Ch. 0. Appendix A

APPENDIX A Minimum water quality standards Used for the conveyance of private rural property connected to a private supply    Analyte MCL* MCL/SMCL** Limit Det. Units Calcium 1 mg/L Magnesium 1 mg/L Sodium 3 mg/L Hardness as CaCO3 mg/L Total Alkalinity as CaCO3 mg/L Chloride (250) 250 Sulfates 750 deferred 3 mg/L Nitrates + Nitrites as N 10 10 0.05 mg/L Fluoride (2) 2 mg/L Conductivity pH (6.5-8.5) Total Dissolved Solids, Summation 1500 6.5-8.5 pH Units Iron (0.3) 500 mg/L Manganese (0.05) Lead, First draw (0.015) TT/0.015 0.002 mg/L Copper, First draw (1.3) TT/1.3 0.1 mg/L Lead, Second draw (0.015) TT/0.015 0.002 mg/L Copper, Second draw (1.3) TT/1.3 0.l mg/L Zinc (5) 5 mg/L Corrosivity (Non-Cor) Non-Cor LI Units Total Coliform Negative Negative /100ml Total Coliform Negative Negative /100ml   1.  Analytes in BOLD shaded ares represent the minimum requirement for private water supplies serving a single residence.   2.  Analytes in parentheses are recommended, in addition to those in #1, for private water supplies connected to a single residence but required for private supplies serving multiple residences below those regulated under the Safe Drinking Water Act.   3.  If first draw lead and/or copper data exceeds recommendations, the data should ONLY be used to warn buyers or renters and make suggestions to minimize exposure. *MCL - Maximum Contaminant Level **SMCL - Secondary Maximum Contaminant Level