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Indiana Administrative Code (Last Updated: December 20, 2016) |
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Title 327. WATER POLLUTION CONTROL DIVISION |
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Article 327IAC8. PUBLIC WATER SUPPLY |
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Rule 327IAC8-2.1. Consumer Confidence Reports |
Section 327IAC8-2.1-16. Drinking water violations; other situations requiring public notice
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(a) Drinking water violations and other situations that require public notice according to this rule are contained in the following table:
Table 16. Drinking Water Violations and Other Situations Requiring Public Notice
Contaminant
MCL/MRDL/TT/AL Violations
Monitoring and Testing Procedure Violations
Tier of Public Notice Required
Citation
Tier of Public Notice Required
Citation
I. Violations of Drinking Water Regulations:
A. Microbiological Contaminants
1. Total coliform
2
3
327 IAC 8-2-8; 327 IAC 8-2-8.1; 327 IAC 8-2-8(f); 327 IAC 8-2-8.2; 327 IAC 8-2-8.3
2. Fecal coliform/E. coli
1
1, 3
3. Turbidity (resulting from a single exceedance of maximum allowable turbidity levels) (TT)
2,1
327 IAC 8-2-8.5(a); 327 IAC 8-2.6-3(1)(B); 327 IAC 8-2.6-3(2); 327 IAC 8-2.6-3(3)
3
327 IAC 8-2-8.8(b); 327 IAC 8-2.6-4
4. Surface water treatment rule violations, other than violations resulting from single exceedance of maximum allowable turbidity level (TT)
2
327 IAC 8-2-8.5; 327 IAC 8-2-8.6
3
5. Interim enhanced surface water treatment rule violations, other than violations resulting from single exceedance of maximum allowable turbidity level (TT)
2
327 IAC 8-2.6-1; 327 IAC 8-2.6-2; 327 IAC 8-2.6-3
3
327 IAC 8-2.6-2; 327 IAC 8-2.6-4
6. Filter backwash recycling rule
2
3
7. Long-term 1 enhanced surface water treatment rule violations, other than violations resulting from single exceedance of maximum allowable turbidity level (TT)
2
327 IAC 8-2.6-1; 327 IAC 8-2.6-2.1; 327 IAC 8-2.6-3
3
327 IAC 8-2.6-2.1; 327 IAC 8-2.6-4
8. Long-term 2 enhanced surface water treatment rule violations
2
327 IAC 8-2.6-11 through 327 IAC 8-2.6-20
2, 3
327 IAC 8-2.6-8(b)(1) through 327 IAC 8-2.6-8(b)(5) and 327 IAC 8-2.6-9 and 327 IAC 8-2.6-10
9. Ground water rule violations
2
3
327 IAC 8-2.3-4(h); 327 IAC 8-2.3-6(d)
B. Inorganic Chemicals (IOCs)
1. Antimony
2
3
327 IAC 8-2-4.1(c); 327 IAC 8-2-4.1(e)
2. Arsenic
2
3
327 IAC 8-2-4.1(c); 327 IAC 8-2-4.1(e)
3. Asbestos (fibers >10 μm)
2
3
327 IAC 8-2-4.1(c); 327 IAC 8-2-4.1(d)
4. Barium
2
3
327 IAC 8-2-4.1(c); 327 IAC 8-2-4.1(e)
5. Beryllium
2
3
327 IAC 8-2-4.1(c); 327 IAC 8-2-4.1(e)
6. Cadmium
2
3
327 IAC 8-2-4.1(c); 327 IAC 8-2-4.1(e)
7. Chromium (total)
2
3
327 IAC 8-2-4.1(c); 327 IAC 8-2-4.1(e)
8. Cyanide
2
3
327 IAC 8-2-4.1(c); 327 IAC 8-2-4.1(e)
9. Fluoride
2
3
327 IAC 8-2-4.1(c); 327 IAC 8-2-4.1(e)
10. Mercury (inorganic)
2
3
327 IAC 8-2-4.1(c); 327 IAC 8-2-4.1(e)
11. Nitrate
1
1, 3
327 IAC 8-2-4.1(c); 327 IAC 8-2-4.1(f); 327 IAC 8-2-4.1(h)(2)
12. Nitrite
1
1, 3
327 IAC 8-2-4.1(c); 327 IAC 8-2-4.1(g); 327 IAC 8-2-4.1(h)(2)
13. Total nitrate and nitrite
1
3
14. Selenium
2
3
327 IAC 8-2-4.1(c); 327 IAC 8-2-4.1(e)
15. Thallium
2
3
327 IAC 8-2-4.1(c); 327 IAC 8-2-4.1(e)
C. Lead and Copper Rule
1. Lead and copper rule (TT)
2
327 IAC 8-2-36; 327 IAC 8-2-40; 327 IAC 8-2-41; 327 IAC 8-2-42; 327 IAC 8-2-43; 327 IAC 8-2-44
3
327 IAC 8-2-37; 327 IAC 8-2-38; 327 IAC 8-2-39; 327 IAC 8-2-45
D. Synthetic Organic Chemicals (SOCs)
1. 2,4-D
2
3
2. 2,4,5-TP (silvex)
2
3
3. Alachlor
2
3
4. Atrazine
2
3
5. Benzo[a]pyrene (PAHs)
2
3
6. Carbofuran
2
3
7. Chlordane
2
3
8. Dalapon
