NMWD To Begin Annual Water Quality Flushing
(Posted January 23, 2023) North Marin Water District will begin its annual water main flushing program starting late January 2023. This is a standard practice to ensure there is no degradation in water quality and to maintain an adequate chlorine residual (disinfectant) which helps prevent any bacterial growth in the pipelines. Customers may temporarily experience low water pressure or a slight, but harmless color in their water when the flushing is conducted in their neighborhood. This is an annual practice that has been put on hold for the last couple of years due to drought. NMWD crews have developed specific routes and use isolation valves to maximize results using the least amount of water possible. Flushing is performed in the winter months when there is a sufficient water supply for the task.