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  1. Ottawa River Kleanup Association (ORKA)

    https://ohiowatersheds.osu.edu/groups/ottawa-river-kleanup-association-orka

    unnecessary debris.  We also host an annual clean up of the Hoffman Road Nature Trail in May.  ORKA is very ...

  2. E. coli

    https://ohiowatersheds.osu.edu/node/1531

    symptoms are common to a variety of diseases, and may be caused by sources other than contaminated drinking ...

  3. pH

    https://ohiowatersheds.osu.edu/node/1492

    plumbing are created when pH levels are above 8.5; while, pH levels below 6.5 may cause aesthetic problems ...

  4. Radon

    https://ohiowatersheds.osu.edu/node/1545

    aeration devices, however, radioactivity collects on the filter, which may cause a handling hazard and ...

  5. News

    https://ohiowatersheds.osu.edu/news

    ...

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