I 
119TH CONGRESS 
1ST SESSION H. R. 6668 
To establish effluent limitations guidelines and standards and water quality 
criteria for perfluoroalkyl and polyfluoroalkyl substances under the Fed-
eral Water Pollution Control Act, and for other purposes. 
IN THE HOUSE OF REPRESENTATIVES 
DECEMBER 11, 2025 
Mr. PAPPAS (for himself and Mr. FITZPATRICK) introduced the following bill; 
which was referred to the Committee on Transportation and Infrastructure 
A BILL 
To establish effluent limitations guidelines and standards 
and water quality criteria for perfluoroalkyl and 
polyfluoroalkyl substances under the Federal Water Pol-
lution Control Act, and for other purposes. 
Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Clean Water Standards 
for PFAS Act of 2025’’. 
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SEC. 2. CLEAN WATER ACT EFFLUENT LIMITATIONS GUIDE-
LINES AND STANDARDS AND WATER QUALITY 
CRITERIA FOR PFAS. 
(a) DEFINITIONS.—In this section: 
(1) ADMINISTRATOR.—The term ‘‘Adminis-
trator’’ means the Administrator of the Environ-
mental Protection Agency. 
(2) EFFLUENT LIMITATION.—The term ‘‘efflu-
ent limitation’’ has the meaning given the term in 
section 502 of the Federal Water Pollution Control 
Act (33 U.S.C. 1362). 
(3) MEASURABLE.—The term ‘‘measurable’’, 
with respect to a perfluoroalkyl substance, a 
polyfluoroalkyl substance, or a class of those sub-
stances, means that the substance or class of sub-
stances is capable of being measured using any test 
method promulgated under part 136 of title 40, 
Code of Federal Regulations (or successor regula-
tions). 
(4) PERFLUOROALKYL SUBSTANCE.—The term 
‘‘perfluoroalkyl substance’’ means a chemical of 
which all of the carbon atoms are fully fluorinated 
carbon atoms. 
(5) 
POLYFLUOROALKYL
SUBSTANCE.—The 
term ‘‘polyfluoroalkyl substance’’ means a chemical 
containing at least 1 fully fluorinated carbon atom 
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and at least 1 carbon atom that is not a fully 
fluorinated carbon atom. 
(6) TREATMENT WORKS.—The term ‘‘treatment 
works’’ has the meaning given the term in section 
212 of the Federal Water Pollution Control Act (33 
U.S.C. 1292). 
(b) DEADLINES.— 
(1) WATER QUALITY CRITERIA.—Not later than 
3 years after the date of enactment of this Act, the 
Administrator shall publish in the Federal Register 
human health water quality criteria under section 
304(a)(1) of the Federal Water Pollution Control 
Act (33 U.S.C. 1314(a)(1)) to address each measur-
able perfluoroalkyl substance, polyfluoroalkyl sub-
stance, and class of those substances. 
(2) EFFLUENT LIMITATIONS GUIDELINES AND 
STANDARDS
FOR
PRIORITY
INDUSTRY
CAT-
EGORIES.—Not later than the following dates, the 
Administrator shall take final action on a rule estab-
lishing effluent limitations guidelines and standards, 
in accordance with the Federal Water Pollution Con-
trol Act (33 U.S.C. 1251 et seq.), for each of the 
following industry categories for the discharge (in-
cluding a discharge into a publicly owned treatment 
works) of each measurable perfluoroalkyl substance, 
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polyfluoroalkyl substance, or class of those sub-
stances: 
(A) DURING CALENDAR YEAR 2026.—Not 
later than September 30, 2026, for the fol-
lowing point source categories: 
(i) Organic chemicals, plastics, and 
synthetic fibers, as identified in part 414 
of title 40, Code of Federal Regulations (or 
successor regulations). 
(ii) Electroplating, as identified in 
part 413 of title 40, Code of Federal Regu-
lations (or successor regulations). 
(iii) Metal finishing, as identified in 
part 433 of title 40, Code of Federal Regu-
lations (or successor regulations). 
(B) DURING CALENDAR YEAR 2027.—Not 
later than September 30, 2027, for the fol-
lowing point source categories: 
(i) Textile mills, as identified in part 
410 of title 40, Code of Federal Regula-
tions (or successor regulations). 
(ii) Landfills, as identified in part 445 
of title 40, Code of Federal Regulations (or 
successor regulations). 
