The mission of Centre County Pennsylvania Senior Environmental Corps (CCPaSEC) is to develop and support teams of senior citizens who gather and publish data on the quality of water in the streams of Centre County. Through public outreach, with the assistance of the ClearWater Conservancy and the Centre County Conservation District, CCPaSEC seeks to keep the public informed of the importance of clean water and how the management of civil and natural resources affects the quality of streams in the county.

The members of CCPaSEC are divided into 10 teams of three to five members to monitor streams in the county's five main watersheds, measuring temperature, stream flow, pH, alkalinity, nitrates, dissolved oxygen, sulfates, and conductivity monthly. Twice a year macroinvertebrate counts are made. Data from each of the 20 sites is posted on CCPaSEC's website. CCPaSEC's active schedule and interesting procedures have drawn members of various backgrounds into a close-knit group.

Members meet monthly for training, quality control instruction, data analysis, and to explore cooperative projects with ClearWater Conservancy, the Centre County Conservation District, and the PA Department of Environmental Protection.