If a steel chlorine tank is used, it must be painted and checked for corrosion every year, and the shelter for the chlorine tank needs to be maintained. Usually, the water committee appoints a caretaker who is trained for such work. The chlorine compound itself must be obtained from a merchant or the health department, and an adequate supply of chlorine compound must be kept in stock. An external organization, such as a government health or water department, will provide training for caretakers and perform monitoring.
'''Potential problems'''<br>
— chlorination is less effective in alkaline water (pH above 8.0);
— when the water contains excessive organic matter or suspended material, it will need to be pretreated;
— the cost and availability of chlorine compounds can be serious limitations;
— chlorination affects the taste of water and for this reason the water may be rejected by consumers who have not been informed;
— on the other hand, users may believe a chlorine taste indicates that the water has been disinfected, but water can still taste of chlorine even when not enough has been added to purify it.
Despite these limitations, disinfecting drinking-water by chlorination is one of the most effective and least-expensive technologies available and should be encouraged.
==Costs==
