Therefore, it is necessary to use the water from Lampang Provincial Waterworks Authority to set rates and fees for wastewater treatment in Lampang reasonable and fair to the public.
Therefore it is necessary to use the user's information from the provincial Waterworks Authority. Lampang province, so that in determining the rate of wastewater treatment fee in Lampang is appropriate and fair to people.
It is necessary to use the information of the user with water from the Provincial Waterworks Lampang Province in order to determine the Wastewater Treatment Service rates in Lampang municipality. appropriate and fair people.