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40 CFR 141.21 · Coliform sampling.
40 CFR 141.22 · Turbidity sampling and analytical requirements.
40 CFR 141.23 · Inorganic chemical sampling and analytical requirements.
40 CFR 141.24 · Organic chemicals, sampling and analytical requirements.
40 CFR 141.25 · Analytical methods for radioactivity.
40 CFR 141.26 · Monitoring frequency and compliance requirements for radionuclides in community water systems.
40 CFR 141.27 · Alternate analytical techniques.
40 CFR 141.28 · Certified laboratories.
40 CFR 141.29 · Monitoring of consecutive public water systems.
40 CFR Appendix A to Subpart C of Part 141 · Appendix A to Subpart C of Part 141—Alternative Testing Methods Approved for Analyses Under the Safe Drinking Water Act
40 CFR 141.31 · Reporting requirements.
40 CFR 141.32 · [Reserved]
40 CFR 141.33 · Record maintenance.
40 CFR 141.34 · [Reserved]
40 CFR 141.35 · Reporting for unregulated contaminant monitoring results.
40 CFR 141.40 · Monitoring requirements for unregulated contaminants.
40 CFR 141.41 · Special monitoring for sodium.
40 CFR 141.42 · Special monitoring for corrosivity characteristics.
40 CFR 141.50 · Maximum contaminant level goals for organic contaminants.
40 CFR 141.51 · Maximum contaminant level goals for inorganic contaminants.
40 CFR 141.52 · Maximum contaminant level goals for microbiological contaminants.
40 CFR 141.53 · Maximum contaminant level goals for disinfection byproducts.
40 CFR 141.54 · Maximum residual disinfectant level goals for disinfectants.
40 CFR 141.55 · Maximum contaminant level goals for radionuclides.
40 CFR 141.60 · Effective dates.
40 CFR 141.61 · Maximum contaminant levels for organic contaminants.
40 CFR 141.62 · Maximum contaminant levels for inorganic contaminants.
40 CFR 141.63 · Maximum contaminant levels (MCLs) for microbiological contaminants.
40 CFR 141.64 · Maximum contaminant levels for disinfection byproducts.
40 CFR 141.65 · Maximum residual disinfectant levels.
40 CFR 141.66 · Maximum contaminant levels for radionuclides.
40 CFR 141.70 · General requirements.
40 CFR 141.71 · Criteria for avoiding filtration.
40 CFR 141.72 · Disinfection.
40 CFR 141.73 · Filtration.
40 CFR 141.74 · Analytical and monitoring requirements.
40 CFR 141.75 · Reporting and recordkeeping requirements.
40 CFR 141.76 · Recycle provisions.
40 CFR 141.80 · General requirements and action level.
40 CFR 141.81 · Applicability of corrosion control treatment steps to small, medium, and large water systems.
40 CFR 141.82 · Description of corrosion control treatment requirements.
40 CFR 141.83 · Source water treatment requirements.
40 CFR 141.84 · Service line inventory and replacement requirements.
40 CFR 141.85 · Public education and supplemental monitoring and mitigation requirements.
40 CFR 141.86 · Monitoring requirements for lead and copper in tap water.
40 CFR 141.87 · Monitoring requirements for water quality parameters.
40 CFR 141.88 · Monitoring requirements for lead and copper in source water.
40 CFR 141.89 · Analytical methods.
40 CFR 141.90 · Reporting requirements.
40 CFR 141.91 · Recordkeeping requirements.
40 CFR 141.92 · Monitoring for lead in schools and child care facilities.
40 CFR 141.93 · Small water system compliance flexibility.
40 CFR 141.100 · Criteria and procedures for public water systems using point-of-entry devices.
40 CFR 141.101 · Use of bottled water.
40 CFR 141.110 · General requirements.
40 CFR 141.111 · Treatment techniques for acrylamide and epichlorohydrin.
40 CFR 141.130 · General requirements.
40 CFR 141.131 · Analytical requirements.
40 CFR 141.132 · Monitoring requirements.
40 CFR 141.133 · Compliance requirements.
40 CFR 141.134 · Reporting and recordkeeping requirements.
40 CFR 141.135 · Treatment technique for control of disinfection byproduct (DBP) precursors.
40 CFR 141.151 · Purpose and applicability of this subpart.
40 CFR 141.152 · Compliance dates.
40 CFR 141.153 · Content of the reports.
40 CFR 141.154 · Required additional health information.
40 CFR 141.155 · Report delivery, reporting, and recordkeeping.
40 CFR 141.156 · Summary of report contents.
40 CFR Appendix A to Subpart O of Part 141 · Appendix A to Subpart O of Part 141—Regulated Contaminants
40 CFR 141.170 · General requirements.
40 CFR 141.171 · Criteria for avoiding filtration.
40 CFR 141.172 · Disinfection profiling and benchmarking.
40 CFR 141.173 · Filtration.
40 CFR 141.174 · Filtration sampling requirements.
40 CFR 141.175 · Reporting and recordkeeping requirements.
40 CFR 141.201 · General public notification requirements.
40 CFR 141.202 · Tier 1 Public Notice—Form, manner, and frequency of notice.
40 CFR 141.203 · Tier 2 Public Notice—Form, manner, and frequency of notice.
40 CFR 141.204 · Tier 3 Public Notice—Form, manner, and frequency of notice.
40 CFR 141.205 · Content of the public notice.
40 CFR 141.206 · Notice to new billing units or new customers.
40 CFR 141.207 · Special notice of the availability of unregulated contaminant monitoring results.
40 CFR 141.208 · Special notice for exceedance of the SMCL for fluoride.
40 CFR 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).
40 CFR 141.210 · Notice by primacy agency on behalf of the public water system.
40 CFR 141.211 · Special notice for repeated failure to conduct monitoring of the source water for Cryptosporidium and for failure to determine bin classification or mean Cryptosporidium level.
40 CFR Appendix A to Subpart Q of Part 141 · Appendix A to Subpart Q of Part 141—NPDWR Violations and Other Situations Requiring Public Notice 1
40 CFR Appendix B to Subpart Q of Part 141 · Appendix B to Subpart Q of Part 141—Standard Health Effects Language for Public Notification
40 CFR Appendix C to Subpart Q of Part 141 · Appendix C to Subpart Q of Part 141—List of Acronyms Used in Public Notification Regulation
40 CFR 141.400 · General requirements and applicability.
40 CFR 141.401 · Sanitary surveys for ground water systems.
40 CFR 141.402 · Ground water source microbial monitoring and analytical methods.
40 CFR 141.403 · Treatment technique requirements for ground water systems.
40 CFR 141.404 · Treatment technique violations for ground water systems.
40 CFR 141.405 · Reporting and recordkeeping for ground water systems.
40 CFR 141.500 · General requirements.
40 CFR 141.501 · Who is subject to the requirements of subpart T?
40 CFR 141.502 · When must my system comply with these requirements?
40 CFR 141.503 · What does subpart T require?
40 CFR 141.510 · Is my system subject to the new finished water reservoir requirements?