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§141.1 Applicability.
§141.2 Definitions.
§141.3 Coverage.
§141.4 Variances and exemptions.
§141.5 Siting requirements.
§141.6 Effective dates.
§141.11 Maximum contaminant levels for inorganic
chemicals.
§141.12 Maximum contaminant levels for total
trihalomethanes.
§141.13 Maximum contaminant levels for turbidity.
§141.15 Maximum contaminant levels for radium-226,
radium-228, and gross alpha particle radioactivity in community water systems.
§141.16 Maximum contaminant levels for beta particle
and photon radioactivity from man-made radionuclides in community water systems.
§141.21 Coliform sampling.
§141.22 Turbidity sampling and analytical
requirements.
§141.23 Inorganic chemical sampling and analytical
requirements.
§141.24 Organic chemicals, sampling and analytical
requirements.
§141.25 Analytical methods for radioactivity.
§141.26 Monitoring frequency for radioactivity in
community water systems.
§141.27 Alternate analytical techniques.
§141.28 Certified laboratories.
§141.29 Monitoring of consecutive public water
systems.
§141.30 Total trihalomethanes sampling, analytical and
other requirements.
§141.31 Reporting requirements.
§141.32 Public notification.
§141.33 Record maintenance.
§141.34 [Reserved]
§141.35 Reporting of unregulated contaminant
monitoring results.
§141.40 Monitoring requirements for unregulated
contaminants.
Appendix A to §141.40 -- Quality Control Requirements for Testing All
Samples Collected
§141.41 Special monitoring for sodium.
§141.42 Special monitoring for corrosivity
characteristics.
§141.43 Prohibition on use of lead pipes, solder, and
flux.
§141.50 Maximum contaminant level goals for organic
contaminants.
§141.51 Maximum contaminant level goals for inorganic
contaminants.
§141.52 Maximum contaminant level goals for
microbiological contaminants.
§141.53 Maximum contaminant level goals for
disinfection byproducts.
§141.54 Maximum residual disinfectant level goals for
disinfectants.
§141.55 xxx
§141.60 Effective dates.
§141.61 Maximum contaminant levels for organic
contaminants.
§141.62 Maximum contaminant levels for inorganic
contaminants.
§141.63 Maximum contaminant levels (MCLs) for
microbiological contaminants.
§141.64 Maximum contaminant levels for disinfection
byproducts.
§141.65 Maximum residual disinfectant levels.
§141.66 xxx
§141.70 General requirements.
§141.71 Criteria for avoiding filtration.
§141.72 Disinfection.
§141.73 Filtration.
§141.74 Analytical and monitoring requirements.
§141.75 Reporting and recordkeeping requirements.
§141.76 Recycle provisions.
§141.80 General requirements.
§141.81 Applicability of corrosion control treatment
steps to small, medium-size and large water systems.
§141.82 Description of corrosion control treatment
requirements.
§141.83 Source water treatment requirements.
§141.84 Lead service line replacement requirements.
§141.85 Public education and supplemental monitoring
requirements.
§141.86 Monitoring requirements for lead and copper in
tap water.
§141.87 Monitoring requirements for water quality
parameters.
§141.88 Monitoring requirements for lead and copper in
source water.
§141.89 Analytical methods.
§141.90 Reporting requirements.
§141.91 Recordkeeping requirements.
§141.100 Criteria and procedures for public water
systems using point-of-entry devices.
§141.101 Use of bottled water.
§141.110 General requirements.
§141.111 Treatment techniques for acrylamide and
epichlorohydrin.
§141.130 General requirements.
§141.131 Analytical requirements.
§141.132 Monitoring requirements.
§141.133 Compliance requirements.
§141.134 Reporting and recordkeeping
requirements.
§141.135 Treatment technique for control of
disinfection byproduct (DBP) precursors.
§141.151 Purpose and applicability of this
subpart.
§141.152 Effective dates.
§141.153 Content of the reports.
§141.154 Required additional health
information.
§141.155 Report delivery and recordkeeping.
Appendix A to Subpart O of Part 141 -- Regulated
Contaminants
§141.170 General requirements.
§141.171 Criteria for avoiding filtration.
§141.172 Disinfection profiling and
benchmarking.
§141.173 Filtration.
§141.174 Filtration sampling requirements.
§141.175 Reporting and recordkeeping
requirements.
§141.201 General public notification requirements.
§141.202 Tier 1 Public Notice -- Form, manner, and
frequency of notice.
§141.203 Tier 2 Public Notice -- Form, manner, and
frequency of notice.
§141.204 Tier 3 Public Notice -- Form, manner, and
frequency of notice.
§141.205 Content of the public notice.
§141.206 Notice to new billing units or new customers.
§141.207 Special notice of the availability of
unregulated contaminant monitoring results.
§141.208 Special notice for exceedance of the SMCL for
fluoride.
§141.209 Special notice for nitrate exceedances above
MCL by non-community water systems (NCWS), where granted permission by the
primacy agency under §141.11(d)
§141.210 Notice by primacy agency on behalf of the
public water system.
Appendix A to Subpart Q of Part 141 -- NPDWR Violations and Other
Situations Requiring Public Notice 1
Appendix B to Subpart Q of Part 141 -- Standard Health Effects
Language for Public Notification
Appendix C to Subpart Q of Part 141 -- List of Acronyms Used in
Public Notification Regulation
§141.500 General requirements.
§141.501 Who is subject to the requirements of subpart
T?
§141.502 When must my system comply with these
requirements?
§141.503 What does subpart T require?
§141.510 Is my system subject to the new finished
water reservoir requirements?
§141.511 What is required of new finished water
reservoirs?
§141.520 Is my system subject to the updated watershed
control requirements?
§141.521 What updated watershed control requirements
must my unfiltered system implement to continue to avoid filtration?
§141.522 How does the State determine whether my
system's watershed control requirements are adequate?
§141.530 What is a disinfection profile and who must
develop one?
§141.531 What criteria must a State use to determine
that a profile is unnecessary?
§141.532 How does my system develop a disinfection
profile and when must it begin?
§141.533 What data must my system collect to calculate
a disinfection profile?
§141.534 How does my system use this data to calculate
an inactivation ratio?
§141.535 What if my system uses chloramines, ozone, or
chlorine dioxide for primary disinfection?
§141.536 My system has developed an inactivation
ratio; what must we do now?
§141.540 Who has to develop a disinfection benchmark?
§141.541 What are significant changes to disinfection
practice?
§141.542 What must my system do if we are considering
a significant change to disinfection practices?
§141.543 How is the disinfection benchmark calculated?
§141.544 What if my system uses chloramines, ozone, or
chlorine dioxide for primary disinfection?
§141.550 Is my system required to meet subpart T
combined filter effluent turbidity limits?
§141.551 What strengthened combined filter effluent
turbidity limits must my system meet?
§141.552 My system consists of "alternative
filtration" and is required to conduct a demonstration -- what is required of my
system and how does the State establish my turbidity limits?
§141.553 My system practices lime softening -- is
there any special provision regarding my combined filter effluent?
§141.560 Is my system subject to individual filter
turbidity requirements?
§141.561 What happens if my system's turbidity
monitoring equipment fails?
§141.562 My system only has two or fewer filters -- is
there any special provision regarding individual filter turbidity
monitoring?
§141.563 What follow-up action is my system required
to take based on continuous turbidity monitoring?
§141.564 My system practices lime softening -- is
there any special provision regarding my individual filter turbidity monitoring?
§141.570 What does subpart T require that my system
report to the State?
§141.571 What records does subpart T require my system
to keep?
