Sampling point	Longitude/ latitude	Location relative to drainage water plants	Sampling date	pH	Temperature (˚C)	Conductivity (µg/mL)
1	35.5908/139.6460	Upper stream	20181205	8.0	18.8	390
1	35.5908/139.6460	Down stream	20181205	8.3	20.0	420
2	35.5187/139.6797	Upper stream	20181205	7.4	18.8	8600
2	35.5187/139.6797	Down stream	20181205	7.4	19.0	10600
3	35.5214/139.6192	Upper stream	20181205	7.5	20.4	370
3	35.5214/139.6192	Down stream	20181205	7.4	20.6	410
4	35.5205/139.6193	Upper stream	20181205	7.3	19.3	340
4	35.5205/139.6193	Down stream	20181205	7.3	19.7	380
5	35.5436/139.6569	Upper stream	20181205	7.7	17.5	16700
5	35.5436/139.6569	Down stream	20181205	7.1	21.4	8400
6	35.5840/139.4956	Upper stream	20181213	7.6	13.4	320
6	35.5840/139.4956	Down stream	20181213	7.1	16.3	380
7	35.2523/139.6762	Upper stream	20181121	8.1	15.9	480
7	35.2523/139.6762	Down stream	20181121	7.3	18.8	1550
8	35.2887/139.602	Down stream	20181121	7.4	20.8	470
9	35.3121/139.5131	Down stream	20181109	7.2	20.3	540
10	35,3457/139.5241	Upper stream	20181109	7.5	20.2	480
10	35,3457/139.5241	Down stream	20181109	7.5	20.6	460
11	35.3688/139.5483	Upper stream	20181109	7.5	18.8	680
11	35.3688/139.5483	Down stream	20181109	7.6	20.7	620
12	35.3809/139.5336	Upper stream	20181109	7.3	18.2	510
12	35.3809/139.5336	Down stream	20181109	7.3	20.2	440
13	35.3566/139.4876	Upper stream	20181003	7.2	23.1	350
13	35.3566/139.4876	Down stream	20181029	7.4	22.7	350
14	35.3603/139.4894	Upper stream	20181003	7.5	21.6	310
15	35.4598/139.4713	Upper stream	20180913	6.0		350
		Down stream	20180913	5.9		440
		Down stream	20181029	7.1	23.4	420
16	35.4942/139.4673	Upper stream	20180913	6.4		400
16	35.4942/139.4673	Down stream	20180913	6.3		360
17	35.4310/139.4469	Upper stream	20181130	7.0	17.7	430
17	35.4310/139.4469	Down stream	20181130	7.2	20.0	520
18	35.3644/139.2446	Down stream	20181130	6.6	22.4	830
19	35.3862/139.2960	Upper stream	20190107	8.3	13.7	260
19	35.3862/139.2960	Down stream	20190107	7.8	15.5	320