CHARACTERIZING AND MONITORING A HIGHLY PRODUCTIVE AQUIFER IN A TEACHING WELL FIELD ON THE CENTRAL CONNECTICUT STATE UNIVERSITY’S MAIN CAMPUS
Stratigraphic analysis from borehole samples show a disturbed overburden soil layer containing mudstone and sandstone fragments, underlain by sandy to gravelly sediment, indicating unconfined aquifer materials. Geochemical analysis of the aquifer material provides information about its chemical nature and water chemistry, which is sampled on a weekly basis. Water chemistry data varies with application of road salt during snowstorm events, with concentrations of chloride (393.795 mg/L), nitrate (6.526 mg/L), and sulfate (25.04 mg/L) observed after the first snow storm of the season. Water level fluctuation in the wells, measured using HOBO data logger pressure transducers, correlate with precipitation events with little to no delayed response, indicating a high infiltration rate. After each recharge event, water levels show a consistent decline curve. Daily fluctuations of rising and falling water depth depict influences of earth tides in the aquifer.
Data monitoring will continue indefinitely to provide a long-term record. These data are continuous, and will be used to provide a detailed evaluation of the influence of human activities and aquifer material on the quality of water from the monitoring wells over time, as well as documenting a background data set for use in teaching and professional development.