Characterized by its sand and shingle terrain, Cemaes is a designated bathing area in Isle of Anglesey, Wales. Environmental sampling at the site provides an annual water quality classification of Sufficient. First designated in 1998, this location remains a popular destination for recreational visits.
The shoreline consists primarily of sand, shingle. Sediment type dictates underfoot comfort, wave energy absorption, and the water's clarity when currents stir up the seabed.
Water complies with minimum legal safety limits. However, higher bacterial levels are occasionally recorded, indicating moderate vulnerability to runoff.
Bacterial levels are highly susceptible to storm runoff. Heavy rainfall in the local catchment is likely to trigger storm overflows and agricultural runoff, rendering the water temporarily unsafe.
Tested weekly by the Environment Agency England for bacteria levels (E. coli & Intestinal Enterococci) between May and September.
Monitored as a coastal beach. Coastal beaches are subject to tidal flows and marine dilution, whereas inland lakes/rivers suffer from low water circulation, meaning bacteria can linger longer.
Unknown is the regional utility responsible for waste water treatment, sewage infrastructure, and storm overflow management in this catchment area.
Officially designated as a protected bathing water site in 1998. This designation mandates regular public health monitoring.
Governed under local district sanitation and environmental safety regulations in the Isle of Anglesey area.
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