The constant flooding in Mapunapuna, Oahu, has affected businesses in an area known for flooding even when it's not raining. The flooding has negatively impacted businesses, particularly those dealing with cars that come into contact with the flood waters, which can cause damage to their vehicles. The workers at All Trans Plus and Herc Rentals have seen this flooding negatively impact their business. The city is looking at various solutions to the problem, including special valves to keep water out during high tides, but the system hasn't been cleaned in years. The businesses have warned against driving through the puddles in the area, citing the impact on cars and their brakes.