Table 1 Selection of the main Ecuadorian rivers and their collection samples for microbial, physicochemical, and metal analysis in this study.

From: Determining the microbial and chemical contamination in Ecuador’s main rivers

Location

River

GPS Coordinates

City (Province)

Region

Collection sampling

Mean annual discharge (m3 s-1) a

Monthly average temperature (°C)b

Annual Precipitation (mm) b

Name of INAMHI Stations

GPS Coordinates of INAMHI Stations

Height of INAMHI Stations (m)

1

Machángara

0°14′03.6"S/78°30′53.0"W

Quito (Pichincha)

Andean

April 2016

4.2

N/A

1381.9

M0325 Garcia Moreno

0°14′5"S/78°37′38"W

1950

2

Guayllabamba

0°4′6,961″S/78° 22′21,87″W

Guayllabamba (Pichincha)

Andean

April 2016

N/A

N/A

847

M0345 Calderon

0°5′54″S/78°25′15″W

2645

3

Tomebamba

2°53′44.1″S/78°58′07.5″W

Santa Ana de los Cuatro Ríos de Cuenca, commonly referred as Cuenca (Azuay)

Andean

May 2016

21.37

N/A

878

M0426 Ricaurte-Cuenca

2°51′3″S/78°56′55″W

2545

4

Zamora

3°58′42.21″S/79°12′10.68″W

Loja (Loja)

Andean

June 2016

N/A

N/A

621.3

M0759 El Tambo-Loja

4°4′25″S/79°18′0″W

1580

5

Esmeraldas

0°56′31.3"N/79°38′34.5"W

Esmeraldas (Esmeraldas)

Coastal

July 2016

88.25

N/A

614.3

M0441 Sague (San Mateo)

0°53′13″S/79°37′54″W

15

6

Toachi

0°14′46.2″S/79°8′02,1″W

Santo Domingo (Santo Domingo de los Tsáchilas)

Coastal

July 2016

48.20

N/A

2792.4

M0348 Santa Anita-Km 10 Via Chone

0°13′50″S/79°14′54″W

560

7

Chone

0°41′41.6″ S/80°5′15.3″ W

Chone (Manabí)

Coastal

July 2016

N/A

25.32

1486.4

M0162 Chone—U. Catolica

0°39′51″S/80°2′11″W

13

8

Guayas

2°06′55.5"S/79°52′43.3"W

Guayaquil (Guayas)

Coastal

July 2016

1654.50

26.2

1064.5

M1096 Guayaquil—U. Estatal

2°12′0″S/79°53′0″W

6

9

Aguarico

0°03′36,8"N/76°52′25,0"W

Nueva Loja, also known as Lago Agrio (Sucumbios)

Amazonian

June 2016

N/A

23.8

4637.8

M1203 Lumbaqui

0°2′26″S/77°20′2″W

580

10

Coca

0°27′24,43″S/76°59′9,143″W

Puerto Francisco de Orellana, also known as El Coca (Orellana)

Amazonian

June 2016

32.23

25.5

3261.4

M1221 San Jose De Payamino

0°30′14″S/77°19′3″W

345

11

Napo

1°02′40.12″S/77°47′37.61″W

Tena (Napo)

Amazonian

June 2016

1105

N/A

2186.7

M0490 Sardinas

0°22′16″S/77°48′6″W

1615

12

Pastaza

1°27′05.8"S/78°09′18.6"W

Puyo (Pastaza)

Amazonian

June 2016

N/A

21.8

3557.1

M0041 Sangay (P. Santa Ana)

1°41′18″S/77°57′31″W

880

  1. a Data from the National Institute of Meteorology and Hydrology (INAMHI, http://www.serviciometeorologico.gob.ec/); b INAMHI. (2013). Anuario Metereológico. Retrieved from: https://www.serviciometeorologico.gob.ec/docum_institucion/anuarios/meteorologicos/Am_2013.pdf; N/A: Not available.