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Hafan
- Yn y cartref a hamdden
  - Llygredd
    - Llygredd dŵr

Llygredd dŵr

Sut gallwch chi osgoi llygredd dŵr o’ch cartref, a gwybodaeth am faterion fel trin carthion.

Environmental permitting for discharges to surface water and groundwater
Find out if you need an environmental permit or exemption and how to apply.

Yellow Fish

A scheme to raise awareness about sources of water pollution and the quality of water in your local streams, rivers, lakes or ponds.
Phosphate information and education
Osgoi llygredd dŵr o’ch cartref
Anghydfodau ynglŷn â chysylltu â'r garthffos gyhoeddus
Trin carthion â golau uwch-fioled ar arfordir gogledd ddwyrain Lloegr

Offer Tudalen

Dolenni cysylltiedig

Chwarel Bro Feisgyn