What is the maximum recommended life for a temporary sediment trap?

The maximum recommended life for a temporary sediment trap is generally recognized as 18 months. This time frame is based on the understanding that sediment traps are designed for short-term use, primarily during construction activities or land disturbances where sediment control is essential.

After this period, the efficiency of the sediment trap in controlling and capturing sediment tends to decrease significantly. Risks of clogging and reduced capacity increase over time, which can lead to ineffective sediment control. Additionally, sediment traps that are in place for too long can become environmentally detrimental themselves, as they may disrupt natural hydrologic patterns and habitats. Thus, the 18-month guideline serves to ensure that sediment traps are regularly evaluated and maintained, and replaced as needed, to ensure continued efficacy in controlling sediment runoff.