This is very unlikely. A typical grinder tank installed by Brunswick County has over 360 gallons of capacity above the point that the alarm comes on. Most single-family residential houses use much less water than during a typical day when showers, washers, dishwashers, etc. are being used. During a storm where power is lost, water usage is reduced considerably. Usually, showers, washers, dishwashers, etc. are not used when the power is out, thus extending the time it takes to fill the grinder tank.