Gaujas Upe, Siguldas Pilsētas Peldvieta

Latvia River 2 - Good

Siguldas city bathing site on the Gauja River in Latvia. The bathing water profile was developed by the Public Health Division of the Health Inspectorate's Surveillance Planning and Development Department in collaboration with the Water Division of the Latvian Environment, Geology and Meteorology Centre. The profile analyzes factors affecting or potentially affecting bathing water quality to predict necessary management measures ensuring at least adequate water quality.

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Water

River (Gauja upes)

Location

Siguldas city, Gauja River

Water Quality

Water quality is assessed according to Directive 2006/7/EK using microbiological criteria: Escherichia coli and intestinal enterococci. Long-term quality assessment uses four-class scale: excellent, good, sufficient, and poor quality. Operational assessment determines bathing prohibition when E. coli exceeds 3000 CFU/100 ml or intestinal enterococci exceeds 500 CFU/100 ml. For long-term assessment of inland waters over four bathing seasons: excellent quality requires enterococci ≤200 CFU/100 ml (95th percentile) and E. coli ≤500 CFU/100 ml (95th percentile); good quality requires enterococci ≤400 CFU/100 ml and E. coli ≤1000 CFU/100 ml; sufficient quality requires enterococci ≤330 CFU/100 ml (90th percentile) and E. coli ≤900 CFU/100 ml (90th percentile).

Risks

Potential for blue-green algae bloom (zilaļģu masveida savairošanās). Bathing is prohibited if excessive blue-green algae proliferation is observed. Fecal pollution from wastewater discharge is a primary concern.