Amendments and
Technical Corrections to the Consumer Confidence Report Rule
FROM THE Arsenic Rule[66 FR 6975, 22 January
2001]
10. Amend Sec. 141.154 by revising paragraph (b) and adding paragraph
(f) to read as follows:
Sec. 141.154 Required additional health information.
* * * * *
(b) Ending in the report due by July 1, 2001, a system which detects arsenic
at levels above 0.025 mg/L, but below the 0.05 mg/L, and beginning in
the report due by July 1, 2002, a system that detects arsenic above 0.005
mg/L and up to and including 0.01 mg/L:
(1) Must include in its report a short informational statement about arsenic,
using language such as: While your drinking water meets EPA's standard
for arsenic, it does contain low levels of arsenic. EPA's standard
balances the current understanding of arsenic's possible health effects
against the costs of removing arsenic from drinking water. EPA continues
to research the health effects of low levels of arsenic, which is a mineral
known to cause cancer in humans at high concentrations and is linked to
other health effects such as skin damage and circulatory problems.
(2) May write its own educational statement, but only in consultation
with the Primacy Agency.
* * * * *
(f) Beginning in the report due by July 1, 2002 and ending January 22,
2006, a community water system that detects arsenic above 0.01 mg/L and
up to and including 0.05 mg/L must include the arsenic health effects
language prescribed by Appendix A to Subpart O.
11. Amend Appendix A to Subpart O by revising the entry for arsenic under
``Inorganic contaminants:'' and adding an endnote to read as follows:
Appendix A to Subpart O--Regulated Contaminants
| Contaminant (units) |
Traditional MCL in mg/L |
To convert for CCR multiply by |
MCL in
CCR units |
MCLG |
Major sources in drinking water |
Health effects language |
| * * * *
* * * |
| Inorganic contaminants: |
| * * * *
* * * |
| Arsenic (ppb) |
0.011 |
1000 |
101 |
01 |
Erosion of natural deposits; Runoff from orchards;
Runoff from glass and electronics production wastes. |
Some people who drink water containing arsenic
in excess of the MCL over many years could experience skin damage
or problems with their circulatory system, and may have an increased
risk of getting cancer. |
| * * * *
* * * |
* * * * *
1. These arsenic values are effective January 23, 2006.
Until then, the MCL is 0.05 mg/L and there is no MCLG.
FROM THE Radionuclides Rule [65 FR 76707, 7 December 2000]
**Note: This provision is effective December 8, 2003**
8. The table in appendix A to subpart O is amended under the heading
``Radioactive contaminants'' by revising the entries for ``Beta/photon
emitters (mrem/yr)'', ``Alpha emitters (pCi/l)'', and
``Combined radium (pCi/l)'' and adding a new entry for ``Uranium
(pCi/L)'' to read as follows:
Appendix A to Subpart O--Regulated Contaminants
| Contaminant (units) |
Traditional MCL in mg/L |
To convert for CCR multiply by |
MCL in
CCR units |
MCLG |
Major sources in drinking water |
Health effects language |
| * * * *
* * * |
| Radioactive contaminants: |
| Beta/photon emitters (mrem/yr) |
4 mrem/yr. |
- |
4 |
0 |
Decay of natural and man-made deposits. |
Certain minerals are radioactive and may emit
forms of radiation known as photons and beta radiation. Some people
who drink water containing beta particle and photon radioactivity
in excess of the MCL over many years may have an increased risk
of getting cancer. |
| Alpha emitters (pCi/L) |
15 pCi/L |
- |
15 |
0 |
Erosion of natural deposits. |
Certain minerals are radioactive and may emit
a form of radiation known as alpha radiation. Some people who drink
water containing alpha emitters in excess of the MCL over many years
may have an increased risk of getting cancer. |
| Combined radium (pCi/L) |
5 pCi/L |
- |
5 |
0 |
Erosion of natural deposits. |
Some people who drink water containing radium-226
or - 228 in excess of the MCL over many years may have an increased
risk of getting cancer. |
| Uranium (pCi/L) |
30 µg/L |
- |
30 |
0 |
Erosion of natural deposits. |
Some people who drink water containing uranium
in excess of the MCL over many years may have an increased risk
of getting cancer and kidney toxicity. |
| * * * *
* * * |
* * * * * *
FROM THE Public Notification Rule [65 FR 25981,
4 May 2000]
11. Section 141.153 is amended by:
a. Revising (c)(3) introductory text.
