Test Results: Chlorine Levels at City Water Storage Sites 2018-2019 April 3, 2019 Chlorine-Residuals-at-NTMWD-Treated-Water-Ground-Storage-Reservoirs_2019-2018-maintenance-periods_Apr3 chlorine-residuals-at-ntmwd-treated-water-ground-storage-reservoirs_2019-2018-maintenance-periods_apr3 Download Document