Arpa Data — Underground Waters — Quality status

Determination of groundwater quality status:1)in individual piezometers (sampling points): by comparing observed concentration values with table normative values2) over the whole body of groundwater: by assessing the extent of the area of possible exceedances found in the individual piezometers. The implementation of this measure is required by the legislation in force (Legislative Decree 30/09).The quality status is:(a)good on 3 water bodies sotterranei:piana of Morgex, plain of Verrès and plain of Pont Saint Martin.b)lack on the plain of Aostac) not determined at the moment, due to scarcity of sampling points, in the basins of Chatillon and Courmayeur