environmental-quality-standards

Annex I, Part A - Priority Substances & Pollutants in water

EU. Environmental Quality Standards (EQS) for Priority Substances: Annex I, Part A, Directive 2008/105/EC, 24 December 2008, amended by Directive 2013/39/EU, 24 August 2013

This list contains environmental quality standards (EQS), including annual averages and maximum allowable concentrations, for priority substances and certain other pollutants, as provided for in Article 16 of Directive 2000/60/EC establishing a framework for Community action in the field of water policy.

Last updated 20 October 2021. Database contains 158 unique substances/entries.
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205-426-2
140-66-9
25
0.1 µg/l
1 yr
Inland surface waters
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205-426-2
140-66-9
25
0.01 µg/l
1 yr
Surface waters other than inland surface waters
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212-332-5
789-02-6
9b
0.025 µg/l
1 yr
Inland surface waters
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212-332-5
789-02-6
9b
0.025 µg/l
1 yr
Surface waters other than inland surface waters
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200-783-0
72-54-8
9b
0.025 µg/l
1 yr
Inland surface waters
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200-783-0
72-54-8
9b
0.025 µg/l
1 yr
Surface waters other than inland surface waters
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200-784-6
72-55-9
9b
0.025 µg/l
1 yr
Surface waters other than inland surface waters
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200-784-6
72-55-9
9b
0.025 µg/l
1 yr
Inland surface waters
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203-458-1
107-06-2
10
10 µg/l
1 yr
Inland surface waters
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203-458-1
107-06-2
10
10 µg/l
1 yr
Surface waters other than inland surface waters
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203-199-4
104-40-5
24
0.3 µg/l
2 µg/l
1 yr
Inland surface waters
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203-199-4
104-40-5
24
0.3 µg/l
2 µg/l
1 yr
Surface waters other than inland surface waters
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284-325-5
84852-15-3
24
0.3 µg/l
2 µg/l
1 yr
Surface waters other than inland surface waters
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284-325-5
84852-15-3
24
0.3 µg/l
2 µg/l
1 yr
Inland surface waters
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277-704-1
74070-46-5
38
0.12 µg/l
0.12 µg/l
1 yr
Inland surface waters
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277-704-1
74070-46-5
38
0.012 µg/l
0.012 µg/l
1 yr
Surface waters other than inland surface waters
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240-110-8
15972-60-8
1
0.3 µg/l
0.7 µg/l
1 yr
Surface waters other than inland surface waters
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240-110-8
15972-60-8
1
0.3 µg/l
0.7 µg/l
1 yr
Inland surface waters
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206-215-8
309-00-2
9a
0.005 µg/l
1 yr
Surface waters other than inland surface waters
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206-215-8
309-00-2
9a
0.01 µg/l
1 yr
Inland surface waters
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204-371-1
120-12-7
2
0.1 µg/l
0.1 µg/l
1 yr
Surface waters other than inland surface waters
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204-371-1
120-12-7
2
0.1 µg/l
0.1 µg/l
1 yr
Inland surface waters
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217-617-8
1912-24-9
3
0.6 µg/l
2 µg/l
1 yr
Inland surface waters
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217-617-8
1912-24-9
3
0.6 µg/l
2 µg/l
1 yr
Surface waters other than inland surface waters
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200-753-7
71-43-2
4
8 µg/l
50 µg/l
1 yr
Surface waters other than inland surface waters
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200-753-7
71-43-2
4
10 µg/l
50 µg/l
1 yr
Inland surface waters
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200-028-5
50-32-8
28
0.0002 µg/l
0.027 µg/l
1 yr
Surface waters other than inland surface waters
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200-028-5
50-32-8
28
0.0002 µg/l
0.27 µg/l
1 yr
Inland surface waters
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200-028-5
50-32-8
28
5 µg/l
Biota
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205-911-9
205-99-2
28
0.017 µg/l
Surface waters other than inland surface waters
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205-911-9
205-99-2
28
0.017 µg/l
Inland surface waters
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205-883-8
191-24-2
28
0.0082 µg/l
Inland surface waters
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205-883-8
191-24-2
28
0.0008 µg/l
Surface waters other than inland surface waters
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205-916-6
207-08-9
28
0.017 µg/l
Surface waters other than inland surface waters
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205-916-6
207-08-9
28
0.017 µg/l
Inland surface waters
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255-894-7
42576-02-3
39
0.0012 µg/l
0.004 µg/l
1 yr
Surface waters other than inland surface waters
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255-894-7
42576-02-3
39
0.012 µg/l
0.04 µg/l
1 yr
Inland surface waters
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290-570-9
90193-67-2
5
0.014 µg/l
Surface waters other than inland surface waters
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290-570-9
90193-67-2
5
0.0085 µg/l
Biota
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290-570-9
90193-67-2
5
0.14 µg/l
Inland surface waters
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287-476-5
85535-84-8
7
0.4 µg/l
1.4 µg/l
1 yr
Surface waters other than inland surface waters
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287-476-5
85535-84-8
7
0.4 µg/l
1.4 µg/l
1 yr
Inland surface waters
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-
-
6
0.09 µg/l
0.6 µg/l
1 yr
Inland surface waters
Water Class 3: 50 to < 100 mg CaCO3/l
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-
-
6
0.2 µg/l
0.6 µg/l
1 yr
Surface waters other than inland surface waters
Water Class 3: 50 to < 100 mg CaCO3/l
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-
-
6
0.08 µg/l
0.45 µg/l
1 yr
Inland surface waters
Water Class 2: 40 to < 50 mg CaCO3/l
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-
-
6
0.15 µg/l
0.9 µg/l
1 yr
Inland surface waters
Water Class 4: 100 to < 200 mg CaCO3/l
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-
-
6
0.2 µg/l
0.9 µg/l
1 yr
Surface waters other than inland surface waters
Water Class 4: 100 to < 200 mg CaCO3/l
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-
-
6
0.08 µg/l
0.45 µg/l
1 yr
Inland surface waters
Water Class 1: < 40 mg CaCO3/l
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-
-
6
0.2 µg/l
0.45 µg/l
1 yr
Surface waters other than inland surface waters
Water Class 2: 40 to < 50 mg CaCO3/l
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-
-
6
0.25 µg/l
1.5 µg/l
1 yr
Inland surface waters
Water Class 5: ≥ 200 mg CaCO3/l
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