Natural resources is depleting due to erratic rains and improper management of water. hence there is a need for recharging the dried bore wells through proper utilization of rain water.

1. UTILIZATION OF RAINWATER
Kuntamalla Sujatha Gudimalla Prashanthi,
Asst Professor, Sericulture faculty, Dept of Zoology,
Kakatiya University, Hanamkonda, LB College,
Warangal. Warangal.
Madichetty Sai Abhishek,
Engineer, Bangalore.

2. Though water covers 70% of the earth but only 3% of global water is fresh water.
As a result nearly 1.1 billion people lack assist to water system. Climate change is
one of the factor that is changing the weather and water patterns as a result nearly
2.4 billion people are facing inadequate sanitation problems resulting in exposure
to water borne diseases like cholera, typhoid and diarrhea.
In recent years, water which is a natural resource is depleting due to 1. Erratic
rains 2. Improper management of rainwater thus resulting in drying up a large
number of wells, water pumps at a alarming rate.
Hence, there is a need for collecting rainwater directly or indirectly to improve
the water table. Rain may be considered as primary or ultimate source of water
for rivers, lakes and groundwater.
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M. ABHISHEK

3. Reasons for ground water depletion are:
• Due to urbanization
• Increasing demand /dependence on ground water
• Withdrawing more than recharge
• Reduction of recharge areas due to construction of buildings and roads
• Diminishing water bodies
• Uneven and erratic rainfalls
Therefore it is necessary for recharging the rain water into tanks and
reservoirs, recharge pits trenches and open wells through bore water
recharge technologies. Water can be recharged into the ground by directly
diverting the rain water into any existing systems.
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M. ABHISHEK

4. Depletion of water in Telangana
In 6th meeting of State Ground Water Co-ordination Committee chaired
by irrigation special Chief Secretary it was reported that ground water resources
can be categorized as critical, semi critical and safe districts. Among which
Hyderabad is considered as critical in state of Telangana. He also said that for
increasing ground water availability, ground water extraction should be decreased.
As ground water recharging depends on both quantum of precipitation
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M. ABHISHEK

5. Impact of recharging bore wells through rain water harvesting
• The overall impact is highly beneficial for sericulturist.
• By this method we can increase brushing of silkworms.
• Subsequently the cocoon yield increases due to the high quality mulberry
leaf.
• Profit of 1 acre increases by this method of replenishing water table in dry
areas. Here we are not only increasing water quantity but also help the
sericulturist in enhancing cocoon productivity and also profit benefit ratios.
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M. ABHISHEK

6. Rainwater Harvesting Techniques
• Roof top water collection & recharge
• Recycling of water
• Point recharge
• Bore well recharge soak pit
• Rain water harvesting
• Collapsible water tanks
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M. ABHISHEK

7. 1. Rooftop rain water harvesting technique helps in collecting water from the
roofs and storing in sub surface ground water reservoirs to meet the household
needs.
USES: a. to reduce run of water
b. to avoid flooding of roads.
c. to reduce ground water pollution
d. to increase water table
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M. ABHISHEK

8. 2. Water reclamation or recycling is a process of collecting, treating and using
waste water. After treatment recycled water can be used for irrigation, industries,
reeling, dyeing and bleaching units and domestic purposes.
USES: a. saves energy, helps in retaining water for reuse, increasing water
availability in dry and areal areas, etc.
b. improves the quality of agriculture products through use of valuable nutrients
extracted from waste water
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M. ABHISHEK

9. 3. A bore well point enveloped by cement rings for facilitating recharge. A pit
is dug to a depth of 18 feet and around which cement rings are set and then it is
filled with charcoal, gravel sand with a gap of 2 feet around the pit. Before
recharging the channel water is led into the pit.
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M. ABHISHEK

10. 4. A soak pit at a distance of 10cms from the bore well point is dug of dimensions
with 13’ x 10’ x 10’. Then it is filled with nylon filter mesh, gravel sand, soils and
stones with a gap of 1 feet around the pit.
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M. ABHISHEK

11. 5. Rainwater harvesting Utilization of water for cultivation of mulberry plants
that are fed to silkworms. Through mulberry cultivation, attractive results can be
ensure. But in recent years due to severe water crisis, sericulture farmers are facing
water problems due to depletion of ground water table.
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M. ABHISHEK

12. 6. Collapsible water tanks are easy to store transport water in a waste space.
These tanks are perfectly suitable for hurricane relief efforts, flooding and
natural disasters.
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M. ABHISHEK
ACKNOWLEDGE FROM INTERNET & TEXT BOOKS

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M. ABHISHEK