Sistiana-Castelreggio

23.6°C Water temp · Jun 9

Italy Coastal 1 - Excellent 23.6°C

Satellite image of SISTIANA-CASTELREGGIO — Satellite image © Esri

Sistiana-Castelreggio is a coastal bathing area in Duino-Aurisina, Friuli Venezia Giulia, featuring pebble beaches serving seaside establishments in the Porto Piccolo residential area. The water quality is classified as EXCELLENT based on monitoring data from 2015-2018, with stable conditions across all bathing seasons. No significant variations in water quality were observed during the monitoring period.

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Water

Coastal marine water. The area is characterized as pebble beaches (spiaggette in ghiaia) along the Costiera water body.

Location

Located in Duino-Aurisina municipality, Trieste province, Friuli Venezia Giulia region. Coordinates: 45.765016°N, 13.632184°E. The bathing area extends approximately 1.051 km along the coast.

Facilities

Toilet facilities, disabled access services, bar/restaurant, first aid station.

Water Quality

Water quality classification: EXCELLENT (reference years 2015-2018). E. coli 90th percentile: 18 CFU/100ml, 95th percentile: 21 CFU/100ml. Intestinal enterococci 90th percentile: 14 CFU/100ml, 95th percentile: 22 CFU/100ml. No quality variations observed across 2015-2018 bathing seasons. No short-duration pollution events recorded in the last four years (2015-2018).

Risks

Marine microphytobenthos (Ostreopsis cf. ovata) presence detected. No algal blooms exceeding threshold values were recorded in the last four years. No cyanobacterial eutrophication phenomena reported. No cases of human health problems recorded. Sistiana treatment plant with submarine outfall identified as potential long-distance pollution source.