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Title 40

Displaying title 40, up to date as of 9/23/2021. Title 40 was last amended 9/23/2021.
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Title 40 Protection of Environment Part / Section
Chapter I Environmental Protection Agency 1 – 1099
Subchapter D Water Programs 100 – 149
Part 141 National Primary Drinking Water Regulations 141.1 – 141.861
Subpart A General 141.1 – 141.6
Subpart B Maximum Contaminant Levels 141.11 – 141.13
Subpart C Monitoring and Analytical Requirements 141.21 – 141.29
Subpart D Reporting and Recordkeeping 141.31 – 141.35
Subpart E Special Regulations, Including Monitoring 141.40 – 141.42
Subpart F Maximum Contaminant Level Goals and Maximum Residual Disinfectant Level Goals 141.50 – 141.55
Subpart G National Primary Drinking Water Regulations: Maximum Contaminant Levels and Maximum Residual Disinfectant Levels 141.60 – 141.66
Subpart H Filtration and Disinfection 141.70 – 141.76
Subpart I Control of Lead and Copper 141.80 – 141.91
Subpart J Use of Non-Centralized Treatment Devices 141.100 – 141.101
Subpart K Treatment Techniques 141.110 – 141.111
Subpart L Disinfectant Residuals, Disinfection Byproducts, and Disinfection Byproduct Precursors 141.130 – 141.135
Subparts M-N [Reserved]
Subpart O Consumer Confidence Reports 141.151 – 141.155
Subpart P Enhanced Filtration and Disinfection - Systems Serving 10,000 or More People 141.170 – 141.175
Subpart Q Public Notification of Drinking Water Violations 141.201 – 141.211
Subpart R [Reserved]
Subpart S Ground Water Rule 141.400 – 141.405
Subpart T Enhanced Filtration and Disinfection - Systems Serving Fewer Than 10,000 People 141.500 – 141.571
Subpart U Initial Distribution System Evaluations 141.600 – 141.605
Subpart V Stage 2 Disinfection Byproducts Requirements 141.620 – 141.629
Subpart W Enhanced Treatment for Cryptosporidium 141.700 – 141.723
Subpart X Aircraft Drinking Water Rule 141.800 – 141.810
Subpart Y Revised Total Coliform Rule 141.851 – 141.861