Hawaii Administrative Rules
Title 11 - DEPARTMENT OF HEALTH
Subtitle 1 - GENERAL DEPARTMENTAL PROVISIONS
Chapter 20 - RULES RELATING TO PUBLIC WATER SYSTEMS
Appendix G - NPDWR VIOLATIONS AND OTHER SITUATIONS REQUIRING PUBLIC NOTICE (FEBRUARY 13, 2013)

Universal Citation: HI Admin Rules G
Current through February, 2024

MCL/MRDL/TT Violations2

Monitoring Testing Procedure Violations

Contaminant

Tier of Public Notice Required

Citation

Tier of Public Notice Required

Citation

I. Violations of National Primary Drinking Water Regulations (NPDWR)3

A. Microbiological Contaminants

1.a Total coliform bacteria [DAGGER]

2

141.63(a)

3

141.21 (a)-(e)

1.b Total coliform (Monitoring or TT violations resulting from failure to perform assessments or corrective actions) [DOUBLE DAGGER]

2

141.860(b)

3

141.860(c)

2.a Fecal coliform/ E. coli [DAGGER]

1

141.63(b)

41,3

141.21(e)

2.b E. coli [DOUBLE DAGGER]

1

141.860(a)

3

141.860(c)

141,860(d)(2)

2.C E. coli (TT violations resulting from failure to perform level 2 Assessments or corrective action)

2

141.860(b)

 ........ ..........

3. Turbidity MCL

2

141.13(a)

3

141.22

4. Turbidity MCL (average of 2 days= samples >5NTU

52, 1

141.13(b)

3

141.22

5. Turbidity (for TT violations resulting from a single exceedance of maximum allowable turbidity level)

62, 1

141.71(a)(2),

141.71(c)(2)(i),

141.73(a)(2),

141.73(b)(2),

141.73(c)(2),

141.73(d),

141.173(a)(2),

141.173(b)

141,551(b)

3

141.74(a)(1),

141.74(b)(2),

141.74(c)(1),

141.174

141.560(a)-(c)

141,561

6, Surface Water Treatment Rule violations, other than violations resulting from single exceedance of max. allowable turbidity level (TT)

2

141.70-141.73

3

141.74

7. Interim Enhanced Surface Water Treatment Rule violations, other than violations resulting from single exceedance of max. turbidity level (TT)

2

7141,170-141.173

141.500-141.553

3

141.172, 141.174

141.530-141.544

141.560-141.564

8. Filter Backwash Recycling Rule violations

2

141.76(c)

3

141.76(b),(d)

9. Long Term 1 Enhanced Surface Water Treatment Rule violations

2

141.500-141,553

3

141.530-141.544,

141.560-141.564

10. LT2ESWTR violations

2

141.710-141.720

222,3

141,701-141.705

and

141.708-141.709

11. Ground Water Rule violations

2

141.404

3

141.402(h),

141.403(d)

B. Inorganic Chemicals (lOCs)

1. Antimony

2

141.62(b)

3

141.23(a), (c)

2. Arsenic

2

141.11(b)

3

11141.23(a), (c)

3. Asbestos (fibers)10 µm)

2

141.62(b)

3

141.23(a)-(b)

4. Barium

2

141.62(b)

3

141.23(a), (c)

5. Beryllium

2

141.62(b)

3

141.23(a), (c)

6. Cadmium

2

141.62(b)

3

141.23(a), (c)

7. Chromium (total)

2

141.62(b)

3

141.23(a), (c)

8. Cyanide

2

141.62(b)

3

141.23(a), (c)

9. Fluoride

2

141.62(b)

3

141.23(a), (c)

10. Mercury (inorganic)

2

141.62(b)

3

141.23(a), (c)

11. Nitrate

1

141.62(b)

121,3

141.23(a), (d), 141.23(f)(2)

12. Nitrite

1

141.62(b)

121,3

141.23(a), (e), 141.23(f)(2)

13. Total Nitrate and Nitrite

1

141.62(b)

3

141.23(a)

14. Selenium

2

141.62(b)

3

141.23(a), (c)

15. Thallium

2

141.62(b)

3

141.23(a), (c)

