The diffusion of personal information through the web page of an Administration, in spite of not having concrete addressees, has to be understood like a communication of data in the sense of the article 11 of the LOPD. The valid regulations on the subject of access to the environmental information could legitimate the access to the information related to the enabled technical professionals of the environmental entities of control, unless determinate circumstances coincide. For the typology of the object data of the consultation, it does not seem to require itself the confidentiality of the data, in the context of the Law 27/2006.