Integrated Approach to Investigate the Effect of Leachate on Groundwater around the Ikot Ekpene Dumpsite in Akwa Ibom State, Southeastern Nigeria

Table 2

Summary of measured hydrochemical and some physical parameters for water sample used.

S/N	Location	Temp.; T  (°C)	pH	Cond.; (µS/cm)	Na^+ (Mg/L)	K^+ (Mg/L)	Ca^+ (Mg/L)	Mg^+ (Mg/L)	Fe^+ (Mg/L)	SO4^2− (Mg/L)	Cl^− (Mg/L)	PO4^3− (Mg/L)	CO3^2− (Mg/L)	HCO3^− (Mg/L)	NO3^− (Mg/L)	F^− (Mg/L)	Mn; (Mg/L)	As; (Mg/L)	Cu; (Mg/L)
BH1	IK. hospital	29.7	6.9	67	6.9	2.1	11.6	1.8	0.04	1.0	22.9	0.8	BDL	245	3.9	0.3	0.003	0.01	0.10
BH2	FRS office	28.6	7.6	88	7.8	4.0	3.0	2.0	0.11	6.0	17.9	1.2	BDL	156	1.9	0.7	0.004	0.01	1.20
BH3	IK. club	29.2	8.1	1183	11.9	18.5	15.9	3.5	0.03	1.0	76.9	2.1	BDL	209	41.0	0.4	0.001	0.01	0.08
BH4	Local. G. Area secretariat	28.8	8.2	96	7.9	0.6	9.9	0.8	0.05	1.2	47.0	2.0	BDL	80	1.7	0.3	0.006	0.01	0.01
BH5	Akwa savings and Loans	29.0	7.5	34	4.9	1.9	7.2	0.4	0.07	3.0	58.9	1.3	BDL	215	1.8	0.6	0.003	0.01	0.01
BH6	FCMB	27.9	6.5	65	5.0	3.0	5.4	5.6	0.01	2.0	43.7	1.3	BDL	240	1.3	0.3	0.002	0.01	0.01
BH7	Theological college	29.8	6.7	77	6.5	1.7	3.9	2.3	0.09	3.2	30.9	0.9	BDL	221	4.6	0.5	0.007	0.01	0.08
BH8	Fire service station	28.9	7.8	129	8.1	2.5	9.0	3.5	0.06	2.0	55.6	1.5	BDL	171	34.0	0.3	1.001	0.01	0.06
BH9	Queen street	27.9	7.4	45	4.3	3.7	0.9	5.1	0.03	7.0	34.9	1.1	BDL	100	1.6	0.4	0.008	0.01	0.03
BH10	Agric secretariat	29.5	8.5	509	8.9	0.9	1.5	5.9	0.06	3.6	66.8	2.2	BDL	80	42.0	0.5	1.001	0.01	0.05
	Minimum	27.9	6.7	34	4.9	0.6	0.9	0.4	0.01	1.0	17.9	0.8	BDL	80	1.3	0.3	0.001	0.01	0.01
	Maximum	29.8	8.2	1183	11.9	18.5	15.9	5.9	0.11	7.0	76.9	2.2	BDL	240	42.0	0.7	1.002	0.01	1.20
	Range	27.9–29.8	6.7–8.5	34–1183	4.9–11.9	0.6–18.5	0.9–15.3	0.4–5.9	0.01–0.11	1.0–7.0	17.9–76.9	0.8–2.2	BDL	80–240	1.3–42.0	0.3–0.7	0.001–1.002	0.01–0.01	0.01–1.20
	Mean	28.9	7.5	229	7.2	3.9	6.8	3.1	0.06	3.0	45.6	1.4	BDL	172	13.4	0.4	0.204	0.01	0.16
	WHO standard 2006/2010	NS	6.5–8.5	1400	200	2.0	250	1.0	1.0	40.0	200	NS	NS	NS	44.0	0.01	0.01	0.01	0.01