सेरखाय-बेरखाय गोसारनानै थानाय कलिफर्म जिउसा एबा जायगानि क्लरिननि दिन्थिनि बिथायाव दैखौ आनजाद खालामनायजों दैनि गुनखौ जेब्लाबो नोजोर होबाय थानांगौ।
Regular monitoring of water quality by examination of water samples for residual chlorine and/or coliform organisms on a random basis.