Aree

Progress towards achieving the good environmental status of marine waters depends on a series of key factors regulated in Directive 2008/56/EC (MSFD) and implemented in Italy through Legislative Decree 190/2010 (and subsequent amendments). One of the main factors is linked to contamination in waters and organisms and to the progressive elimination of pollution, ensuring that the presence of contaminants does not generate significant impacts or risks for the marine environment. Descriptor 8 of the Marine Strategy Framework Directive 2008/56/EC specifically requires the assessment of the presence of chemical contaminants (D8-C1) and their effects (D8-C2). This is accompanied by Descriptor 9 which provides for the evaluation of the level of contaminants in the edible tissues of fishery products compared to the limits established by Regulation (EU) 2023/915. In 2024, monitoring of the Marine Reporting Unit (MRU) West Mediterranean Sea (MWE). The data collected comes from the specific monitoring carried out by ISPRA and from the institutional monitoring of the experimental zooprophylactic institutes. The definitive evaluation, in relation to the judgement Good Environmental Status (GES), will be processed as soon as all the data produced by the regional agencies are available. With the data available to date, bioaccumulation has a problem linked to exceeding the regulated value of mercury, however from a health point of view a positive opinion is confirmed. This result is in line with what has already been highlighted in past years. For the sediment matrix there is a criticality linked to the presence of TBT and some metals.

The quality of bathing water is essential for the protection of the health of citizens and plays an important role also in terms of the protection of the natural environment and the economic aspects in the tourism sector. For this reason, specific monitoring is carried out throughout the bathing season. With regard to the bathing season 2024, more than 31,600 samples of seawater and lake were collected and analyzed on a total of over 5,000 km of bathing coast. At municipal level the km of coast are divided into more or less extensive bathing waters, for a total of 5,506 bathing waters. The results of the analysis, in addition to guaranteeing the absence of hygienic health risks during the season, have also allowed to classify the waters. The classification was made using the results of the monitoring carried out during the 2024 bathing season and those of the previous three seasons (2023-2022-2021). At the national level, most of the waters are excellent in the classroom (91%), however, however, there are still critical issues due to the presence of water in the low class (1.1%) and not classifiable (1.1%), for which it is not possible to make a quality judgment because most are newly identified and have not completed the 4-year cycle of monitoring, necessary for classification. Even at the regional level, the percentage of water in the excellent and good classes is the highest.

Compliance monitoring allows for an understanding of the technological adaptation status of urban wastewater treatment systems for agglomerations greater than or equal to 2,000 PE (Population Equivalent). This is particularly useful for planning potential actions aimed at water protection.

Between 2022 and 2023, out of the 3,037 agglomerations analyzed, approximately 77% were found to be compliant, 13.8% non-compliant, 4.6% partially compliant, and 4.6% with data unavailable. A 100% compliance rate is recorded in Piedmont, Emilia-Romagna, Umbria, and the Autonomous Provinces of Trento and Bolzano.

The indicator refers to 2022 and is drawn up on the basis of Istat data relating to the last “Nable Review for Civil Use” carried out in 2023 and published in 2024. The information is provided on a national, regional and by hydrographic district, divided in turn into removal from the surface and underground body water. The levy values are compared with those detected in the previous "Nail census for civil use" of 2020. Also in 2022, compared to the previous 2020 census, the water withdrawal for civil use in Italy has decreased slightly.

The "chlorophyll" parameter is the only direct indicator of phytoplankton biomass available and has taken on the role of a metric for classifying ecological status according to the Biological Quality Element (BQE) – Phytoplankton in coastal waters (Ministerial Decree 260/2010). Chlorophyll is particularly sensitive to changes in trophic levels determined by nutrient (N and P) inputs from catchment basins flowing into the coastal area.
In 2020, high status was recorded in 71.4% of cases, good status in 12.3%, and sufficient status in 16.2%. A general improvement in status was observed in Campania and Marche, while Emilia-Romagna and Sardinia saw a worsening. Marche, Liguria, and Abruzzo maintained all stations at high status.