Water Quality Data for Separate and Combined Sewer Systems, including:

Biochemical Oxygen Demand (mg/L) Tot. Suspended Solids (mg/L) Cyanide (mg/L) Cyanide Free (Low Level) (ug/L) Cyanide Amenable (mg/L) Antimony (mg/L) Arsenic (mg/L) Beryllium (mg/L) Cadmium (mg/L) Calcium (mg/L) Chromium (mg/L) Cobalt (mg/L) Copper (mg/L) Iron (mg/L) Lead (mg/L) Magnesium (mg/L) Molybdenum (mg/L) Nickel (mg/L) Selenium (mg/L) Silver (mg/L) Strontium (mg/L) Thallium (mg/L) Tin (mg/L) Titanium (mg/L) Vanadium (mg/L) Zinc (mg/L) Nitrite as N (mg/L) Ammonia as N (mg/L) Nitrate + Nitrite (mg/L) Total Kjeldahl Nitrogen (mg/L) Total Phosphorus (mg/L) COD (mg/L) Nitrate as N Calc (mg/L).

This dataset is associated with the following publication: Butzlaff, A.H., J. Deighton, T. Le, A. Brougham, S.M. Bessler, T. McKnight, and M. Ateia. PFAS, 6-PPD-Q, and microplastics in urban sewer overflows: co-occurrence and high-rate treatment assessment .. NATURE. Nature Portfolio, Berlin, GERMANY, 1: 5, (2025).