b. Adding paragraphs (c)(3)(iii) and (c)(3)(iv).
c. Revising paragraphs (d)(1)(i), (d)(4)(ix) and (d)(6).
d. Revising paragraphs (f)(3) and (f)(4).
The additions and revisions are as follows:
Sec. 141.153 Content of the reports.
* * * * *
(c) * * *
(3) A report that contains data on contaminants that EPA regulates using
any of the following terms must include the applicable definitions:
* * * * *
(iii) Maximum residual disinfectant level goal or MRDLG: The level of
a drinking water disinfectant below which there is no known or expected
risk to health. MRDLGs do not reflect the benefits of the use of disinfectants
to control microbial contaminants.
(iv) Maximum residual disinfectant level or MRDL: The highest level of
a disinfectant allowed in drinking water. There is convincing evidence
that addition of a disinfectant is necessary for control of microbial
contaminants.
(d) * * *
(1) * * *
(i) Contaminants subject to a MCL, action level, maximum residual disinfectant
level, or treatment technique (regulated contaminants).
* * * * *
(4) * * *
(ix) The likely source(s) of detected contaminants to the best of the
operator's knowledge. Specific information regarding contaminants
may be available in sanitary surveys and source water assessments, and
should be used when available to the operator. If the operator lacks specific
information on the likely source, the report must include one or more
of the typical sources for that contaminant listed in appendix
A to this subpart that is most applicable to the system.
* * * * *
(6) The table(s) must clearly identify any data indicating violations
of MCLs, MRDLs, or treatment techniques, and the report must contain a
clear and readily understandable explanation of the violation including:
the length of the violation, the potential adverse health effects, and
actions taken by the system to address the violation. To describe the
potential health effects, the system must use the relevant language of
appendix A to this subpart.
* * * * *
(f) * * *
(3) Lead and copper control requirements prescribed by subpart I of this
part. For systems that fail to take one or more actions prescribed by
Secs. 141.80(d), 141.81, 141.82, 141.83 or 141.84, the report must include
the applicable language of appendix A to this subpart for lead, copper,
or both.
(4) Treatment techniques for Acrylamide and Epichlorohydrin prescribed
by subpart K of this part. For systems that violate the requirements of
subpart K of this part, the report must include the relevant language
from appendix A to this subpart.
* * * * *
12. Section 141.154 is amended by revising paragraph (e) to read as follows:
Sec. 141.154 Required additional health information.
* * * * *
(e) Community water systems that detect TTHM above 0.080 mg/l, but below
the MCL in Sec. 141.12, as an annual average, monitored and calculated
under the provisions of Sec. 141.30, must include health effects language
for TTHMs prescribed by appendix A.
13. Section 141.155 is amended by revising paragraph (h) to read as follows:
Sec. 141.155 Report delivery and record keeping.
* * * * *
(h) Any system subject to this subpart must retain copies of its Consumer
Confidence Report for no less than 3 years.
14. Appendix A to Subpart O is revised to read as follows:
[NB - Appendix A is revised to include all information formerly contained
in Appendices A, B, and C. It is also expanded to include information
on contaminants newly regulated under the Interim Enhanced Surface Water
Treatment Rule and Stage 1 Disinfection Byproducts Rule. See the Federal
Register notice for the complete Appendix as revised.]
