Bevertalsperre Campingplatz I

Germany Lake 1 - Excellent

Bevertalsperre is a reservoir designated as a bathing water since 2011, located in North Rhine-Westphalia, Germany. The bathing area covers 180 meters of shoreline at the Campingplatz I location. The water body is classified as significantly modified and has been rated as excellent for water quality every year from 2019 to 2022.

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Water

Reservoir (Talsperre) with a surface area of 200 hectares. Maximum depth 22.5 meters. Water temperature ranges from 12.1°C to 23.9°C with a mean of 18.0°C. pH range 7.7–8.6 (mean 8.1). Conductivity 136–142 µS/cm. Water transparency 5.7 meters. Oligotrophic (nutrient-poor). Water exchange time exceeds 30 days. Catchment area 10–100 km². Elevation above 200 meters. Rocky substrate with modified shore structure. Water body is stratified.

Location

Gummersbach, North Rhine-Westphalia. Managed by Oberbergischer Kreis (Rhinisch-Bergischer County). Operator: Wupperverband. UTM coordinates: E 385108, N 5667599.

Water Quality

Water quality classification: excellent (2019–2022). No relevant pollution sources identified. Possible sources assessed as having very low to low relevance include household septic systems, storm water from separate sewers, agricultural drainage, fish pond discharge, and camping facilities. No known microbiological, chemical, or structural contamination in sediments.

Risks

Cyanobacteria blooms were observed in 2013 and 2014. Risk of future cyanobacteria mass development is low. No cercariae (swimmer's itch) reported.