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	−45.38	−5.17	3.8	887		5.11	3.5	4.78
2	HVQ	Van Quan lake	−45.01	−4.87	17.4	798	7.49	4.29	231	359
3	HYS	Yen So lake	−49.74	−6.73	28.5	508	7.41	7.43	376	796
4	SHD	Red river	−61.51	−8.28	16	245	8.37	7.59	5.32	7.18
5	SHG	Red river	−59.62	−8.67	20.4	265	6.37	6.89	5.55	7.64
6	SKN	Kim Nguu river	−49.03	−6.82	26	850		0	241	484
7	SN	Nhue river	−54.95	−8.01	39	461		0	298	477