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Why do I see water accumulate on some roads during heavy rain events?
Certain systems use large stormwater ponds to retain excessive volumes during extreme peak events. Other locations where stormwater pond sizes are limited, the roadway functions as the storage area. Both types of systems are standard practices and acceptable designs. Residents may be concerned that they see water coming up their driveway but this is not a problem. In some cases, water could accumulated up to a foot based on the severity of the rain event. The waters will subside as the event passes and the outlets clear. If conditions dictate for safety purposes, consideration will be given to temporarily closing roads.
Homes are built with multiple barriers to prevent water from entering them. The home’s sanitary drain should be equipped with a functioning backwater valve in the event the Town’s sanitary sewer system is temporarily surcharged. Any rainwater that lands on a home should be directed away by overland grading. Any stormwater that eventually seeps down into the footing system would be discharged through the sump pump. Sump pits that are inundated with water quickly during a rain eventcould be a sign of a problem with the home’s private internal/external plumbing system and should be addressed by the homeowner immediately.