Dimapur’s poor drainage system

Monsoon rains have become a recurring problem for Dimapur’s residents. Even a short spell of heavy rain is enough to flood large parts of the city, exposing once again the serious weakness of its drainage and flood management systems. Low lying areas are the worst affected, while neighbourhoods through which nallahs and canals pass face the constant threat of overflowing water. Blocked, poorly maintained or nonexistent roadside drains only make matters worse. Every monsoon brings back the same scenes. Colonies are submerged under knee deep water, roads turn into streams and some stretches resemble ponds. Homes and business establishments are flooded, traffic is disrupted and normal life comes to a halt. These scenes have become so familiar that there is a danger of accepting them as unavoidable. They are not. Heavy monsoon rain may be natural, but much of the flooding in Dimapur is the result of poor planning, inadequate drainage and years of neglect. The recurring waterlogging is therefore more than an inconvenience. It is a serious urban problem affecting public health, property, business and the overall quality of life. Floodwater entering residential areas often mixes with sewage and waste, creating conditions for disease. Families suffer damage to homes and belongings, while shops and small businesses lose income. The economic cost may never be properly calculated, but residents pay the price every year. With a population of around 1.7 lakh, Dimapur can no longer afford to manage flooding through temporary measures. Heavy rainfall causes nallahs and canals to swell rapidly, flooding low lying areas. Encroachment along natural waterways, construction without adequate drainage and the narrowing or blockage of water channels have increased the city’s vulnerability. What was once a natural system for carrying rainwater has gradually become unable to handle the volume of water during intense rainfall. Government response has remained inadequate despite the predictable nature of the crisis. Insufficient funding may be one factor, but poor planning and weak coordination among departments are equally serious problems. Drainage, roads, land use, waste disposal and flood control cannot be treated as separate issues because each affects the other. Clearing a drain in one locality achieves little if the water has nowhere to flow further downstream. Dimapur therefore needs a comprehensive drainage and flood management plan based on its topography, existing waterways and changing rainfall patterns. Existing drains must be regularly cleared and widened where necessary. New drains should be constructed in areas where none exist, while nallahs and canals must be cleaned, protected from encroachment and kept free for the natural flow of water. Authorities must also prevent indiscriminate dumping of waste into drains and waterways. Community organisations and residents can contribute by keeping neighbourhood drains free of waste and reporting blockages and encroachments. However, civic responsibility cannot become an excuse for government failure. The primary responsibility for planning, building and maintaining urban infrastructure rests with the authorities. Dimapur cannot continue waiting for another monsoon before remembering its drainage problem. Temporary repairs after flooding are no substitute for long term planning. The rains will return every year, but widespread flooding need not return with them. What is required is political will, proper planning, adequate funding and coordinated action before the next heavy downpour once again turns Dimapur into a city struggling under water.