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Table 2 Physical analysis of water samples collected from the sampling points

From: Assessment of the impact of abattoir effluent on the quality of groundwater in a residential area of Omu-Aran, Nigeria

Parameters

Units

Sampling points

WHO [23]

Well 1

Well 2

Well 3

Well 4

Well 5

Control well

Temperature

°C

26.87 + 0.47a

26.80 + 0.56a

26.73 + 0.68a

26.90 + 0.53a

26.83 + 0.68a

26.70 + 0.66a

< 40

pH

 

6.95 + 0.10a

6.92 + 0.33a

7.65 + 0.34b

7.14 + 0.06a

7.07 + 0.64a

6.89 + 0.10a

6.5–8.5

Turbidity

NTU

0.00 + 0.00a

0.00 + 0.00a

1.67 + 0.06a

2.00 + 0.13a

2.00 + 0.24a

0.00 + 0.00a

 

Electrical conductivity

μs/cm

547.00 + 17.00c

511.67 + 69.03bc

431.87 + 28.31a

469.00 + 19.16ab

464.00 + 10.44ab

433.33 + 38.27a

1000

TDS

mg/L

225.00 + 5.00b

227.67 + 8.73bc

205.00 + 5.00a

230.00 + 10.00c

216.67 + 3.51ab

225.00 + 6.00b

500

TSS

mg/L

75.00 + 2.55b

75.55 + 1.57b

68.50 + 2.35a

76.70 + 4.55b

72.00 + 5.00ab

75.00 + 3.50b

35

  1. For each parameter, means with the different letters (superscripts) are significantly different (p < 0.05), using Duncan’s multiple range test