The Fox River (Waukesha, Wisconsin) was monitored to determine a water quality baseline before flow is reduced due to no further discharge (approximately 6 MGD) from the Waukesha Clean Water Plant (CWP) as of 2023. For the water quality study, baseline parameters measured were pH, temperature, alkalinity, dissolved oxygen, trace metals (Cr, Cd, Pb, Zn, Ni), base cations (Na, K, Ca, Mg), and common anions (Cl-, SO42-, NO3-, Br-, PO43-). The river water samples were analyzed using a pH probe, test kits (DO, ALK), Ion Chromatography (anions), and Inductively Coupled Plasma - Mass Spectrometry (trace metals, base cations). Additionally, a survey of PPCPs was analyzed in collaboration with the UW-Milwaukee School of Public Health. The initial analysis of summer 2019 samples showed similarity to the summer 2018 study. The river was aerobic (DO 6-10 ppm) and highly buffered (ALK 180-320 ppm) with high levels of chloride (&gt;130 mg/L) and no measurable trace metals. PPCPs were detected at part-per-trillion levels for detected compounds. Sampling episodes will continue through the fall and winter months to determine seasonal impacts on water quality.

Monitoring baseline water quality characteristics of the Fox River in southeastern Wisconsin

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

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