15. Appendices B and C to Subpart O are removed.
FROM THE 3rd CCR TECHNICAL CORRECTION
[64 FR49671,
14 September 1999]
PART 141--[AMENDED]
2. Appendix B to Subpart O is amended by revising entry 68 to read as
follows:
Appendix B to Subpart O-Regulated Contaminants
* * * * *
-------------------------------------------------------------------------------------------
Contaminant (units) MCLG MCL Major sources in drinking water
-------------------------------------------------------------------------------------------
* * * *
* * *
68. Tetrachloroethylene (ppb) 0 5 Discharge from factories and dry cleaners.
* * * *
* * *
-------------------------------------------------------------------------------------------
FROM THE 2nd CCR TECHNICAL CORRECTION
[64 FR 34732,
29 June 1999]
PART 141--[CORRECTED]
1. On page 44528, in the middle column, in Sec. 141.153(f), correct ``Sec.
141.153(d)(7)'' to read ``Sec. 141.153(d)(6)''.
2. On page 44529, in the middle column, in Sec. 141.154, correct ``(d)
Systems which detect lead above the action level in more than 5%, but
fewer that 10%, of homes sampled:'' to read ``(d) Systems which
detect lead above the action level in more than 5%, and up to and including
10%, of homes sampled:''
3. In Appendix A to subpart O, on page 44530, in the fourth column of
the table, line 1, correct ``presence of coliform bacteria in 5% of monthly
samples'' to read ``(systems that collect 40 or more samples per
month) 5% of monthly samples are positive; (systems that collect fewer
than 40 samples per month) 1 positive monthly sample''.
4. In Appendix A to subpart O, on page 44531, in the fifth column of the
table, line 73, correct ``0'' to read ``n/a''.
5. In Appendix B to subpart O, on page 44531, in the third column of the
table, line 1, correct ``presence of coliform bacteria in 5% of monthly
samples'' to read ``(systems that collect 40 or more samples per
month) 5% of monthly samples are positive; (systems that collect fewer
than 40 samples per month) 1 positive monthly sample''.
6. In Appendix B to subpart O, on page 44533, in the second column of
the table, line 73, correct ``0'' to read ``n/a'.
PART 142--[CORRECTED]
7. On page 44535, in the third column, in Sec. 142.16(f)(2), correct ``40
CFR 141.155(b)'' to read ``40 CFR 141.155(c)''.
8. On page 44535, in the third column, in Sec. 142.16(f)(3), correct ``40
CFR 141.155(b)'' to read ``40 CFR 141.155(c)''.
FROM THE Disinfectant and Disinfection Byproducts Rule
[63 FR 69475, 16
December 1998]
11. Section 141.154 is amended by adding paragraph (e) to read as follows:
§ 141.154 Required additional health information.
* * * * *
(e) Community water systems that detect TTHM above 0.080 mg/l, but below
the MCL in § 141.12, as an annual average, monitored and calculated under
the provisions of § 141.30, must include health effects language prescribed
by paragraph (73) of appendix C to subpart O.
FROM THE Interim Enhanced Surface Water Treatment Rule
[63 FR 69516,
16 December 1998]
10. Section 141.153 is amended by revising the first sentence of paragraph
(d)(4)(v)(C) to read as follows:
§ 141.153 Content of the reports.
* * * * *
(d) * * *
(4) * * *
(v) * * *
(C) When it is reported pursuant to §§ 141.73 or 141.173: The highest
single measurement and the lowest monthly percentage of samples meeting
the turbidity limits specified in §§ 141.73 or 141.173 for the filtration
technology being used. * * *
* * * * *
FROM THE 1st CCR TECHNICAL CORRECTION
[63 FR
71375, 28 December 1998]
4. Section 142.78 is amended by revising paragraph (b) to read as follows:
§ 142.78 Procedure for processing an Indian Tribe's application.
* * * * *
(b) A tribe that meets the requirements of Sec. 141.72 of this chapter
is eligible to apply for development grants and primacy enforcement responsibility
for a Public Water System Program and associated funding under section
1443(a) of the Act and for primary enforcement responsibility for public
water systems under section 1413 of the Act and for the authority to waive
the mailing requirement of Sec. 141.155(a) of this chapter.
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