Drinking water quality assessment , Data analysis

Data Analysis and Presentation

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4.1 Demographic characteristics of the respondents (Background Information)

4.1.1 Gender

Mostly the respondents were household heads. In absence of household head, the second person who takes most of the decision in the house hold was also considered as respondents. The proportion of male respondents was slightly higher than the female respondent.

Fig: 4.1.1: Respondent on the basis of Gender

  • Occupation

‘Agriculture’ was the primary occupation of most respondents. In addition to subsistence agriculture, people are also engaged into other occupations. Service oriented activities in public, private and military sectors were included in one category ‘Service’. Respondents who earn their living with seasonal wage labour were categorized as ‘Wage Labour’. Teachers at schools were categorized as ‘Teacher’. The respondents who were involved in trade and business at local level were categorized as ‘Business’. ‘Students’ were those who were currently enrolled in formal education. The ‘Others’ category of occupation includes all other occupation carried out by respondents for their living like coolie, sewing clothes, Butcher, Driving, Foreign employee etc.

About 57% of the respondents were subsistence farmers while others are engaged in off farm activities. The off-farm activities carried out were Business (7%), Student (10%), Service (6%), Wage Labour (5%), Teachers (7%), and Others (8%).

Fig: 4.1.2: Respondent on the basis of Occupation

4.1.3 Employment:

 Respondents who are involved in occupations are employed and those who are not involved in occupations are unemployed. 80% of the respondents were employed and 20% of the respondents were unemployed.

Fig: 4.1.3: Respondent on the basis of Employment

4.1.4 Literacy Rate:

Among the respondents, 15% were illiterate i.e. they had no formal education and 85% were literate i.e. they had received formal education. Among the literate respondents, 30% had received primary education, 45% had received secondary education. 7% had gone to higher school, 3% had received Bachelor degree.

Fig: 4.1.4: Respondent on the basis of Literacy Rate

4.2. Pollution

4.2.1 Drainage System

21% of the respondents had proper drainage system and 79% of the respondents had improper drainage system.

Fig 4.2.1: Drainage System

4.2.2 Disposal of Waste Water

Waste water from domestic activities of the people living on the river basin of Ratuwa was disposed off into public sewage network, into the gutters, onto the streets, into septic tank and channeled into Ratuwa River.

Fig: 4.2.2: Disposal of Waste Water

4.3. Health Effects

4.3.1 Most common Illness

Most common illness found in the respondents was fever, typhoid and diarrhoea. 57% of the respondents suffered from illness and 43% of the respondents were not suffered from any type of illness.

Fig: 4.3.1(a): Most common illness among Respondents

Fig: 4.3.1(b): Response about Diseases

4.4 Physio- chemical parameters

S.N.ParametersUnitSample ASample BSample CSample DSample EMean Value
1pH 7.37.87.57.67.87.6
2Electrical Conductivityµs  271494266495252355.6
3Temperatureºc31.630.731.231.130.831.08
4TDSppm182329177330163236.2
5DO 4.13.42.12.83.83.24

Table: 4.4: Physico-chemical Parameters

Fig: 4.4 (a): pH of different Samples

Fig: 4.4 (b): Electrical Conductivity of different Samples

Fig: 4.4 (c): Temperature of different Samples

Fig: 4.4 (d): TDS of different Samples

Fig: 4.4 (e): DO of different Samples

Fig: 4.4 (f): Mean values of Parameters

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