"retention basins" in German retention basins Rückhaltebecken Retentionsbecken Rückhaltegefäße Detailed translations for "retention basins" retention basins retention basins(also: holding reservoirs, retention reservoirs, retention lagoons, detention basins) Rückhaltebecken{masculine plural} retention basins(also: holding reservoirs, retention reservoirs, retention lagoons, detention basins) Retentionsbecken{masculine plural} retention basins Rückhaltegefäße{masculine plural}