What are the safe levels of contaminants in drinking water for horses?

Jul 31, 2019 | Horses

Water samples should be taken to an lab to determine contaminant amounts.
Following are the recommended safe upper levels of water contaminants:
UPPER SAFE LEVEL
CONTAMINANT

    Arsenic – 0.2 parts per million (ppm)
    Cadmium – 0.05 (ppm)
    Calcium – 500.0 (ppm)
    Chloride – 3,000.0 (ppm)
    Chromium – 1.0 (ppm)
    Copper – 1.0 (ppm)
    Fluoride – 6.0 (ppm)
    Hardness – 200.0 (ppm)
    Iron – 0.3 (ppm)
    Lead – 0.1 (ppm)
    Magnesium – 125.0 (ppm)
    Mercury – 0.01 (ppm)
    Nitrate – 200.0 (ppm)
    pH – 6.0 – 8.5 (ppm)
    Potassium – 1,400.0 (ppm)
    Selenium – 10.0 parts per billion (ppb)
    Sodium – 2,500.0 (ppm)
    Sulfate – 250.0 (ppm)
    TDS(total digestible solids) – 6,500.0 (ppm)
    Zinc – 15.0 (ppm)