No	Sample ID	Location	d²H‰	d¹⁸O ‰	TSS mg/L	EC S/cm	pH	DO	BOD₅	COD
No	Sample ID	Location	d²H‰	d¹⁸O ‰	TSS mg/L	EC S/cm	pH	mg/L
1	HTN	Thanh Nhan lake	−42.53	−5.09	15	138	8.79	5.02	3.2	5.5
2	HVQ	Van Quan lake	−49.33	−6.27	36.7	355	7.91	3.39	176	249
3	HYS	Yen So lake	−50.02	−8.79	26.8	345		6.89	354	855
4	SHD	Red river	−64.05	−7.05	21.8	189	8.03	7.52	5.2	10.1
5	SHG	Red river	−60.34	−7.15	29.6	98.3	7.98	6.49	6.2	7.1
6	SKN	Kim Nguu river	−52.32	−6.7	51	726	7.45	0	213	498
7	SN	Nhue river	−56.86	−7.12	46	398		0	226	364