C. Lead and Copper Rule (Action Level for lead is 0.015 mg/L, for copper is 1.3 mg/L)

1. Lead and Copper Rule (TT)

2

141.80-141.85

3

141.86-141.89

D. Synthetic Organic Chemicals (SOCs)

1. 2,4-D

2

141.61(c)

3

141.24(h)

2. 2,4,5-TP (Silvex)

2

141.61(c)

3

141.24(h)

3. Alachlor

2

141.61(0)

3

141.24(h)

4. Atrazine

2

141.61(c)

3

141,24(h)

5. Benzo(a)pyrene (PAHs)

2

141.61(c)

3

141.24(h)

6. Carbofuran

2

141.61(c)

3

141.24(h)

7. Chlordane

2

141.61(c)

3

141.24(h)

8. Dalapon

2

141.61(c)

3

141.24(h)

9. Di (2-ethylhexyl) adipate

2

141.61(c)

3

141.24(h)

10. Di (2-ethylhexyl) phthalate

2

141.61(c)

3

141.24(h)

11. Dibromochloropropane

2

141.61(c)

3

141.24(h)

12. Dinoseb

2

141.61(c)

3

141.24(h)

13. Dioxin (2,3,7,8-TCDD)

2

141.61(c)

3

141.24(h)

14. Diquat

2

141.61(c)

3

141.24(h)

15. Endothall

2

141.61(c)

3

141.24(h)

16. Endrin

2

141.61(c)

3

141.24(h)

17. Ethylene dibromide

2

141.61(c)

3

141.24(h)

18. Glyphosate

2

141.61(c)

3

141.24(h)

19. Heptachlor

2

141.61(c)

3

141.24(h)

20, Heptachlor epoxide

2

141.61(c)

3

141.24(h)

21. Hexachlorobenzene

2

141.61(c)

3

141.24(h)

22. Hexachlorocyclo-pentadiene

2

141.61(c)

3

141.24(h)

23. Lindane

2

141.61(c)

3

141.24(h)

24. Methoxychlor

2

141.61(c)

3

141.24(h)

25. Oxamyl (Vydate)

2

141.61(c)

3

141.24(h)

26. Pentachlorophenol

2

141.61(c)

3

141.24(h)

27. Picloram

2

141.61(c)

3

141.24(h)

28. Polychlorinated biphenyls tPCBs)

2

141.61(c)

3

141.24(h)

29. Siraazine

2

141.61(c)

3

141.24(h5

30. Toxaphene

2

141.61(c)

3

141.24(h)

31. 1,2,3-

Trichloropropane

2

11-20-4(d)

3

11-20-12(e)

E. Volatile Organic Chemicals (VOCs)

1. Benzene

2

141.61(a)

3

141.24(f)

2. Carbon tetrachloride

2

141.61(a)

3

141.24(f)

3. Chlorobenzene (monochlorobenzene)

2

141.61(a)

3

141.24(f)

4. o-Dichlorobenzene

2

141.61(a)

3

141.24(f)

5. p-Dichlorobenzene

2

141.61(a)

3

141.24(f)

6. 1,2-Dichloroethane

2

141.61(a)

3

141.24(f)

7. 1, 1-Dichloroethylene

2

141.61(a)

3

141.24(f)

8. cis-1,2- Dichloroethylene

2

141.61(a)

3

141.24(f)

9. trans-1,2- Dichloroethylene

2

141.61(a)

3

141.24(f)

10. Dichloromethane

2

141.61(a)

3

141.24(f)

11. 1,2-Dichloropropane

2

141.61(a)

3

141.24(f)

12. Ethylbenzene

2

141.61(a)

3

141.24(f)

13. Styrene

2

141.61(a)

3

141.24(f)

14. Tetrachloroethylene

2

141.61(a)

3

141.24(f)

15. Toluene

2

141.61(a)

3

141.24(f)

16. 1,2,4- Trichlorobenzene

2

141.61(a)

3

141.24(f)

17. 1,1,1- Trichloroethane

2

141.61(a)

3

141.24(f)

18. 1,1,2- Trichloroethane

2

141.61(a)

3

141.24(f)

19. Trichloroethylene

2

141.61(a)

3

141.24(f)

20. Vinyl chloride

2

141.61(a)

3

141.24(f)

21. Xylenes (total)

2

141.61(a)

3

141.24(f)

