Statutes, codes, and regulations
North Dakota Administrative Code
Title 33 - State Department of HealthArticle 33-16 - Control, Prevention, and Abatement of Pollution of Surface Water
Chapter 33-16-02.1 - Standards of Quality for Waters of the State
Table 2 - WATER QUALITY CRITERIA[1] (MICROGRAMS PER LITER)

N.D. Admin. Code tit. 33, art. 33-16, ch. 33-16-02.1, tbl. 2

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Current through Supplement No. 393, July, 2024
Table 2 - WATER QUALITY CRITERIA[1] (MICROGRAMS PER LITER)

Aquatic Life Value Classes I, IA, II, III

Human Health Value

CAS No.

Pollutant (Compounds)

Acute

Chronic

Classes I, IA, II2

Class III3

71-55-6

1,1,1-Trichloroethane

10,0007

200,000

79-00-5

1,1,2-Trichloroethane4

0.55

8.9

79-34-5

1,1,2,2-Tetrachloroethane4

0.2

3

75-35-4

1,1-Dichloroethylene4

300

20,000

156-60-5

1,2-trans-Dichloroethylene7

100

4,000

120-82-1

1,2,4-Trichlorobenzene

0.071

0.076

95-50-1

1,2-Dichlorobenzene7

1,000

3,000

541-73-1

1,3-Dichlorobenzene

7

10

106-46-7

1,4-Dichlorobenzene7

300

900

107-06-2

1,2-Dichloroethane4

9.9

650

78-87-5

1,2-Dichloropropane

0.90

31

542-75-6

1,3-Dichloropropylene (1,3-Dichloropropene) (cis and trans isomers)

0.27

12

122-66-7

1,2-Diphenylhydrazine4

0.03

0.20

121-14-2

2,4-Dinitrotoluene4

0.049

1.7

95-57-8

2-Chlorophenol

30

800

120-83-2

2,4-Dichlorophenol

10

60

88-06-2

2,4,6-Trichlorophenol4

1.5

2.8

91-58-7

2-Chloronaphthalene

800

1,000

91-94-1

3,3'-Dichlorobenzidine4

0.049

0.15

105-67-9

2,4-Dimethylphenol

100

3,000

51-28-5

2,4-Dinitrophenol

10

300

94-75-7

2,4-D

1,300

12,000

72-54-8

4,4'-DDD4

0.00012

0.00012

75-55-9

4,4'-DDE4

0.000018

0.000018

50-29-3

4,4'-DDT4

0.5512

0.001 12

0.000030

0.000030

534-52-1

2-Methyl-4,6-Dinitrophenol

2

30

59-50-7

3-Methyl-4-Chlorophenol

500

2,000

83-32-9

Acenaphthene

70

90

107-02-8

Acrolein

3

3

3

400

107-13-1

Acrylonitrile4

0.061

7.0

15972-60-8

Alachlor

27

309-00-2

Aldrin4

1.5

7.7E-07

7.7E-07

319-84-6

alpha-BHC4 (Hexachlorocyclohexane-alpha)

0.00036

0.00039

319-85-7

beta-BHC4 (Hexachlorocyclohexane-beta)

0.008

0.014

58-89-9

gamma-BHC (Lindane)4 (Hexachlorocyclohexane-gamma)

0.95

4.27

4.4

959-98-8

alpha-Endosulfan

0.1111

0.05611

20

30

33213-65-9

beta-Endosulfan

0.1111

0.05611

20

40

120-12-7

Anthracene (PAH)5

300

400

1332-21-4

Asbestos4,7

7,000,000 f/l

7,000,000 f/l

1912-24-9

Atrazine

37

71-43-2

Benzene4

2.1

58

92-87-5

Benzidine4

0.0014

0.011

56-55-3

Benzo(a)anthracene (PAH)4 (1,2-Benzanthracene)

0.0012

0.0013

50-32-8

Benzo(a)pyrene (PAH)4 (3,4-Benzopyrene)

0.00012

0.00013

205-99-2

Benzo(b)fluoranthene (PAH)4 (3,4-Benzofluoranthene)

0.0012

0.0013

207-08-9

Benzo(k)fluoranthene (PAH)4 (11,12-Benzofluoranthene)

0.012

0.013

12587-47-2

Beta/photon emitters

4 mrem/yr7

111-44-4

Bis(2-chloroethyl) ether4

0.030

2.2

108-60-1

Bis(2-chloro-1-Methylethyl) ether

200

4,000

117-81-7

Bis(2-ethylhexyl) phthalate4

0.32

0.37

15541-45-4

Bromate

107

75-25-2

Bromoform (HM)5 (Tribromomethane)

7.0

120

85-68-7

Butyl benzyl phthalate

0.10

0.10

63-25-2

Carbaryl (1-naphthyl-N-methycarbamate)

2.1

2.1

1563-66-2

Carbofuran

407

56-23-5

Carbon tetrachloride4 (Tetrachloromethane)

