Critical for businesses with a high level of wastewater discharge, this permit, issued by the LLDA, ensures compliance with rigorous environmental standards in order to prevent water pollution. The LLDA ensures that the wastewater discharged by companies are of a certain degree of cleanliness. This is done by treating the wastewater and lowering the amounts of harmful chemicals and bacteria to a certain level. It is a vital document that allows businesses to operate while preventing harm to the environment.