver a non-return structure to reduce and improve flood risk management interventions within the Fishlake catchment. Funding of £**** will come from internal cost code EN032 which has been allocated for the works.

• To providing a grant of up to £**** to the Internal Drainage Board to carry out the detailed design and construction of the scheme within the Fishlake FRMS as the asset is within IDB area and the IDB will carry out the work using the powers under The Land Drainage Act
1991.

• The IDB will be maintaining the asset for the asset lifetime and this will be included as a term of the grant agreement.

• This is an update/amendment to the approved ODR PLACE23 0912

Option 1: Do not provide a grant.
If the grant was not provided to the IDB, the Council would need to get consent from the IDB to carry out the work in IDB area and Board maintained watercourse. The Council would then also need to procure the design and construction of the scheme.