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  1. Total Coliform Bacteria (Counts)

    https://ohiowatersheds.osu.edu/node/1528

    is not working properly. Improperly maintained treatment devices can be sources of contamination. ... properly constructed private water wells. In Ohio continuous disinfection is not permitted to be installed ...

  2. Total Coliform Bacteria

    https://ohiowatersheds.osu.edu/node/1529

    means the disinfection system is not working properly. Improperly maintained treatment devices can be ... may be installed on properly constructed private water wells. In Ohio continuous disinfection is not ...

  3. Turbidity

    https://ohiowatersheds.osu.edu/node/1496

    effects of high turbidity but it will not prevent them. Eliminating the source of the problem is the only ...

  4. Cryptosporidium (protozoan)

    https://ohiowatersheds.osu.edu/node/1532

    blooded animals. Assumed to be in untreated surface water. Not typically found in properly constructed ...

  5. Giardia lamblia (protozoan)

    https://ohiowatersheds.osu.edu/node/1533

    animals. Assumed to be in untreated surface water. Not typically found in properly constructed water wells. ...

  6. Phosphorous

    https://ohiowatersheds.osu.edu/node/1538

    Phosphorus is relatively immobile in soil and will not reach groundwater except under certain conditions, ...

  7. Calcium

    https://ohiowatersheds.osu.edu/node/1498

    GENERAL INFORMATION Calcium does not pose a health risk to humans. In fact, calcium and magnesium ...

  8. Hardness as CaCO3

    https://ohiowatersheds.osu.edu/node/1500

    GENERAL INFORMATION Hardness does not pose a health risk to humans. In fact, calcium and magnesium ...

  9. Fecal coliform

    https://ohiowatersheds.osu.edu/node/1530

    maintenance, repair, or replacement. When the presence of E. coli is recurrent, it is not recommended that ...

  10. Alkalinity

    https://ohiowatersheds.osu.edu/node/1497

    does not pose a direct health risk. AESTHETIC EFFECTS High alkalinity (above 500 mg/l) is usually ...

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