Indiana Administrative Code (Last Updated: December 20, 2016) |
Title 327. WATER POLLUTION CONTROL DIVISION |
Article 327IAC8. PUBLIC WATER SUPPLY |
Rule 327IAC8-2.1. Consumer Confidence Reports |
Section 327IAC8-2.1-6. Other required information
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(a) In order to convert MCLs to numbers greater than or equal to one and zero-tenths (1.0) for the required table referenced in section 3 of this rule, a CWS shall use the following table:
Table 6-1: Converting MCL Compliance Values for Consumer Confidence Reports
Contaminant
MCL in Compliance Units (mg/l)
multiply by...
MCL in CCR Units
MCLG in CCR Units
Microbiological contaminants
1. Total coliform bacteria
5% of monthly samples are positive (systems that collect forty (40) or more samples per month); one (1) positive monthly sample (systems that collect fewer than forty (40) samples per month).
5% of monthly samples are positive (systems that collect forty (40) or more samples per month); one (1) positive monthly sample (systems that collect fewer than forty (40) samples per month).
0
2. Fecal coliform and E. coli
0
A routine sample and a repeat sample are total coliform positive, and one (1) is also fecal coliform or E. coli positive.
0
3. Total organic carbon
TT
TT
n/a
4. Turbidity
TT
TT (NTU)
n/a
Radioactive contaminants
5. Beta/photon emitters
4 mrem/year
4 mrem/year
0
6. Alpha emitters
15 pCi/l
15 pCi/l
0
7. Combined radium
5 pCi/l
5 pCi/l
0
8. Uranium
0.030
1,000
30 ppb
0
Inorganic contaminants
9. Antimony
0.006
1,000
6 ppb
6
10. Arsenic
0.0101
1,000
101 ppb
01
11. Asbestos
7 MFL
7 MFL
7
12. Barium
2
2 ppm
2
13. Beryllium
0.004
1,000
4 ppb
4
14. Bromate
0.10
1,000
10 ppb
0
15. Cadmium
0.005
1,000
5 ppb
5
16. Chloramines
MRDL = 4.0
MRDL = 4.0 ppm
MRDLG = 4
17. Chlorine
MRDL = 4.0
MRDL = 4.0 ppm
MRDLG = 4
18. Chlorine dioxide
MRDL = 0.8
1,000
MRDL = 800 ppb
MRDLG = 800
19. Chlorite
1
1 ppm
0.8
20. Chromium
0.1
1,000
100 ppb
100
21.Copper
AL = 1.3
AL = 1.3 ppm
1.3
22. Cyanide
0.2
1,000
200 ppb
200
23. Fluoride
4
4 ppm
4
24. Lead
AL = 0.015
1,000
AL = 15 ppb
0
25. Mercury (inorganic)
0.002
1,000
2 ppb
2
26. Nitrate (as nitrogen)
10
10 ppm
10
27. Nitrite (as nitrogen)
1
1 ppm
1
28. Selenium
0.05
1,000
50 ppb
50
29. Thallium
0.002
1,000
2 ppb
0.5
Synthetic organic contaminants including pesticides and herbicides
30. 2,4-D
0.07
1,000
70 ppb
70
31. 2,4,5-TP (silvex)
0.05
1,000
50 ppb
50
32. Acrylamide
TT
TT
0
33. Alachlor
0.002
1,000
2 ppb
0
34. Atrazine
0.003
1,000
3 ppb
3
35. Benzo(a)pyrene (PAH)
0.0002
1,000,000
200 ppt
0
36. Carbofuran
0.04
1,000
40 ppb
40
37. Chlordane
0.002
1,000
2 ppb
0
38. Dalapon
0.2
1,000
200 ppb
200
39. Di(2-ethylhexyl)adipate
.4
1,000
400 ppb
400
40. Di(2-ethylhexyl)phthalate
0.006
1,000
6 ppb
0
41. Dibromochloropropane
0.0002
1,000,000
200 ppt
0
42. Dinoseb
0.007
1,000
7 ppb
7
43. Diquat
0.02
1,000
20 ppb
20
44. Dioxin (2,3,7,8-TCDD)
0.00000003
1,000,000,000
30 ppq
0
45. Endothall
0.1
1,000
100 ppb
100
46. Endrin
0.002
1,000
2 ppb
2
47. Epichlorohydrin
TT
TT
0
48. Ethylene dibromide
0.00005
1,000,000
50 ppt
0
49. Glyphosate
0.7
1,000
700 ppb
700
50. Heptachlor
0.0004
1,000,000
400 ppt
0
51. Heptachlor epoxide
0.0002
1,000,000
200 ppt
0
52. Hexachlorobenzene
0.001
1,000
1 ppb
0
53. Hexachlorocyclopentadiene
0.05
1,000
50 ppb
50
54. Lindane
0.0002
1,000,000
200 ppt
200
55. Methoxychlor
0.04
1,000
40 ppb
