Playa Arnelles Pm1

Spain Coastal 1 - Excellent

Arnelles Beach is a coastal bathing area in Asturias, Spain, located in the municipality of Coaña near the locality of Ortigueira. The beach stretches for 330 meters with a width of 42 meters and features fine golden sand. Water renewal occurs in less than 7 days, and the beach experiences moderate wave conditions with a macrotidal range exceeding 4 meters. The water quality has been classified as excellent in recent years, with a medium-low contamination risk despite the proximity of industrial and port facilities.

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Water

Coastal water body, part of the Navia Costa water mass (160004). Length 330 meters, width 42 meters (highly variable). Fine golden sand composition. Natural origin. Macrotidal range greater than 4 meters. Mean wind speed 5.24 m/s. Current direction west-northwest. Water renewal time less than 7 days. Moderate wave conditions.

Location

Ortigueira locality, municipality of Coaña, Asturias province, Spain. Parking available with fewer than 50 spaces.

Facilities

Lifeguard service (salvamento). Toilets (aseos). Showers (duchas). Good pedestrian access and road access with parking for fewer than 50 vehicles.

Water Quality

Water quality classified as excellent in recent years. Sanitary microbiological quality improved from sufficient to excellent. Low risk of short-term contamination episodes. No historical contamination episodes recorded. Monitoring point PM1 shows excellent sanitary quality results.

Risks

Industrial submarine outfall 1 kilometer away from complex facilities in Navia estuary. Navia estuary 0.6 kilometers away with various discharge types including treated wastewater, industrial discharges, and port-related waters. Seasonal stream discharging at western margin carrying potential residential wastewater. Dredging discharge point 0.4 kilometers away. Wastewater treatment plant discharge 0.8 kilometers away. Risk of brief contamination episodes from currents affecting these sources is low to moderate. Microalgae, cyanobacteria, macroalgae, and jellyfish proliferation risks are null or low. Portuguese man-of-war sightings occur but mainly as isolated specimens.