Further clouding the picture is the Green Drop report’s introduction of the contender awards. These are given to wastewater treatment works which fulfill all criteria but are disqualified from receiving a 90% score (the minimum for a certification award) because they fail to treat the effluent to minimum standards.
Contender status was awarded to 30 wastewater treatment works in the country, giving the impression their environmental impact is acceptable. However, eight of them failed…