Bruchertalsperre Dlrg

Germany Lake 1 - Excellent

Bruchertalsperre is a reservoir bathing water located in the Oberbergischer Kreis district. The water body is classified as a considerably modified water body and has been officially designated as a bathing water since 2011. It covers an area of 46 hectares with a maximum depth of 20.1 metres and a rocky substrate. The bathing area has a beach length of 164 metres.

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Water

Reservoir. Area: 46 hectares. Maximum depth: 20.1 metres. Water temperature ranges from 11.8°C to 24.9°C with an average of 18.4°C. pH value ranges from 7.5 to 8.6 with an average of 8.0. Conductivity ranges from 118 to 130 µS·cm⁻¹ with an average of 125 µS·cm⁻¹. Water transparency: 4.3 metres. Water exchange time: greater than 30 days. Eutrophication level: mesotrophic. Water level fluctuations range from 2.5 to 5.6 metres with an average of 3.6 metres. Catchment area: less than 10 km². Altitude: above 200 metres above sea level.

Location

Bruchertalsperre is located in Gummersbach, North Rhine-Westphalia. The responsible authority is the Oberbergischer Kreis (Upper Bergisches District) with offices at Am Wiedenhof 1–3, 51643 Gummersbach.

Water Quality

Water quality classification: excellent for 2019, 2020, 2021, and 2022. No contamination sources were identified in sediments. No burden from pollution sources negatively affects water quality.

Risks

Risk of cyanobacterial mass development: very low. Risk of macroalgae mass development: very low. Risk of phytoplankton mass development: very low. No cyanobacterial blooms observed in the past four years.