40
56. Oxamyl (vydate)
0.2
1,000
200 ppb
200
57. PCBs (polychlorinated biphenyls)
0.0005
1,000,000
500 ppt
0
58. Pentachlorophenol
0.001
1,000
1 ppb
0
59. Picloram
0.5
1,000
500 ppb
500
60. Simazine
0.004
1,000
4 ppb
4
61. Toxaphene
0.003
1,000
3 ppb
0
Volatile organic contaminants
62. Benzene
0.005
1,000
5 ppb
0
63. Carbon tetrachloride
0.005
1,000
5 ppb
0
64. Chlorobenzene
0.1
1,000
100 ppb
100
65. o-Dichlorobenzene
0.6
1,000
600 ppb
600
66. p-Dichlorobenzene
0.075
1,000
75 ppb
75
67. 1,2-Dichloroethane
0.005
1,000
5 ppb
0
68. 1,1-Dichloroethylene
0.007
1,000
7 ppb
7
69. cis-1,2-Dichloroethylene
0.07
1,000
70 ppb
70
70. trans-1,2-Dichloroethylene
0.1
1,000
100 ppb
100
71. Dichloromethane
0.005
1,000
5 ppb
0
72. 1,2-Dichloropropane
0.005
1,000
5 ppb
0
73. Ethylbenzene
0.7
1,000
700 ppb
700
74. Haloacetic acids (HAA)
0.060
1,000
60 ppb
n/a
75. Styrene
0.1
1,000
100 ppb
100
76. Tetrachloroethylene
0.005
1,000
5 ppb
0
77. 1,2,4-Trichlorobenzene
0.07
1,000
70 ppb
70
78. 1,1,1-Trichloroethane
0.2
1,000
200 ppb
200
79. 1,1,2-Trichloroethane
0.005
1,000
5 ppb
3
80. Trichloroethylene
0.005
1,000
5 ppb
0
81. TTHMs (total trihalomethanes)
0.080
1,000
80 ppb
n/a
82. Toluene
1
1 ppm
1
83. Vinyl chloride
0.002
1,000
2 ppb
0
84. Xylenes
10
10 ppm
10
1These arsenic values are effective January 1, 2006. Until then, the MCL is 0.05 mg/L and there is no MCLG.
Key:
AL = Action level.
MCL = Maximum contaminant level.
MCLG = Maximum contaminant level goal.
MFL = Million fibers per liter.
MRDL = Maximum residual disinfectant level.
MRDLG = Maximum residual disinfectant level goal.
mrem/year = Millirems per year (a measure of radiation absorbed by the body).
N/A = Not applicable
NTU = Nephelometric turbidity units.
pCi/l = Picocuries per liter (a measure of radioactivity).
ppm = Parts per million, or milligrams per liter (mg/l).
ppb = Parts per billion, or micrograms per liter (μg/l).
ppt = Parts per trillion, or nanograms per liter (ng/l).
ppq = Parts per quadrillion, or picograms per liter (pg/l).
TT = Treatment technique.
(b) In order to show potential sources of contamination for the table required by section 3 of this rule, a CWS shall use the following table:
Table 6-2: Regulated Contaminants
Contaminant (units)
MCLG
MCL
Major Sources in Drinking Water
Microbiological contaminants
1. Total coliform bacteria
0
5% of monthly samples are positive (systems that collect forty (40) or more samples per month); one (1) positive monthly sample (systems that collect fewer than forty (40) samples per month).
Naturally present in the environment.
2. Fecal coliform and E. coli
0
A routine sample and a repeat sample are total coliform positive, and one (1) is also fecal coliform or E. coli positive.
Human and animal fecal waste.
3. Total organic carbon
n/a
TT
Naturally present in the environment.
4. Turbidity
n/a
TT
Soil run-off.
Radioactive contaminants
5. Beta/photon emitters (mrem/year)
0
4
Decay of natural and manmade deposits.
6. Alpha emitters (pCi/l)
0
15
Erosion of natural deposits.
7. Combined radium (pCi/l)
0
5
Erosion of natural deposits.
8. Uranium (ppb)
0
30
Erosion of natural deposits.
Inorganic contaminants
9. Antimony (ppb)
6
6
Discharge from petroleum refineries; fire retardants; ceramics; electronics; solder.
10. Arsenic (ppb)
01
101
Erosion of natural deposits; run-off from orchards; run-off from glass and electronics production wastes.
