The general objective of this paper is to verify how the collection and final disposal of solid domestic and/or commercial waste produced by the riverside population of the Ilha Grande, Caciri, Tem-Tem, and Vila do Juaba, in the municipality of Cametá - PA is done, geographically situated in the extend in the River Tocantins extension. This is bibliographical research, complemented by quantitative and qualitative research with data collected through a questionnaire with closed-ended questions (quantitative approach) and semi-structured survey script (qualitative approach) applied in September 2015 to forty subjects (ten for each location) residing in the four municipalities. The qualitative collection results show that 52,5% of the subjects are woman; 70% work; 62,5% work in autonomous activities; 42,5% has incomplete middle school; 92,5% reside in an unpaved place; 92,5% do not have piped water system; 100% has access to electricity; 97,5% do not have sewage system 62,5% live in a wood build house, and 65% already had the opportunity to witness acts against the preservation of the environment. In this qualitative research, the results of the four questions utilizing a semi-structured script place that a sanitary landfill should be built; selective garbage collection at least once a week; an end to disposable bags and the use of cloth bags; the environment should be protected from solid waste; and the research subjects do not agree with taking returnable waste to a collection point. In final considerations, every offender of the environment should be fined.