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(C) DURING CALENDAR YEAR 2028.—Not 
later than September 30, 2028, for the fol-
lowing point source categories: 
(i) Leather tanning and finishing, as 
identified in part 425 of title 40, Code of 
Federal Regulations (or successor regula-
tions). 
(ii) Paint formulating, as identified in 
part 446 of title 40, Code of Federal Regu-
lations (or successor regulations). 
(iii) Plastics molding and forming, as 
identified in part 463 of title 40, Code of 
Federal Regulations (or successor regula-
tions). 
(c) MONITORING.— 
(1) MONITORING REQUIREMENTS.— 
(A) IN GENERAL.—Effective beginning on 
the date of enactment of this Act, the Adminis-
trator shall require monitoring of the discharges 
(including discharges into a publicly owned 
treatment 
works) 
of 
each 
measurable 
perfluoroalkyl substance, polyfluoroalkyl sub-
stance, and class of those substances for the 
point source categories and entities described in 
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subparagraphs (A), (B), and (C) of subsection 
(b)(2). 
(B) CERTAIN
MONITORING
REQUIRED.— 
Effective beginning on the date of enactment of 
this Act, the Administrator shall require moni-
toring of the discharges (including discharges 
into a publicly owned treatment works) of each 
measurable 
perfluoroalkyl 
substance, 
polyfluoroalkyl substance, and class of those 
substances for the following point source cat-
egories and entities: 
(i) Pulp, paper, and paperboard, as 
identified in part 430 of title 40, Code of 
Federal Regulations (or successor regula-
tions). 
(ii) Airports (as defined in section 
47102 of title 49, United States Code). 
(iii) Electrical and electronic compo-
nents, as identified in part 469 of title 40, 
Code of Federal Regulations (or successor 
regulations). 
(2) DETERMINATION.— 
(A) IN GENERAL.—Not later than Decem-
ber 31, 2026, the Administrator shall make a 
determination— 
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(i) to commence developing effluent 
limitations guidelines and standards for 
the point source categories and entities 
listed in paragraph (1)(B); or 
(ii) to not commence developing efflu-
ent limitations guidelines and standards 
for those point source categories and enti-
ties, including an explanation of the rea-
soning for this determination. 
(B) REQUIREMENT.—Any effluent limita-
tions guidelines and standards for the point 
source categories and entities listed in para-
graph (1)(B) shall be published in the Federal 
Register by not later than December 31, 2028. 
(d) METHOD PROMULGATION.—Subject to the re-
quirements of subchapter II of chapter 5 of title 5, United 
States Code (commonly referred to as the ‘‘Administrative 
Procedure Act’’), not later than January 31, 2026, the 
Administrator shall promulgate Method 1633A, as de-
scribed in the document of the Environmental Protection 
Agency entitled ‘‘Method 1633, Revision A Analysis of 
Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous, 
Solid, Biosolids, and Tissue Samples by LC–MS/MS’’ and 
dated December 2024 (or a successor method of equal or 
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greater validity and standard), under part 136 of title 40, 
Code of Federal Regulations (or successor regulations). 
(e) NOTIFICATION.—The Administrator shall notify 
the Committee on Transportation and Infrastructure of 
the House of Representatives and the Committee on Envi-
ronment and Public Works of the Senate of each publica-
tion made under this section. 
(f) PRETREATMENT PROGRAM.— 
(1) IN GENERAL.—Subject to the availability of 
appropriations, the Administrator shall award grants 
to owners and operators of publicly owned treatment 
works— 
(A) to carry out pretreatment program ac-
tivities conducted in accordance with part 403 
of title 40, Code of Federal Regulations (or suc-
cessor regulations), that address contamination 
by perfluoroalkyl substances and polyfluoroalkyl 
substances; and 
(B) to further monitor, assess, or analyze 
local sources of perfluoroalkyl substances and 
polyfluoroalkyl substances that enter into the 
treatment works. 
(2) AUTHORIZATION
OF
APPROPRIATIONS.— 
There is authorized to be appropriated to the Ad-
ministrator 
to 
carry 
out 
this 
subsection 
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$200,000,000 for each of fiscal years 2026 through 
2030, to remain available until expended. 
(g) AUTHORIZATION OF APPROPRIATIONS.—There is 
authorized to be appropriated to the Administrator to 
carry out this section (except subsection (f)) $12,000,000 
for each of fiscal years 2026 to 2030, to remain available 
until expended. 
Æ 
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