0.40

5

57-74-9

Chlordane4

1.2

0.0043

0.00031

0.00032

14998-27-7

Chlorite

1,0007

108-90-7

Chlorobenzene (Monochlorobenzene)

1007

800

124-48-1

Chlorodibromomethane (HM)5

0.80

21

67-66-3

Chloroform (HM)4 (Trichloromethane)

60

2,000

2921-88-2

Chlorpyrifos

0.083

0.041

218-01-9

Chrysene (PAH)4

0.12

0.13

57-12-5

Cyanide (total)

22

5.2

4

400

75-99-0

Dalapon

2007

103-23-1

Di(2-ethylhexyl)adipate

4007

333-41-5

Diazinon

0.17

0.17

53-70-3

Dibenzo(a,h)anthracene (PAH)4 (1,2,5,6-Dibenzanthracene)

0.00012

0.00013

67708-83-2

Dibromochloropropane

0.27

75-27-4

Dichlorobromomethane (HM)5

0.95

27

156-59-2

Dichloroethylene (cis-1,2-)

707

60-57-1

Dieldrin4

0.24

0.056

1.2E-06

1.2E-06

84-66-2

Diethyl phthalate

600

600

131-11-3

Dimethyl phthalate

2,000

2,000

84-74-2

Di-n-butyl phthalate

20

30

88-85-7

Dinoseb

77

1746-01-6

Dioxin (2,3,7,8-TCDD)4

5.00E-09

5.10E-09

85-00-7

Diquat

207

1031-07-8

Endosulfan sulfate

20

40

145-73-3

Endothall

1007

72-20-8

Endrin

0.086

0.036

0.03

0.03

7421-93-4

Endrin aldehyde

1

1

100-41-4

Ethylbenzene7

68

130

106-93-4

Ethylene dibromide (EDB)

0.057

206-44-0

Fluoranthene

20

20

86-73-7

Fluorene (PAH)5

50

70

1071-83-6

Glyphosate

7007

Halocetic acids14

607

1024-57-3

Heptachlor epoxide4

0.26

0.0038

0.000032

0.000032

76-44-8

Heptachlor4

0.26

0.0038

0.0000059

0.0000059

118-74-1

Hexachlorobenzene4

0.000079

0.000079

87-68-3

Hexachlorobutadiene4

0.01

0.01

77-47-4

Hexachlorocyclopentadiene

4

4

67-72-1

Hexachloroethane4

0.10

0.10

193-39-5

Indeno(1,2,3-cd) pyrene (PAH)4

0.0012

0.0013

78-59-1

Isophorone4

34

1,800

72-43-5

Methoxychlor

0.02

0.02

74-83-9

Methyl bromide (HM) (Bromomethane)

100

10,000

75-09-2

Methylene chloride (HM)4 (Dichloromethane)

20

1,000

98-95-3

Nitrobenzene

17

600

62-75-9

N-Nitrosodimethylamine4

0.00069

3

621-64-7

N-Nitrosodi-n-propylamine4

0.005

0.51

86-30-6

N-Nitrosodiphenylamine4

3.3

6

84852-15-3

Nonylphenol (Isomer mixture)13

28

6.6

23135-22-0

Oxamyl (Vydate)

2007

56-38-2

Parathion

0.065

0.013

53469-21-9

PCB-1242 (Arochlor 1242)4

0.014 10

0.000064 10

0.00006410

126764-11-2

PCB-1016 (Arochlor 1016)4

0.014 10

0.000064 10

0.00006410

11104-28-2

PCB-1221 (Arochlor 1221)4

0.014 10

0.000064 10

0.00006410

11141-16-5

PCB-1232 (Arochlor 1232)4

0.014 10

0.000064 10

0.00006410

12672-29-6

PCB-1248 (Arochlor 1248)4

0.014 10

0.000064 10

0.00006410

11097-69-1

PCB-1254 (Arochlor 1254)4

0.014 10

0.000064 10

0.00006410

11096-82-5

PCB-1260 (Arochlor 1260)4

0.014 10

0.000064 10

0.00006410

87-86-5

Pentachlorophenol

198

158

0.03

0.04

108-95-2

Phenol

4,000

300,000

1918-02-1

Picloram

5007

129-00-0

Pyrene (PAH)5

20

30

122-34-9

Simazine

47

100-42-5

Styrene

1007

127-18-4

Tetrachloroethylene4

10

29

108-88-3

Toluene

57

520

8001-35-2

Toxaphene4

0.73

0.0002

0.0007

0.00071

688-73-3

Tributyltin

0.46

0.072

79-01-6

Trichloroethylene4

0.60

7

75-01-4

Vinyl chloride 4 (Cloroethylene)

0.022

1.6

1330-20-7

Xylenes

10,0007

Aquatic Life Value Classes I, IA, II, III Human Health Value

CAS No.

