1987—Subsec. (a). Pub. L. 100–4, § 203, designated provision relating to submission of plans, specifications, and estimates, and provision relating to contractual nature of approval by Administrator as par. (1), designated provision relating to requirements for awarding single grant for combined Federal share of cost of preparing plans and specifications, and building and erection of treatment works as par. (3), and added par. (2).

Subsec. (f). Pub. L. 100–4, § 204, added subsec. (f).

1981—Subsec. (a). Pub. L. 97–117 substituted “$8,000,000” for “$4,000,000” and struck out provision that, if any State is found by the Administrator to have unusually high costs of construction, the Administrator may authorize a single grant where the estimated total cost of the treatment works does not exceed $5,000,000.

1980—Subsec. (a). Pub. L. 96–483 substituted “$4,000,000” and “$5,000,000” for “$2,000,000” and “$3,000,000”, respectively.

1977—Subsec. (a). Pub. L. 95–217, § 18, provided that, in the case of a treatment works that has an estimated total cost of $2,000,000 or less (as determined by the Administrator), and the population of the applicant municipality is twenty-five thousand or less (according to the most recent United States census), upon completion of an approved facility plan, a single grant may be awarded for the combined Federal share of the cost of preparing construction plans and specifications, and the building and erection of the treatment works, and that, if any State is found by the Administrator to have unusually high costs of construction, the Administrator may authorize a single grant where the estimated total cost of the treatment works does not exceed $3,000,000.

Subsec. (e). Pub. L. 95–217, § 19, added subsec. (e).

1974—Subsec. (d). Pub. L. 93–243 added subsec. (d).