Water Quality Problem: Pesticides
If the pesticide concentration in your water exceeds any of
the maximum concentrations shown below, you have a water quality
problem. For more information about herbicide reduction, see
information on
Integrated
Pest Management (IPM). For specific information about
pesticides, you can use
EXTOXNET or
the ARS Pesticide
Properties Database
If the following is not in the form of a table,
click here for a preformatted
text version.
1. The following limits are established to maintain healthy
aquatic life.
|
Chemical
|
Maximum Concentration (mg/l)
|
Reference
|
|
Alachlor
|
0.076 chronic
|
(1)
|
|
Atrazine
|
0.003 chronic
|
(1)
|
2. The following limits are applicable for human
consumption of contaminated water. These limits can also
be consulted when investigating contaminant levels in fish
or shellfish tissues that are destined for human
consumption.
|
Chemical
|
Maximum Concentration (mg/l)
|
Reference
|
|
2, 4 D
|
0.07
|
(2)
|
|
Alachlor
|
0.002
|
(2)
|
|
Atrazine
|
0.003
|
(2)
|
|
Glyphosate
|
0.7
|
(2)
|
|
Simazine
|
0.004
|
(2)
|
References:
(1) KS Administrative Regulations, 2001
(2) US EPA, 2001b
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Information on Pesticides
