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Flooding
Report a flooding problem
Contact details, travel advice, sandbags and flood warnings.
Preparedness and resilience
We urge you to consider personal resilience as your first defence against the possibility of flooding.
Flood risk and responsibilities
Learn more about flooding, including advice and responsibilities.
Formal flood investigations
As the Lead Local Flood Authority (LLFA) one of Cyngor Gwynedd’s duties under the Flood and Water Management Act (FWMA) is to investigate flood events which occur from local sources.
Ordinary watercourses land drainage consent
Apply for consent to carry out changes to an ordinary watercourse that may affect flow or flood risk.
Enforcement powers
Ensuring that appropriate maintenance is carried out by riparian landowners on ordinary watercourses.
Sustainable Drainage Systems
All new developments need to provide sustainable drainage systems (SuDS) for managing surface water.
Contact us in an emergency
In an emergency, you can contact us on 01766 771000 day or night and your call will be diverted to the relevant service.
Contact us in an emergency
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