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National Water Act, 1998 (Act No. 36 of 1998)

General Authorisations in terms of Section 39 of the National Water Act

2. Engaging in a controlled activity, identified as such in Section 37(1): Irrigation of any land with waste or water containing waste generated through any industrial activity or by a waterwork

2.7 Irrigation with wastewater

 

A person who—

i) owns or lawfully occupies property registered in the Deeds Office as at the date of this notice; or
ii) lawfully occupies or uses land that is not registered or surveyed,

outside of the areas as excluded in paragraph 2.4 above, may on that property or land

 

1) irrigate up to 500 cubic metres of domestic or biodegradable industrial wastewater on any given day, provided the—
a) electrical conductivity does not exceed 200 milliSiemens per metre (mS/m);
b) pH is not less than 6 or more than 9 pH units;
c) Chemical Oxygen Demand (COD) does not exceed 400 mg/I after removal of algae;
d) faecal coliforms do not exceed 100 000 per 100 ml; and
e) Sodium Adsorption Ratio (SAR) does not exceed 5 for biodegradable industrial wastewater.

 

2) irrigate up to 50 cubic metres of biodegradable industrial wastewater on any given day, provided the—
a) electrical conductivity does not exceed 200 milliSiemens per metre (mS/m);
b) pH is not less than 6 or more than 9 pH units;
c) Chemical Oxygen Demand (COD) does not exceed 5 000 mg/I after removal of algae;
d) faecal coliforms do not exceed 100 000 per 100 ml; and
e) Sodium Adsorption Ratio (SAR) does not exceed 5 for biodegradable industrial wastewater.