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Wastewater Treated Effluent Discharge Standards in Different Countries

According to Environmental Law of Maldives: Environmental Protection and Preservation Act of Maldives, the Maldives only have a very brief Standard for the Discharge of sewage Effluents as follows:

 


Quality Criteria for sewage treatment and disposal systems serving more than 500 people

Population Size Effluent Quality Requirements
0-1000 Substantial removal of grease, oil, fats, and suspended solids
1000-2000
Removal of grease, oil, fats, and suspended solids. Maximum concentration of suspended solids not to exceed 100 mg/l
2000-5000
Maximum concentrations of BOD (5-day) and suspended solids not to exceed 50 mg/l
Over 5000
BOD (5-day) concentration of not more than 20 mg/l and a suspended solids concentration of not more than 30 mg/l

Notes:

(1) The above effluent quality criteria are applicable to situations where effluent is disposed off to ground, or lagoons with an initial dilution ratio of less than 20 to 1

Where the initial dilution ratio at the point of discharge exceeds 20 to 1, the effluent quality requirement shall be as for populations in the range 2000- 5000, i.e. removal of grease oil, fats and sedimentation with a maximum concentration of suspended solids not to exceed 50 mg/l

(2) The authority may specify additional or alternative quality criteria as the case may require


Download the Maldives Environmental Laws related to Effluent Discharge Standards documents in pdf format:

1. Maldives Sewage Disposal Regulations 1996 (File size: 109 Kb)

2. ENVIRONMENTAL PROTECTION AND PRESERVATION ACT OF MALDIVES(File size: 28.5 Kb)


Related links:

1. ENVIRONMENTAL PROTECTION AND PRESERVATION ACT OF MALDIVES
http://faolex.fao.org/docs/pdf/mdv19574E.pdf
2. Maldives Sewage Disposal Regulations 1996. http://faolex.fao.org/docs/pdf/mdv19574E.pdf