Table 1.

Details of water sampling location in river Ganga.

Code	Sampling location	River	Latitude	Longitude	Elevation (m)	Catchment (km2)
S1	Uttarkashi	Bhagirathi	30${}^{\mathrm{o}}$43’45” N	78${}^{\mathrm{o}}$26’47” E	1095	4055
S2	Tehri Zero Point Bridge	Bhagirathi	30${}^{\mathrm{o}}$22’40” N	78${}^{\mathrm{o}}$28’39” E	580	7208
S3	Rudraprayag	Alaknanda	30${}^{\mathrm{o}}$18’00” N	78${}^{\mathrm{o}}$59’35” E	895	9031
S4	Devprayag (G)	Ganga	30${}^{\mathrm{o}}$08’24” N	78${}^{\mathrm{o}}$35’47” E	443	19600
S5	Rishikesh	Ganga	30${}^{\mathrm{o}}$06’08” N	78${}^{\mathrm{o}}$18’15” E	327	21794