microLAN, based in Waalwijk, The Netherlands, is a company specialized in early warning systems for water quality monitoring, based on light measurements. microLAN has developed a full range of fully automated online monitoring devices for guarding the quality of drinking, surface and process waters. microLAN now supplies three complementary systems that detect Algae, Bacteria and Chemical-Toxicity pollutions. ALGcontrol, TOXcontrol, BACTcontrol. microLAN’s online monitors instantly response to a change in water quality, giving an alarm signal to indicate a possible water pollution.