3-5. Maintenance Factors
Regular Inspection and Maintenance
Regular inspections and maintenance are essential for long-term effectiveness of stormwater BMPs. BMPs are also very expensive to repair and replace. Sediment, trash, and other debris can accumulate in BMPs and needs to be removed periodically. If not properly maintained, the BMP will not operate as designed and will not provide effective treatment of stormwater runoff. This jeopardizes water quality and may violate permit conditions. All stormwater BMPs require maintenance, however, the frequency and difficulty of maintenance activities and the equipment needed to carry them out varies. Table 3-2 summarizes the relative level of maintenance required by each stormwater BMP. Inspectors and those overseeing or performing maintenance should be well trained and thoroughly familiar with the as-built plans for each BMP. They should be provided with detailed inspection and maintenance procedures, preferably developed by the designer who is familiar with the as-built plans.
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