2
3
9. Di (2-ethylhexyl) adipate
2
3
10. Di (2-ethylhexyl) phthalate
2
3
11. Dibromochloropropane
2
3
12. Dinoseb
2
3
13. Dioxin (2,3,7,8-TCDD)
2
3
14. Diquat
2
3
15. Endothall
2
3
16. Endrin
2
3
17. Ethylene dibromide
2
3
18. Glyphosate
2
3
19. Heptachlor
2
3
20. Heptachlor epoxide
2
3
21. Hexachlorobenzene
2
3
22. Hexachlorocyclopentadiene
2
3
23. Lindane
2
3
24. Methoxychlor
2
3
25. Oxamyl (vydate)
2
3
26. Pentachlorophenol
2
3
27. Picloram
2
3
28. Polychlorinated biphenyls (PCBs)
2
3
29. Simazine
2
3
30. Toxaphene
2
3
E. Volatile Organic Chemicals (VOCs)
1. Benzene
2
3
2. Carbon tetrachloride
2
3
3. Chlorobenzene (monochlorobenzene)
2
3
4. o-Dichlorobenzene
2
3
5. p-Dichlorobenzene
2
3
6. 1,2-Dichloroethane
2
3
7. 1,1-Dichloroethylene
2
3
8. cis-1,2-Dichloroethylene
2
3
9. trans-1,2-Dichloroethylene
2
3
10. Dichloromethane
2
3
11. 1,2-Dichloropropane
2
3
12. Ethylbenzene
2
3
13. Styrene
2
3
14. Tetrachloroethylene
2
3
15. Toluene
2
3
16. 1,2,4-Trichlorobenzene
2
3
17. 1,1,1-Trichloroethane
2
3
18. 1,1,2-Trichloroethane
2
3
19. Trichloroethylene
2
3
20. Vinyl chloride
2
3
21. Xylenes (total)
2
3
F. Radioactive Contaminants
1. Beta/photon emitters
2
3
327 IAC 8-2-10.2; 327 IAC 8-2-10.2(b)
2. Alpha emitters
2
3
327 IAC 8-2-10.2; 327 IAC 8-2-10.2(a)
3. Combined radium (226 and 228)
2
3
327 IAC 8-2-10.2; 327 IAC 8-2-10.2(a)
4. Uranium
2
3
327 IAC 8-2-10.2; 327 IAC 8-2-10.2(a)
G. Disinfection Byproducts (DBPs). Where disinfection is used in the treatment of drinking water, disinfectants combine with organic and inorganic matter present in water to form chemicals called disinfection byproducts (DBPs). EPA sets standards for controlling the levels of DBPs in drinking water.
1. TTHMs
2
3
327 IAC 8-2-5.3, and 327 IAC 8-2.5-10(b)(1) through 327 IAC 8-2.5-10(b)(6), 327 IAC 8-2.5-11 through 327 IAC 8-2.5-20
2. HAA5
2
3
327 IAC 8-2.5-6(a), 327 IAC 8-2.5-6(b) and 327 IAC 8-2.5-10(b)(1) through 327 IAC 8-2.5-10(b)(6), 327 IAC 8-2.5-11 through 327 IAC 8-2.5-20
3. Bromate
2
3
327 IAC 8-2.5-6(a) and 327 IAC 8-2.5-6(b)
4. Chlorite
2
3
327 IAC 8-2.5-6(a) and 327 IAC 8-2.5-6(b)
5. Chlorine (MRDL)
2
3
327 IAC 8-2.5-6(a) and 327 IAC 8-2.5-6(c)
6. Chloramine (MRDL)
2
3
327 IAC 8-2.5-6(a) and 327 IAC 8-2.5-6(c)
7. Chlorine dioxide (MRDL), where any 2 consecutive daily samples at entrance to distribution system only are above MRDL
2
2, 3
327 IAC 8-2.5-6(a); 327 IAC 8-2.5-6(c); and 327 IAC 8-2.5-7(c)(2)
8. Chlorine dioxide (MRDL), where samples in distribution system the next day are also above MRDL
1
1
327 IAC 8-2.5-6(a); 327 IAC 8-2.5-6(c); and 327 IAC 8-2.5-7(c)(2)
9. Control of DBP precursors - TOC (TT)
2
327 IAC 8-2.5-9(a) and
3
327 IAC 8-2.5-6(a) and 327 IAC 8-2.5-6(d)
10. Benchmarking and disinfection profiling
N/A
N/A
3
327 IAC 8-2.6-2; 327 IAC 8-2.6-2.1
11. Development of monitoring plan
N/A
N/A
3
H. Other Treatment Techniques
1. Acrylamide (TT)
2
N/A
N/A
2. Epichlorohydrin (TT)
2
N/A
N/A
II. Unregulated Contaminant Monitoring:
A. Nickel
N/A
N/A
3
B. Unregulated contaminant monitoring
N/A
N/A
3
40 CFR 141.40*
III. Other Situations Requiring Public Notification:
A. Fluoride secondary maximum contaminant level (SMCL) exceedance
3
40 CFR 143.3*
N/A
N/A
B. Exceedance of nitrate MCL for noncommunity systems, as allowed by the commissioner
1
N/A
N/A
C. Availability of unregulated contaminant monitoring data
3
40 CFR 141.40*
N/A
N/A
D. Waterborne disease outbreak
1
N/A
N/A
E. Other waterborne emergency
1
N/A
N/A
N/A
F. Source water sample positive for GWR fecal indicators: E. coli, enterococci, or coliphage
1
N/A
N/A
G. Other situations as determined by the commissioner
1, 2, 3
N/A
N/A
N/A
Key:
MCL = Maximum contaminant level.
