Quality and Safety of Rural Community Drinking Water Sources in Guto Gida District, Oromia, Ethiopia

Table 12

Pearson’s correlation coefficient showing relationship among physicochemical and bacteriological parameters.

Parameter	Color	Turbidity	Temperature	pH	EC	TDS	Iron	Fluoride	Manganese	Nitrate	Phosphate	Sulphate	Zinc	lead	TC	FC
Color	1
Turbidity	0.09	1
Temperature	0.09	0.03	1
pH	0.12	−0.08	−.15	1
EC	0.14	0.13	0.84	−0.28	1
TDS	0.30	0.19	0.66	−0.30	0.78	1
Iron	−0.06	0.42	0.033	−0.65	0.09	0.16	1
Fluoride	−0.33	0.022	0.329	−0.711	0.424	0.253	0.598	1
Manganese	0.105	0.38	0.21	−0.46	0.21	0.09	0.76	0.59	1
Nitrate	0.16	0.20	0.34	0.14	0.54	0.57	−0.22	−0.14	−0.30	1
Phosphate	−0.11	−0.04	0.18	−0.24	0.03	0.07	0.39	0.43	0.36	−0.35	1
Sulphate	0.01	−0.05	−0.15	−0.48	−0.02	0.09	0.10	0.01	−0.01	0.08	0.16	1
Zinc	0.19	0.42	−0.17	−0.12	−0.07	0.01	0.04	0.08	0.06	−0.14	0.34	0.17	1
Lead	−0.16	−0.15	−0.01	0.32	−0.43	−0.30	−0.14	−0.13	0.01	−0.39	0.23	−0.40	0.06	1
TC)	0.08	0.79	0.14	−0.17	0.16	0.42	0.40	0.06	0.18	0.24	0.15	0.00	0.33	−0.06	1
FC	0.09	0.77	0.13	0.02	0.13	0.37	0.22	−0.08	0.01	0.31	0.01	−0.14	0.34	−0.02	0.95	1

Correlation is significant at the 0.05 level (2-tailed). Correlation is significant at the 0.01 level (2-tailed).