Posted Dec 20, 2021, 3:28 pm Click photo to enlarge Angel Breault, creator of the Reconciliation on the River stewardship project, pulls a Styrofoam Polar Pop out of the downtown reach of the Santa Cruz River on Sunday, Sept. 26, 2021. Styrofoam cups are one of the most common pieces of trash found in the river. - Madison Beal This summer Tucson experienced its third-wettest monsoon season in recorded history.