Concepto |
Unidades |
1990 |
1995 |
2000 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
Estación de medición |
Nombre |
|
Toma de agua potable (COAPA) |
Toma de agua potable (COAPA) |
El Moralillo |
El Moralillo |
El Moralillo |
El Moralillo |
El Moralillo |
El Moralillo |
El Moralillo |
El Moralillo |
Bocatoma Comapa Tampico |
Bocatoma Comapa Tampico |
Frecuencia
de muestreo anual |
Número |
5 |
4 |
6 |
3 |
2 |
1 |
2 |
2 |
2 |
2 |
1 |
2 |
Parámetros (promedio anual) |
Temperatura |
°C |
26.9 |
26.7 |
23.7 |
27.3 |
27.6 |
29 |
25.65 |
27.25 |
28.65 |
27.7 |
nd |
nd |
Acidez |
pH |
8 |
8.3 |
8.2 |
8.3 |
8.05 |
7.43 |
7.93 |
7.9 |
7.65 |
7.65 |
nd |
nd |
Oxígeno
disuelto |
mg O2 / l |
5.38 |
7.6 |
6.20 |
7.8 |
6.75 |
6.5 |
7.7 |
7.58 |
6.25 |
5.23 |
nd |
nd |
DBO
(20°C 5d) |
mg O2/ l |
1.39 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
<2 |
2.64 |
DQO (K2Cr2O7) |
mg O2/ l |
15.16 |
9.5 |
3.05 |
2.97 |
1 |
0.74 |
1.63 |
nd |
1 |
1.09 |
70.5 |
16.6 |
Sólidos
suspendidos |
mg/ l |
26 |
30 |
19.62 |
16.3 |
14.7 |
18 |
18.5 |
62 |
25 |
31 |
19 |
62 |
Sólidos
disueltos |
mg/ l |
619 |
881 |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
446.08 |
633.6 |
Nitrógeno
total |
mg N/ l |
nd |
nd |
0.3168 |
nd |
nd |
nd |
0.1 |
0.91 |
0.38 |
0.51 |
2.10 |
4.31 |
Nitratos |
mg NO3/ l |
nd |
0.11 |
0.13 |
nd |
nd |
nd |
nd |
0.66 |
0.1 |
0.35 |
<0.01 |
0.38 |
Amonio |
mg NH4/ l |
0.12 |
0.04 |
nd |
0.1 |
nd |
0.1 |
0.02 |
0.07 |
0.13 |
0.07 |
nd |
nd |
Fósforo
total |
mg P/ l |
nd |
nd |
120 |
0.08 |
0.08 |
nd |
nd |
0.09 |
0.06 |
0.07 |
<0.002 |
0.041 |
Ortofosfatos |
mg P/ l |
0.04 |
0.02 |
0.09 |
nd |
nd |
nd |
0.17 |
0.07 |
0.05 |
<0.040 |
nd |
0.0094 |
Clorofila
(en verano) |
mg /m3 |
nd |
nd |
nd |
nd |
nd |
6.86 |
5.75 |
5.21 |
8.2 |
0.004 |
nd |
14.94 |
Coliformes
fecales |
NMP/100 ml |
8.12 E4 |
17 |
141.00 |
927.00 |
1247 |
430 |
nd |
nd |
nd |
nd |
460.00 |
597.00 |
Arsénico
total |
mg As/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
<0.00139 |
<0.0014 |
Cadmio
total |
mg Cd/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
<0.00015 |
<0.00015 |
Cromo
total |
mg Cr/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
<0.00031 |
<0.0069 |
Plomo
total |
mg Pb/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
<0.00154 |
0.0075 |
Mercurio
total |
mg Hg/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
<0.00005 |
<0.00005 |
Níquel
total |
mg Ni/ l |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
nd |
<0.00015 |
0.00015 |
Notas: |
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Ubicación geográfica de las estaciones de medición. Bocatoma Comapa Tampico: 22° 14' 18.24'' lat.N, 97° 52' 35.04'' long. W (todos los nombres de estación que se presentan corresponden a la misma). |
nd. No disponible |
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Fuente: |
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Comisión Nacional del Agua, Gerencia
de Calidad del Agua, Febrero 2015 |
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