Cottonwood River near New Ulm
Parameter	WQ Standard	Mar-Apr	May-Jun	Jul-Aug	Sep-Oct	Winter	All data

Total Phosphorus	none*	50	23	29	20	13	27
Fecal Coliform	200 CFU/100 mL	40	51	65	56	50	53
Nitrate & Nitrite -N	10 mg/L	7	7	0	0	0	3
Turbidity	25 NTU	43	27	25	0	0	17
Dissolved Oxygen	5 mg/L	0	0	0	0	0	0
BOD5	5 mg/L	29	28	45	36	14	31

* Values in this row represent the percent of samples that exceed 0.25 mg/L, the mean concentration of total phosphorus in the Minnesota River.

Last Updated on 11/2/97
By Ananda Mallawatantri
Email: ananda@soils.umn.edu