This document outlines a water security planning case study from Chhuanthar Tlangnuam village in Mizoram, India. It describes the village demographics, 6 springs that supply water, and seasonal water availability. Field visits involved mapping resources and social aspects, surveys of households, and water demand calculations. Analysis found water demand exceeds supply in summer. A water security plan was developed to address the gap.

1. Water Security Planning – A Case Study from
Chhuanthar Tlangnuam, Mizoram

2. Field Visit and
introduction to the
issue
Demographic,
Location and Water
resource details
PRA
- S +R Mapping, Social census
- Timeline, Trend Analysis
- Seasonal Availability
-Village level questionnaire
Sampling for HH
Survey
Conduction HH
survey
- Consumption and
Supply (Seasonal)
Water Demand
Calculations (as per
norms and
population)
Data Entry and
Data Analysis
Revisiting any data
gaps after Analysis
Water Security
Plan
The Process

3. Village at a Glance
• State: Mizoram
• Block and District: Serchhip
• Village and Watershed:
Chhuanthar Tlangnuam
• Watershed Area: 347 Ha.
• Total No. of Springs: 6
• Domestic Dependency: 3 Springs
• Irrigation: 2 Springs
• Total no. of HHs: 354
• Total Population: 2445
• Total Male Resident: 1174
• Total Female Resident:1271
• Livestock: 345

4. Spring Inventory Details
Sl No Particulars
Hiahthar
Tuikhur
Kawnpui Lui
Tuikhur
Tuifinriat
Tuikhur
Chhan’s Farm
Tuikhur
1 Spring location (survey no.)
N 23°32’07.3”
E 92°50’37.9”
N 23˚32'6.41"
E 92˚50'39.00"
N 23°31’17.9”
E 92°50’23.1”
N 23˚30'40.1"
E 92˚49'41.2"
2 Type of use Domestic Domestic
Domestic and
Irrigation
Irrigation and
Domestic
3
Discharge rate litres /minutes 4 LPM 4 LPM 8 LPM 75 LPM
If drained completely-recovery
time in days/months
N.A. N.A. N.A. N.A.
Number of days water is
available in the springs
365 365 365 365
Average area irrigated N.A. N.A. 10 Ha 10 Ha

5. Spring Location Map

6. Water Budgeting
Water Demand
Domestic Demand
• Household
• Sanitation
• Livestock
• 55 LPCD – Rural areas till 2025 (NCIWRD, 1999)
Water Supply
• Springs
• Pipeline – Standpost, Private Connections
• Stream

7. Resource Map

8. Social Map

9. Time Line

10. Time Trend Analysis

11. Rainfall of Serchhip District
Rainfall data
Year Total Annual Rainfall (cm)
2002 171.19
2003 124.49
2004 207.80
2005 162.78
2006 280.25
2007 140.75
2008 120.52
2009 149.35
2010 121.00
2011 157.30
Ref:Climate and Weather report of Mizoram State, 2016

12. 171.19
124.49
207.80
162.78
280.25
140.75
120.52
149.35
121.00
157.30
0.00
50.00
100.00
150.00
200.00
250.00
300.00
2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
R
a
i
n
f
a
l
l
i
n
m
m
Year
Total Annual Rainfall (cm)
Total Annual
Rainfall (cm)
163.54 cm

13. Water Supply and Demand for May 2018
0
20000
40000
60000
80000
100000
120000
140000
Water Supply in litre Water Demand in litre
(55 LPCD)
Series1 23040 134475
23040
134475
Litres/Daay
Water Supply and Demand of Chhunthar Tlangnuam

14. Seasonal Water Budgeting
0
60000
120000
180000
Consumption
(70 LPCD)
Demand (55
LPCD)
Supply
Litres/Day 171150 134475 23040
Summer Season
0
40000
80000
120000
160000
Consumption
(42 LPCD)
Demand (55
LPCD)
Supply
Litres/Day 102690 134475 141120
Winter Season
0
60000
120000
180000
Consumption
(56 LPCD)
Demand (55
LPCD)
Supply
Litres/Day 136920 134475 175680
Monsoon Season
• Consumption Per Day= LPCD Limit
from Household Survey X Total
Population.
• Demand Per Day = LPCD Limit X Total
Population
• Supply per Day = Discharge of Water
Source in LPM X 60 X 24