Test Results: Chlorine Levels at City Water Storage Sites 2022-2023 March 28, 2023 Chlorine-Residuals-at-NTMWD-Treated-Water-Ground-Storage-Reservoirs_2023-maintenance-periods_3-28-2023 chlorine-residuals-at-ntmwd-treated-water-ground-storage-reservoirs_2023-maintenance-periods_3-28-2023 Download Document