The Tomhannock Reservoir in Pittstown, NY is the drinking water source for Troy, NY, and a subwatershed of the Hudson River. In the summer of 2023, water sample were collected from 3 the tributaries, reservoir, and taps throughout Troy. In the summer of 2023, 60 samples were collected. All samples contained microplastics and concentrations varied considerably from location-to-location and over the summer. Significant variation was observed between samples of different volumes. However, microplastics are ubiquitous in the environment, and contamination from filtered water and airborne deposition resulted in only one sampling date having data that met quality standards (7/26; 12 samples). This work demonstrates the highly variable nature of microplastic pollution in a small watershed of the Hudson River estuary.