MRDL = Maximum residual disinfectant level.
TT = Treatment technique.
Violations of drinking water regulations include violations of MCL, MRDL, TT, monitoring, and testing procedure requirements.
(b) Drinking water violations and other situations that require public notice according to this rule are contained in the following provisions:
(1) Violations and other situations not listed in Table 16 in subsection (a), such as reporting violations and failure to prepare the consumer confidence report do not require notice, unless otherwise determined by the commissioner. The commissioner may require a more stringent public notice tier, such as:
(A) Tier 1 instead of Tier 2; or
(B) Tier 2 instead of Tier 3;
for specific violations and situations listed in Table 16 in subsection (a).
(2) Failure to test for fecal coliform or E. coli is a Tier 1 violation if testing is not done after any repeat sample tests positive for coliform. All other total coliform monitoring and testing procedure violations are Tier 3.
(3) Systems with treatment technique violations involving a single exceedance of maximum turbidity limit under the:
(A) surface water treatment rule (SWTR) located at 327 IAC 8-2-8.5 through 327 IAC 8-2-8.8;
(B) interim enhanced surface water treatment rule (IESWTR), located at 327 IAC 8-2.6-1 through 327 IAC 8-2.6-5; or
(C) long-term 1 enhanced surface water treatment rule (LT1ESWTR), located at 327 IAC 8-2.6-1 through 327 IAC 8-2.6-5;
are required to initiate consultation with the commissioner within twenty-four (24) hours after learning of the violation. Based on this consultation, the commissioner may subsequently decide to elevate the violation to Tier 1. If a system is unable to make contact with the commissioner in the twenty-four (24) hour period, the violation is automatically elevated to Tier 1.
(4) Failure to take a confirmation sample within twenty-four (24) hours for nitrate or nitrite after an initial sample exceeds the MCL is a Tier 1 Violation. Other monitoring violations for nitrate are Tier 3.
(5) Failure to monitor for chlorine dioxide at the entrance to the distribution system the day after exceeding the MRDL is a Tier 2 violation.
(6) If any daily sample taken at the entrance to the distribution system exceeds the MRDL for chlorine dioxide and one (1) or more samples taken in the distribution system the next day exceed the MRDL, Tier 1 notification is required. Failure to take the required samples in the distribution system after the MRDL is exceeded at the entry point also triggers Tier 1 notification.
(7) Other waterborne emergencies require a Tier 1 public notice under section 8(a) of this rule for situations that do not meet the definition of a waterborne disease outbreak given in 327 IAC 8-2-1 but still have the potential to have serious adverse effects on health as a result of short-term exposure. These waterborne emergencies could include outbreaks not related to treatment deficiencies, as well as situations that have the potential to cause outbreaks, such as any of the following:
(A) Failures or significant interruption in water treatment processes.
(B) Natural disasters that disrupt the water supply or distribution system.
(C) Chemical spills.
(D) Unexpected loading of possible pathogens into the source water.
(8) The commissioner may place other situations in any tier believed appropriate, based on threat to public health.
(9) Failure to collect three (3) or more samples for Cryptosporidium is a Tier 2 violation requiring special notice as specified in 327 IAC 8-2.1-18.
*The Code of Federal Regulations (CFR) citations are incorporated by reference and are available for copying at the Indiana Department of Environmental Management, Office of Water Quality, 100 North Senate Avenue, Room N1255, Indianapolis, Indiana 46204. (Water Pollution Control Division; 327 IAC 8-2.1-16; filed Nov 20, 2001, 10:20 a.m.: 25 IR 1115; errata filed Feb 22, 2002, 2:01 p.m.: 25 IR 2254; filed May 1, 2003, 12:00 p.m.: 26 IR 2829; filed Jun 13, 2005, 2:30 p.m.: 28 IR 3236; errata filed Jul 6, 2005, 3:15 p.m.: 28 IR 3583; filed Jul 13, 2007, 11:58 a.m.: 20070808-IR-327060044FRA; filed May 7, 2010, 9:30 a.m.: 20100602-IR-327080198FRA)