Well ID	pH	EC (µS/cm)	ORP (mV)	T (˚C)	Fe (mg/L)	Mn (mg/L)	Zn (mg/L)	As (mg/L)
1	7.1	649	‒152	23.8	0.90	0.17	0.020	BDL
2	7.3	511	‒116	25.0	1.61	0.23	0.041	0.143
3	6.6	958	‒105	25.2	6.41	0.81	0.043	0.015
4	7.2	403	‒81	23.2	2.15	0.23	0.057	0.056
5	7.8	165	106	21.9	0.06	BDL	0.029	BDL
6	6.6	1122	‒71	24.1	4.14	1.50	0.020	0.012
7	6.5	800	‒81	26.0	6.86	0.77	0.647	0.011
8	6.9	1041	‒113	25.7	4.14	0.89	0.060	0.007
9	6.6	1051	‒83	26.5	3.80	0.55	0.075	0.007
10	6.4	482	104	21.4	0.29	0.70	0.494	BDL
11	6.8	185	‒58	23.7	1.51	0.16	0.018	0.003
12	6.7	393	‒74	24.4	4.43	0.25	0.031	0.005
13	6.7	751	‒88	24.6	4.83	0.38	0.026	0.007
14	6.5	326	‒70	21.5	6.66	0.30	0.025	BDL
15	6.8	186	‒58	25.0	0.97	0.13	0.019	0.004
16	6.6	225	‒53	24.4	1.38	0.19	0.051	0.006
17	6.7	193	‒72	23.9	1.60	0.19	0.011	0.004
18	6.7	462	‒67	24.9	2.63	0.19	0.019	0.006
19	6.6	408	‒86	27.1	2.20	0.45	0.012	0.011
20	6.6	232	‒67	23.6	2.38	0.20	0.012	0.008
21	6.5	923	‒97	24.3	6.27	1.08	0.043	0.011
22	6.6	757	‒99	25.9	6.70	0.77	0.017	0.037
23	6.5	902	‒94	25.6	7.21	1.08	0.013	0.009
24	7.1	441	‒114	22.2	4.87	0.66	0.053	0.019
25	6.5	985	‒118	24.8	7.95	0.61	0.040	0.006
26	6.6	1707	‒114	25.4	8.08	0.26	0.023	0.003
27	6.8	882	‒102	23.1	5.02	0.46	0.060	0.056
28	6.5	1097	‒107	25.0	7.22	1.10	0.018	0.010
29	6.6	1300	‒102	24.9	5.42	0.44	0.049	0.004
30	7.1	764	‒143	23.3	3.69	0.46	0.032	0.025
31	6.9	439	‒58	25.1	1.89	0.29	0.025	0.004
32	6.5	246	‒66	22.1	5.11	0.35	0.019	BDL
33	6.7	169	‒40	21.5	1.19	0.11	0.017	0.003
34	6.5	615	‒87	25.3	5.34	0.45	0.019	0.005
35	6.7	95	38	21.6	0.52	0.02	0.022	BDL
36	6.9	150	‒42	22.3	1.01	0.05	0.100	BDL
37	7.0	167	‒69	24.6	3.25	0.13	0.015	0.003
38	7.5	587	84	26.6	0.11	0.04	0.027	BDL
39	7.6	207	81	18.4	0.07	BDL	0.093	BDL
40	7.0	297	104	22.0	2.50	0.85	0.237	BDL
41	6.8	185	‒85	21.1	11.42	0.53	0.011	BDL