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Table 1 Position and anthropic impact of Suquía River study sites

From: Multidisciplinary approach to assess the water self-depuration characteristics of Suquía River (Córdoba, Argentina)

River sites

Position

Anthropic impact

RS, reference site (La Calera city)

18.4 km downstream San Roque Dam, 488 m a.s.l., 31° 21' 45" S and 64° 20' 99" W

Eutrophic waters from the San Roque Dam and recreational use

S1, site 1 (Córdoba city west border)

17.1 km downstream RS, 417 m a.s.l., 31° 23' 07" S and 64° 14' 15" W

Sewage waters

S2, site 2 (Córdoba city down town)

12.1 km downstream S1, 393 m a.s.l., 31° 23' 82" S and 64° 14' 62" W

Industrial effluents, sewage waters, and run-off from La Cañada creek

S3, site 3 (Córdoba city east border)

11 km downstream S2, 0.36 km upstream WWTP, 365 m a.s.l., 31° 24' 34" S and 64° 10' 66" W

Sewage waters, sand mining, and trash in river banks

S4, site 4 (Corazón de María village)

12 km downstream WWTP, 341 m a.s.l., 31° 26' 81" S and 63° 59' 45" W

Sewage waters from waste water treatment plant (WWTP)

S5, site 5 (Río Primero city)

51.1 km downstream S4, 243 m a.s.l., 31° 20' 29" S and 63° 36' 58" W

Agricultural area and recreational use