From the ISPRA / SNPA Data Yearbook: the health situation of rivers, lakes and coastal marine environment

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Quality of inland waters in Italy: out of 7,493 rivers, 43% achieve the quality objective for ecological status, 75% for chemical status. Out of a total of 347 lakes, only 20% reach the quality objective for ecological status, 48% of the lakes reach the one for the chemical status. Where are they located? The rivers that at regional level reach the objective of good quality are situated in the Bolzano Province (94%), Valle d'Aosta (88%),Trento Province (86%), Liguria (75%); those with a good chemical status of over 90% are found in Molise, Piemonte, Valle d'Aosta, Liguria, Emilia-Romagna, Umbria, Marche, Lazio, Abruzzo and the autonomous provinces of Trento and Bolzano.
From the ISPRA / SNPA Data Yearbook: the health situation of rivers, lakes and coastal marine environment
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