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Development of Watershed Area

Maharashtra Board · Class 10 · Water Security

Complete topic list for Development of Watershed Area in Maharashtra Board Class 10 Water Security. Key concepts, sub-topics, and what to focus on for board exams.

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4 Topics · Maharashtra Board Class 10 Water Security

Topics in Development of Watershed Area

1

1. Watershed Area: Meaning and Planning

  • Watershed area means the whole area where water naturally flows from mountains through small streams and a nallah.
  • Such an area can range from 50 hectares to 500 hectares or more, depending on land elevation.
  • Watershed area development should first prioritize small watershed areas selected according to geographical location.
2

2. Continuous Contour Trenches and Planting on Hill Slope

  • Continuous Contour Trenches are dug according to the slope of the land to block rainwater and make it seep into the soil.
  • If the slope of the land is high, the trenches should be dug nearer together.
  • If the slope is low, the trenches can be dug at a longer distance apart.
3

3. Loose Boulder Structure

  • Loose Boulder structures are small stone causeways laid one below the other along the stream slope to block flowing water.
  • The base level of the upper causeway should equal the head level of the lower causeway.
  • The height of such dams or causeways should be kept up to 2 meters depending on the slope of the land.
4

4. Nala Embankment or Nala Bunding

  • Nala bunding uses earthen or cement causeways across a nala to block and store rainwater flow.
  • If an earthen causeway or dam is constructed, the maximum height should be 4 meters.
  • Black soil should be filled at the bottom of the nala base to prevent seepage.

Key Concepts

Central concept: Watershed Area Development

Watershed AreaSurvey of the AreaTreatment from Highest PointWatershed Area Development TreatmentsContinuous Contour TrenchesLoose Boulder structureNala BundingVanarai check dam

Frequently Asked Questions

What are the important topics in Development of Watershed Area for Maharashtra Board Class 10 Water Security?
Development of Watershed Area covers several key topics that are frequently asked in Maharashtra Board Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Development of Watershed Area — Maharashtra Board Class 10 Water Security?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All 12 chapters — Maharashtra Board Class 10 Water Security Syllabus

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