Test Results: Chlorine Levels at City Water Storage Sites 2021-2022 March 29, 2022 Chlorine-Residuals-at-NTMWD-Treated-Water-Ground-Storage-Reservoirs_2022-maintenance-periods_03-28-2022 chlorine-residuals-at-ntmwd-treated-water-ground-storage-reservoirs_2022-maintenance-periods_03-28-2022 Download Document