Health department receives EPA certification to begin nitrate testing

Jun 2, 2026

The Department reported that after DNR review and SOP corrections, the lab received EPA certification to start testing water samples for nitrates.

The full story

Marquette County health staff reported that the Wisconsin Department of Natural Resources provided documentation from a laboratory audit for nitrate testing. Staff corrected standard operating procedures and resubmitted them; after review the department received EPA certification to begin testing water samples for nitrates.

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