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Table <br /> Basic Water Monitoring Program <br /> Parametric Coverage and Sampling Frequency <br /> Frequency <br /> Rivers & Lakes & -. <br /> Parameter Streams Impoundaents Estuaries <br /> Temperature monthly quarterly monthly <br /> Dissolved Oxygen monthly quarterly monthly <br /> pH monthly quarterly monthly <br /> i Alkalinity monthly quarterly monthly <br /> Conductivity monthly quarte: ly monthly <br /> Secchi Disc NA quarterly monthly <br /> Salinity NA NA monthly <br /> Turbidity monthly quarterly monthly <br /> BODs monthly quarterly monthly <br /> COD monthly quarterly monthly <br /> Fecal Coliforn monthly quarterly monthly <br /> . Nitrogen - Total monthly quarterly monthly <br /> NO2 + NO3 monthly quarterly monthly <br /> Total Kjeldahl Nitrogen monthly quarterly monthly <br /> Po4 monthly quarterly monthly <br /> ' Total Phosphorus monthly quarterly monthly <br /> Residue, Total monthly quarterly monthly <br /> C: Volatile monthly quarterly monthly <br /> Fixed monthly quarterly monthly <br /> Residue, Suspended monthly quarterly monthly <br /> Volatile monthly quarterly monthly <br /> Fixed monthly quarterly monthly <br /> Metals, Cadmium quarterly quarterly quarterly <br /> Chromium - Total quarterly quarterly quarterly <br /> ;: Cobalt quarterly quarterly quarterly <br /> i Copper quarterly quarterly quarterly <br /> Iron quarterly quarterly quarterly <br /> Lead quarterly quarterly quarterly <br /> Magnesium quarterly quarterly quarterly <br /> Mercury quarterly quarterly quarterly <br /> Zinc quarterly quarterly quarterly <br /> Arsenic quarterly quarterly quarterly <br /> Flow monthly NA NA <br /> Biological annually annually annually <br />