Localita` Tre Ponti

Italy Lake 2 - Good

Tre Ponti - Bel Sito is a bathing area on Lake Maggiore in Verbania, Piedmont. The beach is a pebbly shore with a gentle slope, measuring 36 metres in width. The bathing water is classified as Good based on routine monitoring samples from 2020-2023. The area is freely accessible, located south of Via Troubezkoy and bordered by a small reed bed.

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Water

Lake Maggiore. The bathing area covers 0.375 km² at an altitude of 197 metres above sea level.

Location

Verbania, Piedmont, Italy. The bathing area is located south of Via Troubezkoy on Lake Maggiore. Nearest town is Verbania in the Verbano Cusio Ossola province.

Water Quality

Classification: Good. Based on 18 routine samples from 2020-2023. Escherichia coli 90th percentile: 24.1 MPN/100 ml, 95th percentile: 36.8 MPN/100 ml. Enterococci 90th percentile: 130.8 MPN/100 ml, 95th percentile: 234.1 MPN/100 ml. The bathing water falls within the homogeneous area Maggiore 8 with medium-high pressure class due to high density of sewage pipes. Three streams within 500 metres may influence water quality. Scattered houses upstream may not be connected to the sewer network. Boats may release mineral oils or fuel.

Risks

Heavy rainfall can trigger overflow structures and accidental failures of pumping installations, resulting in untreated effluent entering the lake. Inadequate management of the sewage network is a potential pollution source. Three streams within 500 metres of the bathing area could influence water quality.