Revision summary
The Lower Ganga Canal takes off at Narora Barrage in Bulandshahr. It irrigates the central and lower Ganga–Yamuna doab through Kanpur and Fatehpur branches. It is a surface irrigation system, not a hill power canal. Significance is food security and a possible brake on groundwater mining. Tail-end supply, lining, and drainage decide whether that significance is real.
Model answer
Introduction
The Lower Ganga Canal is a British-era surface system that takes off the Ganga at Narora in Bulandshahr. It is the doab’s second great Ganga canal after the Upper Ganga Canal from Haridwar. Its job is still to wet the central and lower Ganga–Yamuna doab without leaving every field to a tube-well.
Body
Features
- Headworks sit at the Narora Barrage; the main canal then runs south-east through the doab with major branches toward Kanpur and Fatehpur and a command that reaches toward Prayagraj.
- It is a run-of-river irrigation canal with distributaries and minors, designed for rabi and kharif wetting of alluvial plains, not for a hill hydropower story.
- Operation today is a state irrigation duty: lining, roster, and drainage matter as much as the nineteenth-century alignment.
- It sits beside later systems such as Sarda Sahayak; those are neighbours, not the same canal.
Significance
- Reliable canal water underwrites wheat–sugarcane–paddy in the doab and is a food-security feature of the U.P. Budget’s irrigation vote.
- Surface supply can slow groundwater mining where the roster actually reaches the tail, which is the live test in over-pumped western and central blocks.
- Navigation and mill history along the old alignment show why Kanpur’s industrial belt grew on canal and river together.
- The limit is seepage, tail-end denial, waterlogging, and a farmer who still prefers a private tube-well when the canal is late.
Flow diagram
flowchart TD N[Narora Barrage] --> C[Lower Ganga Canal] C --> D[Doab command] D --> F[Food crops] D --> G[Less tube well stress]
Conclusion
The Lower Ganga Canal’s features are Narora headworks, a doab command with Kanpur–Fatehpur branches, and a surface roster. Its significance is food output and a check on groundwater mining. It remains significant only where water reaches the tail, not only the head.
Quick related
Students also ask
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What is the Skill Development Scheme under One District One Product Programme of the Government of Uttar Pradesh?
Next question in the 2023 paper (Q4). View answer →
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Is the Lower Ganga Canal the same as Sarda Sahayak?
No. Sarda Sahayak is a later eastern-plain system. The Lower Ganga Canal is the Narora–doab Ganga canal.
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Does the canal replace all tube-wells?
No. It can reduce pressure. Private tube-wells still run where the roster is late or the field is high.
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