Supreme Council for Environment, Kingdom of Bahrain
Pollution Control

Conditions and Requirements of the Ground Water Discharge to the Sea

As per the Ministerial order No. 10 of 1999 on Environmental Standards for Air and Water Quality and its amendments, and according to the environmental requirements, establishments are required to comply with following conditions before commissioning the ground water discharge to the sea: 

  1. Send an application to the Licensing Section in the Supreme Council for Environment. EA-8 form should be filled and a map show the discharge location should be attached.    
  2. Contact the Pollution Control Section before two weeks of the commissioning date of the dewatering process, in order to arrange for the sampling witnessing (Short notification will not be accepted). Legal actions will be taken against any illegal or unauthorized discharge.
  3. Arrange with a third party laboratory to take a sample in the presence of the environmental inspector. Discharge must be suspended until the results of the first sample is submitted and received. 
  4. The laboratory report must include the concentration results of the following parameters:
    • Total Suspended Solid (TSS)
    • Ammonical Nitrogen (NH3)
    • Biochemical Oxygen Demand (BOD) 
    • Chemical Oxygen Demand (COD)
    • Total phosphate, Sulfide, 
    • Nitrite (NO2) 
    • Nitrate (NO3)
  5. Discharge can be resumed only if the results are within the allowable limits and after getting the permission from the pollution Control Section. 
  6. Samples must be taken for TSS on a weekly basis in the presence of the environmental inspector.
  7. Reports must be sent to the email address ( within 3 days from the sampling date.