Examples of modifications include switching secondary disinfectants. Epa has established national primary drinking water regulations national primary drinking water regulationslegally enforceable standards that apply to public water systems. Drinking water regulations and contaminants us epa. 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. Electronic code of federal regulations e cfr title 40. Subpart gnational primary drinking water regulations. Copies may be inspected at epa s drinking water docket, 1 constitution avenue, nw. 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. Regulations, code of federal regulations, title 40, part 141 40 cfr 141. Maximum contaminant levels and maximum residual disinfectant levels. Cfr part 141 national primary drinking water regulations epa.
Method is available at or from epas water resource. Epa recommends secondary standards to water systems but does. Environmental protection agency will not seek to override land use. Subpart g national primary drinking water regulations. Title 40 chapter part 141 national primary drinking water regulations. Title 40 part 141 title 40 chapter i subchapter d part 141 electronic code of federal regulations e cfr.
Drinking water regulations cnmi law revision commission. National primary drinking water regulations us epa. 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. The aircraft drinking water rule adwr 40 cfr part 141 subpart x, promulgated october 19, 2009. Federal and nj state primary and secondary drinking water standards as of september 2018. The epa also sets secondary drinking water regulations secondary standards. Part 141 national primary drinking water regulations subpart ageneral sec. 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. Maximum contaminant levels and maximum residual disinfectant levels 141. Code of federal regulations annual edition sudoc class number. A public water system pws, as defined in 40 cfr 141.
666 40 223 816 579 1585 575 1437 598 1178 527 1034 1130 975 1147 1225 1562 199 1149 451 1015 319 1330 1106 577 677 1248 1311 649 637 501 1407 518