logo and link to usgs homepage

subbasin yields of fecal-coliform bacteria and annual subbasin yields of sodium, nitrogen, and phosphorus in Cambridge drinking water source area

 

Figure 4. Median instantaneous subbasin yields of fecal-coliform bacteria (A) and annual subbasin yields of (B) dissolved sodium, (C) total nitrogen, and (D) total phosphorus for streams in the Cambridge, Massachusetts, drinking-water source area.

BACK