Here's some links that will be useful to many anglers to check river levels in Wales. Especially useful for the travelling angler.
http://www.fishpal.com/Wales/?dom=Pal
http://www.fishing.visitwales.co.uk/fisheries/riverlevels/Default.aspx
This one with the EA I only came across recently is very good, as it offers river levels for many of the smaller less well known rivers in Wales.
http://www.environment-agency.gov.uk/homeandleisure/floods/riverlevels/120503.aspx
http://www.fishpal.com/Wales/?dom=Pal
http://www.fishing.visitwales.co.uk/fisheries/riverlevels/Default.aspx
This one with the EA I only came across recently is very good, as it offers river levels for many of the smaller less well known rivers in Wales.
http://www.environment-agency.gov.uk/homeandleisure/floods/riverlevels/120503.aspx