Water quality at Europe's beaches has steadily improved in recent years, with the vast majority boasting excellent quality, a new report said Monday.

Among 22,295 bathing spots studied in 2019, 84.6 percent had "excellent" water quality, the report published by the European Environment Agency (EEA) found.

Since 2013, the number of sites in this category has risen by 2.2 points to 87.4 percent for coastal bathing waters, and by 2.6 points to 79.1 for inland bathing waters.

Researchers studied the water for bacteria indicating pollution caused by sewage or water drainage from farms.

Water quality can be classified as "excellent," "good," "sufficient," or "poor" depending on the level of faecal contamination detected.

Polluted waters can, if ingested, cause illness, including gastrointestinal problems and diarrhoea.

Countries with waters qualified as "poor" should ban bathing or advise against it, the EEA said.

Albania registered the highest number of sites with poor water quality, at 5.9 percent, but the number has nonetheless been halved in four years thanks to the construction of water treatment plants.

Water quality tends to be better in coastal areas, thanks to their capacity for self-purification.

"Moreover, many central European inland bathing water sites are situated on relatively small lakes and ponds as well as low flow rivers, which, especially in the summer, are more susceptible than coastal areas to short-term pollution caused by heavy summer rains," the report said.

Cyprus topped the report, with 99.1 percent of its beaches boasting excellent water quality.

The EAA noted that in general, beaches on the Mediterranean tended to have cleaner water.