If you have a concern about the functioning of environmental laws in Wales, complete the submission form and submit it to IEPAW@gov.wales.
Os oes gennych bryderon ynghylch sut y caiff cyfreithiau amgylcheddol eu gweithredu yng Nghymru, llenwch y ffurflen gyflwyno a’i hanfon i IEPAW@llyw.cymru.