Rhoi adborth ar y tudalen honGwybodaeth Berthnasol am Gynlluniau Argyfwng
Uk Resilience www.ukresilience.info
I baratoi ar gyfer argyfwng http://www.preparingforemergencies.gov.uk
Mesur Paratodau Sifil http://www.ukresilience.gov.uk/
Cofrestr Risg Gymunedol Gogledd Cymru http://www.north-wales.police.uk/nwpv2/_globalimages/uploaded/crrCy.pdf
Gwasanaethau Argyfwng
Heddlu Gogledd Cymru http://www.north-wales.police.uk/
Gwasanaeth Tân ac Achub Gogledd Cymru http://www.gwastan-gogcymru.org.uk/page.asp?page=HOME
Asiantaeth forwrol a gwylwyr y glannau http://www.mcga.gov.uk/c4mca/mcga-home
Gwasanaethau Eraill
Ymddiriedolaeth GIG Gogledd Ddwyrain Cymru http://www.wales.nhs.uk/sites3/w-home.cfm?orgid=115
Environment Agency Wales http://www.environment-agency.gov.uk/regions/wales/
Gwasanaeth lechyd Cyhoeddus Cenedlaethol Cymru
http://www.wales.nhs.uk/sites/home.cfm?OrgID=368
Y Swyddfa Fereorolegol http://www.meto.gov.uk/
Dwr Cymru http://www.dwrcymru.co.uk/
Scottish Power http://www.scottishpower.com/pages/
National Grid (Gas) http://www.nationalgrid.com/uk/ Wales and West Utilities http://www.wwutilities.co.uk/C_default.asp
BT http://www.bt.com/index.jsp
Lechyd a Diogelwch http://www.hse.gov.uk/
Department of Environment, Food and Rural Affairs http://www.defra.gov.uk/
Ymddiriedolaeth Gig Gwasanaeth Ambiwilans Cymru http://www.wales.nhs.uk/sites3/w-home.cfm?orgid=136