Code of federal regulations annual edition sudoc class number. The aircraft drinking water rule adwr 40 cfr part 141 subpart x, promulgated october 19, 2009. Subpart gnational primary drinking water regulations. Subpart g national primary drinking water regulations. Maximum contaminant levels and maximum residual disinfectant levels.
Regulations, code of federal regulations, title 40, part 141 40 cfr 141. Part 141 national primary drinking water regulations subpart ageneral sec. Title 40 part 141 title 40 chapter i subchapter d part 141 electronic code of federal regulations e cfr. These standards protect drinking water quality by limiting the levels of specific contaminants that can adversely affect public health and which are known or anticipated to occur in public. Drinking water regulations and contaminants us epa. The epa also sets secondary drinking water regulations secondary standards. Read the drinking water section of the code of federal regulations 40 cfr 141 the national primary drinking water regulations npdwr are legally enforceable primary standards and treatment techniques that apply to public water systems. Environmental protection agency will not seek to override land use. Epa facts about uranium us environmental protection agency.
Title 40 chapter part 141 national primary drinking water regulations. Drinking water regulations cnmi law revision commission. Please note that this chapter contains only a general introduction to the united states. Examples of modifications include switching secondary disinfectants. National secondary drinking water regulations nsdwrs nsdwrs or secondary standards are nonenforceable guidelines regulating contaminants that may cause cosmetic effects such as skin or tooth discoloration or aesthetic effects such as taste, odor, or color in drinking water. National primary drinking water regulations us epa. Method is available at or from epas water resource. Cfr part 141 national primary drinking water regulations epa. Epa recommends secondary standards to water systems but does. Epa has established national primary drinking water regulations national primary drinking water regulationslegally enforceable standards that apply to public water systems. Maximum contaminant levels and maximum residual disinfectant levels 141. Electronic code of federal regulations e cfr title 40.
A public water system pws, as defined in 40 cfr 141. The epa document use of uranium drinking water standards under 40 cfr 141 and 40 cfr 192 as remediation goals for groundwater at cercla sites provides guidance regarding how these two standards should be implemented as an applicable or relevant and appropriate requirement arar at superfund sites. Copies may be inspected at epa s drinking water docket, 1 constitution avenue, nw. All current drinking water regulations, which have been promulgated as of july 1 in an year, may be found in title 40 of the code of federal regulations cfr, parts 141. Federal and nj state primary and secondary drinking water standards as of september 2018.