It means all sites will operate reduced opening hours while closing two days a week.
The Winsel site on the Old Hakin Road will be closed on Wednesday and Thursday as will the site at Manorowen near Fishguard and Crane Cross near Tenby.
The sites at Waterloo in Pembroke Dock, St Davids and Hermon will close every Monday and Tuesday.
The operating hours of each site vary and householders are urged to check opening times by visiting www.pembrokeshire.gov.uk/wasteandrecycling
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