11. Asbestos (MFL)
7
7
Decay of asbestos cement water mains; erosion of natural deposits.
12. Barium (ppm)
2
2
Discharge of drilling wastes; discharge from metal refineries; erosion of natural deposits.
13. Beryllium (ppb)
4
4
Discharge from metal refineries and coal-burning factories; discharge from electrical, aerospace, and defense industries.
14. Bromate (ppb)
0
10
Byproduct of drinking water disinfection.
15. Cadmium (ppb)
5
5
Corrosion of galvanized pipes; erosion of natural deposits; discharge from metal refineries; run-off from waste batteries and paints.
16. Chloramines (ppm)
MRDLG = 4
MRDL = 4.0
Water additive used to control microbes.
17. Chlorine (ppm)
MRDLG = 4
MRDL = 4.0
Water additive used to control microbes.
18. Chlorine dioxide (ppb)
MRDLG = 800
MRDL = 800
Water additive used to control microbes.
19. Chlorite (ppm)
0.8
1
Byproduct of drinking water disinfection.
20. Chromium (ppb)
100
100
Discharge from steel and pulp mills; erosion of natural deposits.
21. Copper (ppm)
1.3
AL = 1.3
Corrosion of household plumbing systems; erosion of natural deposits; leaching from wood preservatives.
22. Cyanide (ppb)
200
200
Discharge from steel/metal factories; discharge from plastic and fertilizer factories.
23. Fluoride (ppm)
4
4
Erosion of natural deposits; water additive that promotes strong teeth; discharge from fertilizer and aluminum factories.
24. Lead (ppb)
0
AL = 15
Corrosion of household plumbing systems; erosion of natural deposits.
25. Mercury (inorganic) (ppb)
2
2
Erosion of natural deposits; discharge from refineries and factories; run-off from landfills; run-off from cropland.
26. Nitrate (as nitrogen) (ppm)
10
10
Run-off from fertilizer use; leaching from septic tanks, sewage; erosion of natural deposits.
27. Nitrite (as nitrogen) (ppm)
1
1
Run-off from fertilizer use; leaching from septic tanks, sewage; erosion of natural deposits.
28. Selenium (ppb)
50
50
Discharge from petroleum and metal refineries; erosion of natural deposits; discharge from mines.
29. Thallium (ppb)
0.5
2
Leaching from ore-processing sites; discharge from electronics, glass, and drug factories.
Synthetic organic contaminants, including pesticides and herbicides
30. 2,4-D (ppb)
70
70
Run-off from herbicide used on row crops.
31. 2,4,5-TP (Silvex) (ppb)
50
50
Residue of banned herbicide.
32. Acrylamide
0
TT
Added to water during sewage/wastewater treatment.
33. Alachlor (ppb)
0
2
Run-off from herbicide used on row crops.
34. Atrazine (ppb)
3
3
Run-off from herbicide used on row crops.
35. Benzo(a)pyrene (PAH) (ppt)
0
200
Leaching from linings of water storage tanks and distribution lines.
36. Carbofuran (ppb)
40
40
Leaching of soil fumigant used on rice and alfalfa.
37. Chlordane (ppb)
0
2
Residue of banned termiticide.
38. Dalapon (ppb)
200
200
Run-off from herbicide used on rights-of-way.
39. Di(2-ethylhexyl)adipate (ppb)
400
400
Discharge from chemical factories.
40. Di(2-ethylhexyl)phthalate (ppb)
0
6
Discharge from rubber and chemical factories.
41. Dibromochloropropane (ppt)
0
200
Run-off/leaching from soil fumigant used on soybeans, cotton, pineapples, and orchards.
42. Dinoseb (ppb)
7
7
Run-off from herbicide used on soybeans and vegetables.
43. Diquat (ppb)
20
20
Run-off from herbicide use.
44. Dioxin (2,3,7,8-TCDD) (ppq)
0
30
Emissions from waste incineration and other combustion; discharge from chemical factories.
45. Endothall (ppb)
100
100
Run-off from herbicide use.
46. Endrin (ppb)
2
2
Residue of banned insecticide.
47. Epichlorohydrin
0
TT
Discharge from industrial chemical factories; an impurity of some water treatment chemicals.
48. Ethylene dibromide (ppt)
0
50
Discharge from petroleum refineries.
49. Glyphosate (ppb)
700
700
Run-off from herbicide use.
50. Heptachlor (ppt)
0
400
Residue of banned pesticide.
51. Heptachlor epoxide (ppt)
0
200
Breakdown of heptachlor.
52. Hexachlorobenzene (ppb)
0
1
Discharge from metal refineries and agricultural chemical factories.
