Amendments
2002—Subsecs. (a) to (e). [Pub. L. 107–303] repealed [Pub. L. 105–362, § 501(d)(1)]. See 1998 Amendment notes below.
1998—Subsec. (a). [Pub. L. 105–362, § 501(d)(1)(A)], which directed the striking out of subsec. (a), was repealed by [Pub. L. 107–303]. See Effective Date of 2002 Amendment note below.
Subsec. (b). [Pub. 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 (2), was repealed by [Pub. L. 107–303]. See Effective Date of 2002 Amendment note below.
Subsecs. (c) to (e). [Pub. L. 105–362, § 501(d)(1)(A)], which directed the striking out of subsecs. (c) to (e), was repealed by [Pub. L. 107–303]. See Effective Date of 2002 Amendment note below.
1995—Subsecs. (d), (e), (g). [Pub. 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). [Pub. L. 100–4] added subsec. (g).
1977—Subsecs. (c) to (e). [Pub. L. 95–217] added subsecs. (c) to (e).
1974—Subsec. (b). [Pub. L. 93–243] designated existing paragraph as par. (1) and cls. (1) to (4) as (A) to (D), and added par. (2).
Studies and Reports
[Pub. L. 100–4, title III, § 308(g)], Feb. 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 Feb. 4, 1987.
[Pub. L. 100–4, title III, § 314(b)], Feb. 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.
[Pub. L. 100–4, title IV, § 404(c)], Feb. 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 Feb. 4, 1987, prior to repeal by [Pub. L. 104–66, title II, § 2021(e)(1)], Dec. 21, 1995, [109 Stat. 727].
[Pub. L. 100–4, title V, § 516], Feb. 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 Feb. 4, 1987.
[Pub. L. 100–4, title V, § 517], Feb. 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 Feb. 4, 1987.
[Pub. L. 100–4, title V, § 518], Feb. 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 Feb. 4, 1987.
[Pub. L. 100–4, title V, § 519], Feb. 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 Feb. 4, 1987.
[Pub. L. 100–4, title V, § 520], Feb. 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 Feb. 4, 1987.
[Pub. L. 100–4, title V, § 522], Feb. 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 Feb. 4, 1987.
[Pub. L. 100–4, title V, § 523], Feb. 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 Feb. 4, 1987.
[Pub. L. 100–4, title V, § 524], Feb. 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.
[Pub. L. 100–4, title V, § 525], Feb. 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.