Characteristics for Water Discharged into Irrigation Systems

BioClean Cyclo purified household wastewater complies with the Thai standards for water discharged into irrigation systems. It even complies with the European Standards for bathing water. You can safely reuse it for irrigating your garden or golf-course, washing your car, flush, and much more.

Parameter  Units  BioClean Cyclo Standard Values
(Range or Maximum Permitted Values)
1. pH - 6.6 6.5-8.5
2. Conductivity µMole/cm 2,000 2,000
3. Total Dissolved Solids (TDS) mg/l max. 500 1,300
4. Biochemical Oxygen Demand (BOD5) mg/l max. 2 20
5. Suspended solids (SS) mg/l max. 5 30
6. Permanganate (PV) mg/l max. 3 6.0
7. Sulphide (as H2S) mg/l max. 1 1.0
8. Cyanide (as HCN) mg/l max.0.1 0.2
9. Fat, Oil and Grease mg/l max.1.0 5.0
10. Formaldehyde mg/l max. 0.5 1.0
11. Phenol & Cresols mg/l max. 0.5 1.0
12. Free chlorine mg/l max. 1.0 1.0
13. Pesticides mg/l 0 None
14. Radioactivity mg/l n/a* None
15. Colour and Odour mg/l n/a* Not objectionable
16. Tar mg/l 0 None
17. Heavy metals      
  • Zinc (Zn)
 mg/l max. 1.0 5.0
  • Chromium (Hexavalent)
 mg/l max. 0.1
 0.3
  • Arsenic (As)
 mg/l max. 0.1 0.25
  • Copper (Cu)
 mg/l max. 0.5 1.0
  • Mercury (Hg)
 mg/l 0 0.005
  • Cadmium (Cd)
 mg/l 0 0.03
  • Barium (Ba)
 mg/l max. 0.5 1.0
  • Selenium (Se)
 mg/l 0 0.02
  • Lead (Pb)
 mg/l 0 0.1
  • Nickel (Ni)
 mg/l max. 0.1 0.2
  • Manganese (Mn)
 mg/l max. 0.1 0.5
Remarks
* The value for the BioClean Cyclo is 0 or n/a because it neither reduces nor increases the value of the water used. The BioClean Cyclo wastewater treatment system is offered for household wastewater. The water supply of households has stricter quality standards as the standards listed here for water discharged into irrigation systems. Consequenly the BioClean Cyclo purified wastewater complies with the standard for this parameter.
Source for quality standard
Pollution Control Department Thailand, Summarized from Royal Irrigation Department Order No. 883/2532 (1989), dated 19 December B. E. 2532 (1989)

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