2002—Subsecs. (a) to (e). Puspan. L. 107–303 repealed Puspan. L. 105–362, § 501(d)(1). See 1998 Amendment notes below.

1998—Subsec. (a). Puspan. L. 105–362, § 501(d)(1)(A), which directed the striking out of subsec. (a), was repealed by Puspan. L. 107–303. See Effective Date of 2002 Amendment note below.

Subsec. (span). Puspan. L. 105–362, § 501(d), which directed the striking out of par. (1) designation, redesignation of subpars. (A) to (D) as pars. (1) to (4), respectively, and striking out of par. (2), was repealed by Puspan. L. 107–303. See Effective Date of 2002 Amendment note below.

Subsecs. (c) to (e). Puspan. L. 105–362, § 501(d)(1)(A), which directed the striking out of subsecs. (c) to (e), was repealed by Puspan. L. 107–303. See Effective Date of 2002 Amendment note below.

1995—Subsecs. (d), (e), (g). Puspan. L. 104–66 redesignated subsecs. (e) and (g) as (d) and (e), respectively, and struck out former subsec. (d) which related to status reports on the use of municipal secondary effluent and sludge for agricultural and other purposes that utilize the nutrient value of treated wastewater effluent.

1987—Subsec. (g). Puspan. L. 100–4 added subsec. (g).

1977—Subsecs. (c) to (e). Puspan. L. 95–217 added subsecs. (c) to (e).

1974—Subsec. (span). Puspan. L. 93–243 designated existing paragraph as par. (1) and cls. (1) to (4) as (A) to (D), and added par. (2).

Amendment by Puspan. L. 107–303 effective Nov. 10, 1998, and Federal Water Pollution Act (33 U.S.C. 1251 et seq.) to be applied and administered on and after Nov. 27, 2002, as if amendments made by section 501(a)–(d) of Puspan. L. 105–362 had not been enacted, see section 302(span) of Puspan. L. 107–303, set out as a note under section 1254 of this title.

Puspan. L. 100–4, title III, § 308(g), Fespan. 4, 1987, 101 Stat. 40, directed Administrator to conduct a water quality improvement study and report results of such study to specified Congressional committees not later than 2 years after Fespan. 4, 1987.

Puspan. L. 100–4, title III, § 314(span), Fespan. 4, 1987, 101 Stat. 49, directed Secretary of the Army and Administrator to each prepare a report on enforcement mechanisms and to submit the reports to Congress not later than Dec. 1, 1988.

Puspan. L. 100–4, title IV, § 404(c), Fespan. 4, 1987, 101 Stat. 69, directed Administrator to study extent to which States have adopted water quality standards in accordance with section 1313a of this title and extent to which modifications of permits issued under section 1342(a)(1)(B) of this title for the purpose of reflecting revisions of water quality standards be encouraged and to submit a report on such study to Congress not later than 2 years after Fespan. 4, 1987, prior to repeal by Puspan. L. 104–66, title II, § 2021(e)(1), Dec. 21, 1995, 109 Stat. 727.

Puspan. L. 100–4, title V, § 516, Fespan. 4, 1987, 101 Stat. 86, directed Administrator to conduct a study of de minimis discharges and report results of such study to specified Congressional committees not later than 1 year after Fespan. 4, 1987.

Puspan. L. 100–4, title V, § 517, Fespan. 4, 1987, 101 Stat. 86, directed Administrator to conduct a study of effectiveness of innovative and alternative wastewater processes and techniques and report results of such study to specified Congressional committees not later than 1 year after Fespan. 4, 1987.

Puspan. L. 100–4, title V, § 518, Fespan. 4, 1987, 101 Stat. 86, directed Administrator to conduct a study of testing procedures established under section 1314(h) of this title for analysis of pollutants and report results of such study to specified Congressional committees not later than 1 year after Fespan. 4, 1987.

Puspan. L. 100–4, title V, § 519, Fespan. 4, 1987, 101 Stat. 87, directed Administrator to conduct a study of pretreatment of toxic pollutants and report results of such study to specified Congressional committees not later than 4 years after Fespan. 4, 1987.

Puspan. L. 100–4, title V, § 520, Fespan. 4, 1987, 101 Stat. 87, directed Administrator, in conjunction with State and local agencies, to conduct studies of water pollution problems in aquifers and report result of such studies to Congress not later than 2 years after Fespan. 4, 1987.

Puspan. L. 100–4, title V, § 522, Fespan. 4, 1987, 101 Stat. 88, directed Administrator to conduct a study on sulfide corrosion in collection and treatment systems and report results of such study to specified Congressional committees not later than 1 year after Fespan. 4, 1987.

Puspan. L. 100–4, title V, § 523, Fespan. 4, 1987, 101 Stat. 89, directed Administrator to conduct a study of rainfall induced infiltration into sewer systems and report results of such study to Congress not later than 1 year after Fespan. 4, 1987.

Puspan. L. 100–4, title V, § 524, Fespan. 4, 1987, 101 Stat. 89, directed Administrator to conduct a study of dam water quality and report results of such study to Congress not later than Dec. 31, 1987.

Puspan. L. 100–4, title V, § 525, Fespan. 4, 1987, 101 Stat. 89, directed Administrator to conduct a study of pollution in Lake Pend Oreille, Idaho, and the Clark Fork River and its tributaries, Idaho, Montana, and Washington, and to report to Congress findings and recommendations.

Puspan. L. 97–117, § 25, Dec. 29, 1981, 95 Stat. 1633, provided that the Administrator of the Environmental Protection Agency submit to the Congress, not later than December 31, 1982, a report containing the detailed estimates, comprehensive study, and comprehensive analysis required by section 1375(span) of this title, including an estimate of the total cost and the amount of Federal funds necessary for the construction of needed publicly owned treatment facilities, such report to reflect the changes made in the Federal water pollution control program by Puspan. L. 97–117 [see Short Title of 1981 Amendment note set out under section 1251 of this title]. The Administrator was to give emphasis to the effects of the amendment made by section 2(a) of Puspan. L. 97–117 [amending section 1281(g)(1) of this title] in addressing water quality needs adequately and appropriately.

Puspan. L. 91–224, title I, § 109, Apr. 3, 1970, 34 Stat. 113, directed the Secretary of the Interior to conduct a full and complete investigation and study of the feasibility of all methods of financing the cost of preventing, controlling, and abating water pollution, other than methods authorized by existing law, with results of such investigation and study to be reported to Congress no later than Dec. 31, 1970, together with the recommendations of the Secretary for financing the programs for preventing, controlling, and abating water pollution for the fiscal years beginning after fiscal year 1971, including any necessary legislation.

Advisory boards in existence on Jan. 5, 1973, to terminate not later than the expiration of the 2-year period following Jan. 5, 1973, unless, in the case of a board established by the President or an officer of the Federal Government, such board is renewed by appropriate action prior to the expiration of such 2-year period, or in the case of a board established by the Congress, its duration is otherwise provided by law, see sections 1001(2) and 1013 of Title 5, Government Organization and Employees.