Last year the Borough of Conshohocken announced that it would no longer collect grass clippings starting in 2019. Now that its grass cutting season, it has issued a reminder and answers to frequently asked questions.
The big point is that you shouldn’t throw them in the trash (because it will drive up the cost of deposing of trash). There are also a few suggestions on how you can utilize your lawn clippings or dispose of them yourself.
You can find all the information here.