Determination of Heavy Metal Pollution in the Dankran River in the Bekwai Municipality of Ghana

Table 4

Results of the various heavy metal parameters measured.

Sampling months	-value	August			September			October			November
Sampling points/parameter		US	DS	MS	US	DS	MS	US	MS	DS	US	MS	DS
Cu (μg/L)	0.27	0.0586	0.0594	0.0257	0.0655	0.0833	0.0833	0.0799	0.0422	0.0744	0.071	0.0188	0.0669
Zn (μg/L)	0.02	0.142	0.1	0.0618	0.1225	0.0917	0.0844	0.131	0.114	0.0631	0.122	0.135	0.0746
Mn (μg/L)	0.01	1.145	0.2971	0.1663	2.485	0.3124	0.496	3.231	0.446	0.074	4.257	0.2668	0.0601
Ni (μg/L)	0.19	0.345	0.0222	0.0074	0.032	0.0205	0.0292	0.3265	0.3507	0.322	0.3229	0.3647	0.3522
Fe (mg/L)	0.01	5.633	4.011	2.162	6.382	4.22	1.949	3.211	13.92	1.529	3.749	13.67	2.355
Hg (μg/L)	0.13	0.005	0.0007	0.0015	0.0002	0.0004	0.0012	0.0038	0.0004	0.0021	0.0021	0.001	0.0015
BOD (mg/L)	0.2	65	5	15	56	8	83	40	70	68	61	85	58
COD (mg/L)	0.23	185	13	38	165	20	208	106	166	164	152	196	145
TN (mg/L)	0.02	2.13	1.8	3.5	2.8	2	4.03	1.96	2.25	4.37	2.352	3.024	5.04
P (mg/L)	0.19	0.04	0.06	0.23	0.06	0.07	0.9	0.16	0.14	1.9	0.07	0.07	0.59
K (mg/L)	0.01	1.533	2.53	6.646	1.514	2.464	10.64	10.74	3.55	10.75	1.65	3.497	9.777