Monitoring nitrate reduction: hydrogeochemistry and clogging potential in raw water wells.

Environ Monit Assess · 2021 · PMC7862208 · PMID 33543341

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a decreasing trendno p-value reported

Despite a decreasing trend, the Mn 2+ concentration is above the drinking water threshold value of 0.05 mg/l over the entire observation period (Trinkw 2001 ).

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an increasing trendno p-value reported

From 1994 onwards, an increasing trend of the average Fe concentration in the deep wells of water catchment can be observed.

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