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Calidad del agua en estaciones seleccionadas del Lago Cuitzeo |
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Concepto |
Unidades |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2014 |
2015 |
2016 |
2017 |
2018 |
2019 |
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Estación de medición |
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Nombre |
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Cuitzeo Mariano Escobedo |
Cuitzeo Mariano Escobedo |
Cuitzeo Mariano Escobedo |
Cuitzeo Mariano Escobedo |
Cuitzeo Mariano Escobedo |
Cuitzeo Mariano Escobedo |
Cuitzeo Mariano Escobedo |
Cuitzeo Mariano Escobedo |
Cuitzeo Mariano Escobedo |
Cuitzeo Mariano Escobedo |
Cuitzeo Mariano Escobedo |
Cuitzeo Mariano Escobedo |
Cuitzeo Mariano Escobedo |
Cuitzeo Mariano Escobedo |
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Frecuencia de muestreo anual |
Número |
4 |
4 |
4 |
4 |
1 |
4 |
4 |
4 |
2 |
2 |
2 |
2 |
3 |
1 |
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Parámetros (mediana anual) |
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Temperatura |
°C |
19 |
20.5 |
20.75 |
20.5 |
20 |
19 |
nd |
19 |
20.5 |
22.15 |
22.75 |
27.4 |
22.3 |
22.1 |
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Acidez |
pH |
9 |
9 |
9 |
9 |
9 |
8.5 |
8.50 |
8.67 |
9.55 |
9.45 |
9 |
9.4 |
9 |
8.9 |
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Oxígeno disuelto |
mg O2 / l |
7.6 |
7.25 |
9.1 |
9 |
11.7 |
6.2 |
6.2 |
6 |
6.2 |
4.845 |
5 |
10.7 |
3 |
3.6 |
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Saturación de oxígeno |
% |
nd |
nd |
nd |
nd |
nd |
nd |
46.5 |
77.8 |
86.95 |
71.3 |
72.8 |
172.75 |
39.7 |
53.2 |
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DBO (20°C 5d) |
mg O2/ l |
22.7 |
29 |
35.65 |
40.35 |
34 |
41.5 |
78 |
40 |
9 |
46 |
23.5 |
34 |
97 |
23 |
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DQO (K2Cr2O7) |
mg O2/ l |
39 |
42.35 |
55.85 |
67.95 |
52.45 |
65 |
118.5 |
6.67 |
75.8 |
85.725 |
121 |
65 |
433 |
123 |
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Sólidos suspendidos |
mg/ l |
110.5 |
173 |
92.5 |
104 |
628 |
87 |
1048.5 |
60 |
66.5 |
102 |
99 |
119 |
430 |
16 |
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Sólidos disueltos |
mg/ l |
852 |
926 |
952 |
1200 |
1954 |
1344 |
nd |
894.08 |
989.12 |
878.08 |
1232.32 |
1272.64 |
1936 |
566.4 |
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Nitrógeno total |
mg N/ l |
nd |
nd |
nd |
nd |
nd |
nd |
0.047 |
5.63 |
13.247 |
10.441 |
6.079 |
10.7745 |
52.35 |
6.156 |
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Nitratos |
mg NO3/ l |
0.02 |
0.01 |
0.025 |
0.705 |
0.2 |
nd |
nd |
0.177 |
0.421 |
0.05 |
0.0635 |
0.1505 |
0.113 |
0.212 |
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Amonio |
mg NH4/ l |
nd |
2.27 |
0.30 |
nd |
0.65 |
0.166 |
nd |
0.140 |
4.0024 |
2.0355 |
1.6387 |
1.3127 |
2.6618 |
0.8257 |
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Fósforo total |
mg P/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
1.14 |
2.005 |
1.295 |
0.925 |
0.885 |
3.628 |
1.12 |
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Ortofosfatos |
mg P/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
0.76 |
1.33 |
0.845 |
0.415 |
0.46 |
0.979 |
0.453 |
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Clorofila (en verano) |
mg /m3 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
2.92 |
23.96 |
67.85 |
69.895 |
18.345 |
8.54 |
6.8 |
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Coliformes fecales |
NMP/100 ml |
nd |
nd |
nd |
nd |
nd |
120 |
nd |
nd |
41 |
50 |
126.5 |
250 |
150 |
40 |
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Arsénico total |
mg As/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
0.0369 |
0.00645 |
0.01405 |
0.05965 |
0.04525 |
0.0202 |
0.0217 |
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Cadmio total |
mg Cd/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
<0.0002 |
<0.0002 |
<0.0002 |
0.000475 |
0.000172 |
0.00012 |
0.00004 |
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Cromo total |
mg Cr/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
0.048 |
0.00397 |
0.0016 |
0.009 |
0.01245 |
0.0169 |
0.0032 |
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Cobre total |
mg Cu/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
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Plomo total |
mg Pb/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
0.0190 |
0.00135 |
0.0026 |
0.0089 |
0.00365 |
0.0044 |
<0.00154 |
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Mercurio total |
mg Hg/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
0.0027 |
0.0003375 |
0.00052 |
0.0007 |
0.00055 |
0.0006 |
0.0005 |
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Níquel total |
mg Ni/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
<0.0002 |
0.00185 |
0.0009 |
0.00625 |
0.0034 |
0.0081 |
0.0041 |
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Zinc total |
mg Zn/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
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Notas: |
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La fuente reporta los datos con medianas en vez de promedios debido a la alta sensibilidad de los promedios a los valores extremos. |
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No se muestreo el sitio en el año 2013, por lo que no hay información disponible. |
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Ubicación geográfica de la estación de medición. Cuitzeo Mariano Escobedo: 19°57'25.31" Lat N, 101° 4'55.49" long. W. |
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nd: No disponible. |
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Fuente: |
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Comisión Nacional del Agua, Gerencia de Calidad del Agua, Junio 2020 |
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