Coastal Aquaculture Authority


Standards for treatment of wastewater discharged from the
aquaculture farms, hatcheries, feed mills and processing units

 

Sl. No. Antibiotics and other Pharmacologically
Active Substances
Final Discharge Point
Coastal Marine Waters Creek or estuarine
courses when the same inland water courses are used as water source & disposal point
1. pH 6.0 – 8.5 6.0 – 8.5
2. Suspended solids mg/1 100 100
3. Dissolved oxygen mg/1 Not less than 3 Not less than 3
4. Free Ammonia
(as NH3-N) mg/1
1.0 0.5
5. Biochemical Oxygen
Demand-BOD
(5 days @ 20 c) Max mg/1
50 20
6. Chemical Oxygen
Demand-COD mg/1
100 75
7. Dissolved Phosphate
(as P) mg/1
0.4 0.2
8. Total Nitrogen (as N) mg/1 2.0 2.0



 

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