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Canal Systems & Irrigation in UP
Canal systems, irrigation sources, Upper Ganga Canal, Sharda Canal, groundwater crisis, micro-irrigation — comprehensive irrigation guide for UPSSSC AGTA exam.
Irrigation in Uttar Pradesh
UP is India’s largest agricultural state by production, and irrigation is the backbone of this output. Understanding irrigation sources, canal systems, and challenges is critical for the AGTA exam.
Irrigation Sources — Overview
| Source | Share of Net Irrigated Area | Trend |
|---|---|---|
| Tube wells (groundwater) | ~70% | Increasing — causing depletion |
| Canals | ~20% | Declining share |
| Other sources (tanks, wells, ponds) | ~10% | Minor but locally important |
Key Exam Fact: Tube wells are the single largest source of irrigation in UP, making the state heavily dependent on groundwater.
Major Canal Systems of UP
1. Upper Ganga Canal
| Parameter | Detail |
|---|---|
| Built by | Sir Proby Cautley (British engineer) |
| Commissioned | 1854 |
| Headworks at | Haridwar (from Ganga at Bhimgoda Barrage) |
| Total length | ~560 km (main canal) + 4,800+ km of distributaries |
| Irrigates | Saharanpur, Muzaffarnagar, Meerut, Bulandshahr, Aligarh |
| Irrigated area | ~7 lakh hectares |
| Significance | One of the largest and oldest canal systems in the world |
| Notable feature | Crosses several rivers via aqueducts (e.g., Solani Aqueduct) |
The Upper Ganga Canal transformed the western UP Doab into one of India’s most productive agricultural regions.
2. Lower Ganga Canal
| Parameter | Detail |
|---|---|
| Headworks at | Narora Barrage (Bulandshahr district) |
| Commissioned | 1878 |
| Irrigates | Aligarh, Etah, Mainpuri, Farrukhabad, Kanpur |
| Length | ~8,240 km (including distributaries) |
| Significance | Extends irrigation to central Doab region |
3. Sharda Canal System
| Parameter | Detail |
|---|---|
| Headworks at | Banbasa Barrage (on Sharda/Mahakali river, Uttarakhand border) |
| Commissioned | 1928 |
| Irrigates | Pilibhit, Bareilly, Shahjahanpur, Lakhimpur Kheri, Sitapur |
| Region | Terai and Rohilkhand |
| Significance | Major irrigation lifeline for north-central UP |
4. Agra Canal
| Parameter | Detail |
|---|---|
| Headworks at | Okhla Barrage (Delhi, on Yamuna) |
| Irrigates | Mathura, Agra, western UP |
| Length | ~160 km |
| Built | 1874 |
| Key issue | Severely reduced water flow due to Yamuna pollution and overuse upstream |
5. Eastern Yamuna Canal
| Parameter | Detail |
|---|---|
| Headworks at | Tajewala Barrage (Haryana, on Yamuna) |
| Irrigates | Parts of Saharanpur in UP (mainly serves Haryana) |
| Historical note | Originally built by Firoz Shah Tughlaq (14th century), restored by British |
Comparison of Major Canals
| Canal | Source River | Headworks | Year | Primary Region |
|---|---|---|---|---|
| Upper Ganga | Ganga | Haridwar | 1854 | Western UP (Doab) |
| Lower Ganga | Ganga | Narora | 1878 | Central Doab |
| Sharda | Sharda | Banbasa | 1928 | Terai, Rohilkhand |
| Agra | Yamuna | Okhla (Delhi) | 1874 | Mathura, Agra |
| Eastern Yamuna | Yamuna | Tajewala | 14th century | Saharanpur |
Irrigation Statistics
| Parameter | Value |
|---|---|
| Net sown area | ~166 lakh hectares |
| Net irrigated area | ~130 lakh hectares (~78% of net sown area) |
| Gross irrigated area | ~196 lakh hectares |
| Irrigation intensity | ~150% |
| Rank in India | 1st in total irrigated area |
UP has the highest net irrigated area among all Indian states, which explains its dominance in crop production.
Groundwater Crisis
| Parameter | Detail |
|---|---|
| Problem | Over-extraction of groundwater through tube wells |
| Most affected | Western UP (Meerut, Muzaffarnagar, Aligarh, Agra, Mathura) |
| Water table decline | 1-3 metres per year in critical blocks |
| Over-exploited blocks | ~30% of blocks in western UP classified as over-exploited or critical |
| Cause | Paddy-wheat cycle, free/subsidised electricity for pump sets |
| Fluoride issue | Unnao, Rae Bareli, Agra — deep borewells draw fluoride-rich water |
Micro-Irrigation Push
The government promotes micro-irrigation to combat water waste:
| Method | Detail |
|---|---|
| Drip irrigation | Water delivered directly to root zone through pipes — 90% efficiency |
| Sprinkler irrigation | Overhead spray — 70-80% efficiency |
| Flood irrigation (traditional) | Only 30-40% efficiency — still dominant in UP |
| Government scheme | Pradhan Mantri Krishi Sinchayee Yojana (PMKSY) — “Per Drop More Crop” |
| Target | Increase micro-irrigation area from ~5% to 25% |
| UP subsidy | 80-90% subsidy on drip/sprinkler for small and marginal farmers |
Bundelkhand Irrigation — Special Focus
Bundelkhand (Jhansi, Lalitpur, Hamirpur, Mahoba, Banda, Chitrakoot, Jalaun) is UP’s most drought-prone region.
| Initiative | Detail |
|---|---|
| Ken-Betwa Link | Will irrigate 4.27 lakh ha in UP Bundelkhand |
| Matatila Canal | From Matatila Dam on Betwa |
| Rajghat Canal | From Rajghat Dam on Betwa |
| Bundelkhand Package | ₹7,266 crore central package for water + infrastructure |
| Rainwater harvesting | Check dams, farm ponds promoted through MGNREGA |
Key Takeaways
- Tube wells (~70%) are UP’s primary irrigation source — canal irrigation is only ~20%
- Upper Ganga Canal (1854) is one of the world’s oldest and largest canal systems
- Sharda Canal irrigates the Terai-Rohilkhand belt
- UP ranks 1st in India in total irrigated area
- Groundwater depletion in western UP is a critical challenge
- PMKSY (“Per Drop More Crop”) promotes micro-irrigation
Summary Cheat Sheet
| Fact | Answer |
|---|---|
| Largest irrigation source in UP | Tube wells (~70%) |
| Upper Ganga Canal built by | Sir Proby Cautley (1854) |
| Upper Ganga Canal from | Haridwar |
| Lower Ganga Canal from | Narora Barrage |
| Sharda Canal from | Banbasa Barrage |
| Agra Canal from | Okhla Barrage (Yamuna) |
| Net irrigated area rank | 1st in India |
| Most groundwater-stressed | Western UP |
| Micro-irrigation scheme | PMKSY — Per Drop More Crop |
| Drip irrigation efficiency | 90% |
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