we have also reinstated the blue drop, green drop and no drop system for the first time since 2014 to ensure better monitoring of water and wastewater treatment quality.

siphindze futsi sabuyisa luhlelo lweblue drop, lwegreen drop nelweno drop kwekucala kusuka ngemnyaka we2014 kucinisekisa kutsi silandzelela kahle kusetjentiswa nekusebenta kwemanti lasezingeni.
