Healthy Davis Together expands wastewater monitoring 2 minute read The city of Davis and Healthy Davis Together announced wastewater sampling equipment will be deployed in 15 additional locations, expanding monitoring to more neighborhoods served by the city’s wastewater collection system. Courtesy map Support Local Journalism Healthy Davis Together is expanding its monitoring of wastewater within the city of Davis in order to better detect any increase in the amount of virus that causes COVID-19 in the city. Since November, wastewater samples have been collected at multiple locations throughout the city’s sewage system and analyzed in the lab of Heather Bischel, an assistant professor in the UC Davis Department of Civil and Environmental Engineering.