F. Radioactive Contaminants

1. Beta/photon emitters

2

141.66(d)

3

141.25(a), 141.26(b)

2. Alpha emitters

2

141.66(c)

3

141.25(a), 141.26(a)

3. Combined radium (226 & 228)

2

141.66(b)

3

141.25(a), 141.26(a)

4. Uranium

92

141.66(e)

103

141.25(a), 141.26(a)

G. Disinfection Byproducts (DBFs), Byproduct Precursors, Disinfectant Residuals. 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 (DBFs). EPA sets standards for controlling the levels of disinfectants and DSPs in drinking water, including trihalomethanes (THMs) and haloacetic acids (HAA5).13

1. Total trihalomethanes (TTHMs)

2

14141.64(b)

3

141.132(a)-(b)

141.600-141.605, 141.620-141.629

2. Haloacetic Acids (HAA5)

2

141.64(b)

3

141,132(a)-(b)

141.600-141.605, 141.620-141.629

3. Bromate

2

141.64(a)

3

141.132(a)-(b)

4. Chlorite

2

141.64(a)

3

141.132(a)-(b)

5. Chlorine (MRDL)

2

141.65(a)

3

141.132.(a),(c)

6. Chloramine (MRDL)

2

141.65(a)

3

141.132(a),(c)

7. Chlorine dioxide (MRDL), where any 2 consecutive daily samples at entrance to distribution system only are above MRDL

2

141.65(a) 141.133(c)(3)

152,3

141.132(a), (c), 141.133(c)(2)

8. Chlorine dioxide (MRDL), where samples(s) in distribution system the next day are also above MRDL

161

141.65(a), 141.133(c)(3)

1

141.132(a), (c), 141.133(c)(2)

9. Control of DBP precursors- TOC (TT)

2

141.135(a)-(b)

3

141.132(a), (d)

10. Bench marking and disinfection profiling

N/A

N/A

3

141.172

141.530-141.544

11. Development of monitoring plan

N/A

N/A

3

141.132(f)

H. Other Treatment Techniques

1. Acrylamide (TT)

2

141.111

N/A

N/A

2. Epichlorohydrin (TT)

2

141.111

N/A

N/A

II. Unregulated Contaminant Monitoring17:

A. Unregulated contaminants

N/A

N/A

3

141.40

B. Nickel

N/A

N/A

3

141.23(c), (k)

III. Public Notification for Variances and Exemptions:

A. Operation under a variance or exemption

3

18415, 1416

N/A

N/A

B. Violation of conditions of a variance or exemption

2

1415, 1416,

19142.307

N/A

N/A

IV. Other Situations Requiring Public Notification:

A. Fluoride secondary maximum contaminant level (SMCL) exceedance

3

143.3

N/A

N/A

B. Exceedance of nitrate MCL for non-community systems, as allowed by State

1

141.11(d)

N/A

N/A

C. Availability of unregulated contaminant monitoring data

3

141.40

N/A

N/A

D. Waterborne disease outbreak

1

141.2, 141.71(c)(2)(ii)

N/A

N/A

E. Other waterborne emergency20

1

N/A

N/A

N/A

F. Source Water Sample Positive for GWR Fecal indicators: E. coli, enterococci, or coliphage

1

141.402(g)

N/A

N/A

G. Other situations as determined by the State

211, 2, 3

N/A

N/A

N/A

APPENDIX G - FOOTNOTES

[DAGGER] Until March 31, 2016.

[DOUBLE DAGGER] Beginning April 1, 2016.

1. Violations and other situations not listed in this table (e.g. failure to prepare Consumer Confidence Reports), do not require notice, unless otherwise determined by the state. States may, at their option, also require a more stringent public notice tier (e.g. Tier 1 instead of Tier 2 or Tier 2 instead of Tier 3) for specific violations and situations listed in this Appendix, as authorized under §141.202(a) and §141.203(a).

2. MCL-Maximum contaminant level, MRDL-Maximum residual disinfectant level, TT-Treatment technique.

3. The term Violations of National Primary Drinking Water Regulations (NPDWR) is used here to include violations of MCL, MRDL, treatment technique, monitoring, and testing procedure requirements.

4. 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.

