pick up the incorrect statement from the following

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Detailed Solution:

Inlets are not provide in every types of sewer. It is provided fot the sewers which are large in size and which are meant to take out the storm water or rain water. But the sewers which are very small in size and only meant to take out domestic sewage are not provided with inlet

Catch basin is an engineered drainage structure with the sole function of collecting rainwater, also it is sometimes used in sewers for carrying drainage discharge.

If you have a property that has low elevation, inlets are a great choice for re-routing unwanted water accumulation. Another advantage of choosing inlets versus catch basins is that inlets do not allow water to remain stagnant within the basin, so you won't have to worry about inadvertently creating a mosquito haven.