The answer to 'drainage system turning brown' is that a brown or discolored drainage system is often caused by organic matter buildup, mineral deposits, or bacterial growth. This can happen over time as leaves, grass clippings, and other debris accumulate in the drainage pipes or channels. The brown color is typically an indication that the system is not functioning properly and needs to be cleaned or maintained.
Some common symptoms of a drainage system turning brown include slow draining water, foul odors, and visible discoloration or staining around the drainage areas. To address this issue, you may be able to try a DIY solution like using a drain snake or high-pressure water hose to clear out the blockage. However, if the problem persists or the drainage system is more complex, it's best to call in a professional landscaping or drainage specialist to properly inspect and clean the system.