5. Systems that violate the turbidity MCL of 5 NTU based on an average of measurements over two consecutive days must consult with the state within 24 hours after learning of the violation. Based on this consultation, the state may subsequently decide to elevate the violation to Tier 1. If a system is unable to make contact with the state in the 24-hour period, the violation is automatically elevated to Tier 1.

6. Systems with treatment technique violations involving a single exceedance of a maximum turbidity limit under the Surface Water Treatment Rule (SWTR), the Interim Enhanced Surface Water Treatment rule (lESWTR) or the Long Term 1 Enhanced Surface Water Treatment Rule (LTlESWTR) are required to consult with the state within 24 hours after learning of the violation. Based on this consultation, the state may subsequently decide to elevate the violation to Tier 1. If a system is unable to make contact with the state in the 24-hour period, the violation is automatically elevated to Tier 1.

7. Most of the requirements of the Interim Enhanced Surface Water Treatment Rule (63FR69477)( 40C.F.R. §§ 141.170-141.171, 141.173-141.174 ) become effective January 1, 2002 for Subpart H systems (surface water systems and ground water systems under the direct influence of surface water) serving at least 10,000 persons. However, 40C.F.R. § 141.172 has some requirements that become effective as early as April 16, 1999. The Surface Water Treatment Rule remains in effect for systems serving at least 10,000 persons even after 2002; the Interim Enhanced Surface Water Treatment Rule adds additional requirements and does not in many cases supercede the SWTR.

8. The arsenic MCL citations are effective January 23, 2006. Until then, the citations are §141.11 (b) and §141.23 (n).

9. The uranium MCL Tier 2 violation citations are effective December 8, 2003 for all community water systems.

10. The uranium Tier 3 violation citations are effective December 8, 2000 for all community water systems.

11. The arsenic Tier 3 violation MCL citations are effective January 23, 2006. Until then, the citations are §141.23(a), (1).

12. Failure to take a confirmation sample within 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.

13. Subpart H community and non-transient non-community systems serving > 10,000 must comply with new DBP MCLs, disinfectant MRDLs, and related monitoring requirements beginning January 1, 2002. All other community and non-transient non-community systems must meet the MCLs and MRDLs beginning January 1, 2004. Subpart H transient non-community systems serving 10, 000 or more persons and using chlorine dioxide as a disinfectant or oxidant must comply with the chlorine dioxide MRDL beginning January 1, 2002. Subpart H transient non-community systems serving fewer than 10,000 persons and using only ground water not under the direct influence of surface water and using chlorine dioxide as a disinfectant or oxidant must comply with the chlorine dioxide MRDL beginning January 1, 2004.

14. §141.64(b)(1) and §141.132(a)-(b) apply until §§ 141.620-141.630 take effect under the schedule in §141.620(c).

15. Failure to monitor for chlorine dioxide at the entrance to the distribution system the day after exceeding the MRDL at the entrance to the distribution system is a Tier 2 violation.

16. If any daily sample taken at the entrance to the distribution system exceeds the MRDL for chlorine dioxide and one 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.

17. Some water systems must monitor for certain unregulated contaminants listed in 40 C.F.R. § 141.40.

18. This citation refers to §§1415 and 1416 of the Safe Drinking Water Act. §§1415 and 1416 require that "a schedule prescribed...for a public water system granted a variance (or exemption) shall require compliance by the system..."

19. In addition to §§1415 and 1416 of the Safe Drinking Water Act, 40 C,F,R. 142.307 specifies the items and schedule milestones that must be included in a variance for small systems.

20. Other waterborne emergencies require a Tier 1 public notice under §141,202(a) for situations that do not meet the definition of a waterborne disease outbreak given in 40 C.F.R, 141.2 but that still have the potential to have serious adverse effects on health as a result of short-term exposure. These could include outbreaks not related to treatment deficiencies, as well as situations that have the potential to cause outbreaks, such as failures or significant interruption in water treatment processes, natural disasters that disrupt the water supply or distribution system, chemical spills, or unexpected loading of possible pathogens into the source water.

21. States may place other situations in any tier they believe appropriate, based on threat to public health,

22. Failure to collect three or more samples for Cryptosporidium analysis is a Tier 2 violation requiring special notice as specified in §141.211. All other monitoring and testing procedure violations are a Tier 3.

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