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The number of times each lake monitoring station is sampled can vary from year to year. The Lakes Monitoring Network is only one of the monitoring programs of the Department of Environment and Local Government (DELG), for more information on other monitoring programs please contact DELG.

To access current lakes quality data and recent trends, please click a station on the map, or one of the parameters listed below.

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GNB Monitoring Station
GNB Monitoring Station (Inactive)

Parameter List

Although many of these chemical elements and physical properties of water are naturally occurring, non-point source runoff, point source discharges, atmospheric deposition, and other human-influenced activities can have an effect on the overall concentrations in surface water.