53. Hexachlorocyclopentadiene (ppb)
50
50
Discharge from chemical factories.
54. Lindane (ppt)
200
200
Run-off/leaching from insecticide used on cattle, lumber, and gardens.
55. Methoxychlor (ppb)
40
40
Run-off/leaching from insecticide used on fruits, vegetables, alfalfa, and livestock.
56. Oxamyl (vydate) (ppb)
200
200
Run-off/leaching from insecticide used on apples, potatoes, and tomatoes.
57. PCBs (polychlorinated biphenyls) (ppt)
0
500
Run-off from landfills; discharge of waste chemicals.
58. Pentachlorophenol (ppb)
0
1
Discharge from wood preserving factories.
59. Picloram (ppb)
500
500
Herbicide run-off.
60. Simazine (ppb)
4
4
Herbicide run-off.
61. Toxaphene (ppb)
0
3
Run-off/leaching from insecticide used on cotton and cattle.
Volatile organic contaminants
62. Benzene (ppb)
0
5
Discharge from factories; leaching from gas storage tanks and landfills.
63. Carbon tetrachloride (ppb)
0
5
Discharge from chemical plants and other industrial activities.
64. Chlorobenzene (ppb)
100
100
Discharge from chemical and agricultural chemical factories.
65. o-Dichlorobenzene (ppb)
600
600
Discharge from industrial chemical factories.
66. p-Dichlorobenzene (ppb)
75
75
Discharge from industrial chemical factories.
67. 1,2-Dichloroethane (ppb)
0
5
Discharge from industrial chemical factories.
68. 1,1-Dichloroethylene (ppb)
7
7
Discharge from industrial chemical factories.
69. cis-1,2-Dichloroethylene (ppb)
70
70
Discharge from industrial chemical factories.
70. trans-1,2-Dichloroethylene (ppb)
100
100
Discharge from industrial chemical factories.
71. Dichloromethane (ppb)
0
5
Discharge from pharmaceutical and chemical factories.
72. 1,2-Dichloropropane (ppb)
0
5
Discharge from industrial chemical factories.
73. Ethylbenzene (ppb)
700
700
Discharge from petroleum refineries.
74. Haloacetic Acids (HAA) (ppb)
n/a
60
Byproduct of drinking water disinfection.
75. Styrene (ppb)
100
100
Discharge from rubber and plastic factories; leaching from landfills.
76. Tetrachloroethylene (ppb)
0
5
Discharge from factories and dry
cleaners.
77. 1,2,4-Trichlorobenzene (ppb)
70
70
Discharge from textile-finishing factories.
78. 1,1,1-Trichloroethane (ppb)
200
200
Discharge from metal degreasing sites and other factories.
79. 1,1,2-Trichloroethane (ppb)
3
5
Discharge from industrial chemical factories.
80. Trichloroethylene (ppb)
0
5
Discharge from metal degreasing sites and other factories.
81. TTHMs (total trihalomethanes) (ppb)
n/a
80
Byproduct of drinking water chlorination.
82. Toluene (ppm)
1
1
Discharge from petroleum factories.
83. Vinyl chloride (ppb)
0
2
Leaching from PVC piping; discharge from plastics factories.
84. Xylenes (ppm)
10
10
Discharge from petroleum factories; discharge from chemical factories.
1These arsenic values are effective January 1, 2006. Until then, the MCL is 0.05 mg/l and there is no MCLG.
Key:
AL = Action level.
MCL = Maximum contaminant level.
MCLG = Maximum contaminant level goal.
MFL = Million fibers per liter.
MRDL = Maximum residual disinfectant level.
MRDLG = Maximum residual disinfectant level goal.
mrem/year = millirems per year (a measure of radiation absorbed by the body).
N/A = Not applicable.
NTU = Nephelometric turbidity units.
pCi/l = Picocuries per liter (a measure of radioactivity).
ppm = Parts per million, or milligrams per liter (mg/l).
ppb = Parts per billion, or micrograms per liter (μg/l).
ppt = Parts per trillion, or nanograms per liter (ng/l).
ppq = Parts per quadrillion, or picograms per liter (pg/l).
TT = Treatment technique.
(c) The language in section 17 of this rule shall be used if there is a violation referenced in section 3 of this rule and health effects language is required. (Water Pollution Control Division; 327 IAC 8-2.1-6; filed Mar 22, 2000, 3:23 p.m.: 23 IR 1903; filed Nov 20, 2001, 10:20 a.m.: 25 IR 1100; filed May 1, 2003, 12:00 p.m.: 26 IR 2822; filed Jun 13, 2005, 2:30 p.m.: 28 IR 3227)