Sample	EC	pH	DO	TA	TAC	TH		Ca²⁺	Cl⁻	Mg²⁺				OM	COD	BOD
Unit	µS/cm	-	mg/l	˚F	˚F	˚F	mg/l	mg/l	mg/l	mg/l	mg/l	mg/l	mg/l	mg/l	mg/l	mg/l
R1	661	7.93	7.0	0	21.5	30.6	0.006	112.0	56.8	13.10	80.53	0.007	2.27	2.40	1.71	0.69
R2	1028	8.17	6.4	0.5	23.5	33.2	0.006	120.8	163.3	22.17	82.49	0.015	13.45	1.60	1.14	0.46
R3	1289	8.18	6.9	0	21.5	35.8	0.006	116.0	213.0	32.25	93.22	0.039	17.10	1.76	1.26	0.50
R4	1623	8.18	7.8	1.5	23.0	41.2	0.006	147.2	390.5	31.24	69.47	0.019	19.00	3.52	2.52	1.01