Pollutant (Elements)

Acute

Chronic

Classes I, IA, II2

Class III3

7440-36-0

Antimony

5.6

640

7440-38-2

Arsenic7

3409

1509

107

7440-41-7

Beryllium4

47

7440-43-9

Cadmium

1.8 6,15

0.726,15

57

16065-83-1

Chromium (III)

1,800 6,15

86 6,15

100(total)7

18540-29-9

Chromium (VI)

16

11

100(total)7

7440-50-8

Copper

14.06,15,16

9.3 6,15,16

1000

7782-41-4

Fluoride

4,0007

7439-92-1

Lead

826

3.26

157

7439-97-6

Mercury

1.7

0.012

0.050

0.051

7440-02-0

Nickel

4706,15

526,15

1007

4,200

7782-49-2

Selenium

20

5

507

7440-22-4

Silver

3.8 6,15

7440-28-0

Thallium

0.24

0.47

7440-61-1

Uranium

307

7440-66-6

Zinc

1206,15

1206,15

7,400

26,000

1 Except for the aquatic life values for metals, the values given in this appendix refer to the total (dissolved plus suspended) amount of each substance. For the aquatic life values for metals, the values refer to the total recoverable method for ambient metals analyses.

2 Based on two routes of exposure - ingestion of contaminated aquatic organisms and drinking water.

3 Based on one route of exposure - ingestion of contaminated aquatic organisms only.

4 Substance classified as a carcinogen, with the value based on an incremental risk of one additional instance of cancer in one million persons.

5 Chemicals which are not individually classified as carcinogens but which are contained within a class of chemicals, with carcinogenicity as the basis for the criteria derivation for that class of chemicals; an individual carcinogenicity assessment for these chemicals is pending.

6 Hardness dependent criteria. Value given is an example only and is based on a CaCO3 hardness of 100 mg/l. Criteria for each case must be calculated using the following formula: For the Criterion Maximum Concentration (CMC):

Cadmium

CMC = 0.9789[ln (hardness)] - 3.8660

Chromum (III)

CMC = 0.8190[ln (hardness)] + 3.7256

Copper

CMC = 0.9422[ln (hardness)] - 1.7000

Lead

CMC = 1.2730[ln (hardness)] - 1.4600

Nickel

CMC = 0.8460[ln (hardness)] + 2.2550

Silver

CMC = 1.7200[ln (hardness)] - 6.5900

Zinc

CMC = 0.8473[ln (hardness)] +0.8840

CMC = Criterion Maximum Concentration (acute exposure value)

The threshold value at or below which there should be no unacceptable effects to freshwater aquatic organisms and their uses if the one-hour concentration does not exceed that CMC value more than once every three years on the average.

For the Criterion Continuous Concentration (CCC):

Cadmium

CCC = 0.7977[ln (hardness)]

Chromium (III)

CCC = 0.8190[ln (hardness)] + 0.6848

Copper

CCC = 0.8545[ln (hardness)] - 1.7020

Lead

CCC = 1.2730[ln (hardness)] - 4.7050

Nickel

CCC = 0.8460[ln (hardness)] +0.0584

Silver

No CCC criterion for silver

Zinc

CCC = 0.8473[ln (hardness)] + 0.8840

CCC = Criterion Continuous Concentration (chronic exposure value) The threshold value at or below which there should be no unacceptable effects to freshwater aquatic organisms and their uses if the four-day concentration does not exceed that CCC value more than once every three years on the average.

7 Safe Drinking Water Act (MCL).

8 Freshwater aquatic life criteria for pentachlorophenol are expressed as a function of pH. Values displayed in the table correspond to a pH of 7.8 and are calculated as follows:

CMC = exp [1.005 (pH) - 4.869]

CCC = exp [1.005 (pH) - 5.134]

9 This criterion applies to total arsenic.

10 This criterion applies to total PCBs (i.e., the sum of all congener or all isomer or homolog or Arochlor analyses).

11 This criterion applies to the sum of alpha-endosulfan and beta-endosulfan.

12 This criterion applies to DDT and its metabolites (i.e., the total concentration of DDT and its metabolites should not exceed this value).

13 The nonylphenol criteria address CAS numbers 84852-15-3 and 25154-52-3.

14 The criterion is for a total measurement of 5 haloacetic acids, dichloroacetic acid, trichloroacetic acid, monochloroacetic acid, bromoacetic acid, and dibromoacetic acid.

15 Hardness values shall be no greater than 400 mg/l. For waters with hardness concentrations greater than 400 mg/l, the actual ambient hardness may be used where a site-specific water effect ratio has been determined consistent with the environmental protection agency's water effect ratio procedure.

16 The department will recognize the biotic ligand model as an appropriate tool for developing site-specific limits for copper as well as the water-effects ratio (WER) method.

N.D. Admin Code tit. 33, art. 33-16, ch. 33-16-02.1, tbl. 2

Amended by Administrative Rules Supplement 370, October 2018, effective 10/1/2018.