Pictures were taken by Dustin Poppendieck during a tour of the Arcata Wastewater Treatment Plant on March 6, 2008.
Davis, Mackenzie L., and Susan J. Masten. Principles of Environmental Engineering and Science. New York: McGraw-Hill, 2004.
USGS study on the effects of pharmaceuticals in wastewater effluent:
Pharmaceuticals, Hormones, and Other Organic Wastewater Contaminants in U.S. Streams, 1999-2000: A National Reconnaissance
Kolpin, D.W., Furlong, E.T., Meyer, M.T., Thurman, E.M., Zaugg, S.D., Barber, L.B., and Buxton, H.T.
Environ. Sci. Technol., 36, 6, 1202 - 1211, 2002, 10.1021/es011055j
A concise summary of the Clean Water Act of 1972: