Rybník Tvrdkov

Czechia River 1 - Excellent

Rybník Tvrdkov is a small pond located at an elevation of 668 metres with a surface area of 1.2 hectares. It is a cooler water body with good water quality and no identified risks to swimmers. The pond receives between 100 and 200 visitors per day during the bathing season.

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Water

Pond with a surface area of 1.2 hectares and an elevation of 668 metres. The shoreline is characterized by a gentle slope with grassy beach. Basic hydrological characteristic: 0.034.

Location

Operated by the municipality of Tvrdkov. No specific parking information is provided.

Facilities

No facilities provided according to the document. Improvements were planned for 2011 including pier and mobile toilets.

Water Quality

Water quality classification: Satisfactory condition. Microbiological contamination: Good. Phosphorus content meets general requirements long-term and, except for occasional exceedances, meets requirements for bathing area catchments. Chlorophyll a values have been frequently elevated in recent years, occasionally exceeding limits. Water transparency has consistently remained just above the limit in recent years. Cyanobacteria occurrence: Rare and weak. Overall assessment: Long-term risk-free according to regional health authority evaluation.

Risks

Diffuse pollution from livestock grazing on slopes above both banks and at the stream source tributary, with high microbial contamination risk and medium phosphorus input risk. Recreational facilities on both banks present medium risk depending on wastewater handling. Part of the municipality of Dobřečov within the catchment presents low risk due to size and distance. Internal loading from recreational activities and fish stocking presents unknown risk.