||Lake St. Croix, Washington County, Minnesota, and St. Croix and Pierce Counties, Wisconsin.
||Pacific Northwest Environmental Research Lab., Corvallis, Oreg.;National Environmental Research Center, Corvallis, Oreg.;National Environmental Research Center, Las Vegas, Nev.;Minnesota Pollution Control Agency, Minneapolis.;Minnesota National Guard, Minneapolis.
Water pollution ;
Lake Saint Croux ;
Inorganic phosphates ;
Inorganic nitrates ;
Primary biological productivity ;
Chemical properties ;
Water quality ;
Water quality data ;
||Some EPA libraries have a fiche copy filed under the call number shown.
Annual total phosphorus and total nitrogen loadings to the lake were estimated and subdivided according to either point or non-point source origin. An assessment of the lake's trophic condition and limiting nutrient is also provided. All data collected by the U.S.E.P.A. National Eutrophication Survey during the one year study of the lake and its tributaries are included in the report.