Washington, DC

Calcium(Ca): 38.0 ppm
Magnesium(Mg): 9.4 ppm
Sodium(Na): 19.4 ppm
Sulfate(SO4): 32.7 ppm
Bicarbonate(HCO3): 10.0 ppm
PH: 7.5 PH

Notes
Washington DC water profile from the Potomac River. Suburbs may vary.