Decomposition (6/7) June 19, 2017, 7:38 am Plastic water bottles usually take between 400 to 1000 years to decompose. So all of the water bottles that are not being recycled remain in the environment until then. MoreReport Item navigation Previous View full list Next See more Previous article Manufacturing Process (6/7) Next article Impact on Animals (6/7) Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website