Section was enacted as part of the Water Resources Development Act of 1976, and not as part of the Water Resources Planning Act which comprises this chapter.

1986—Subsec. (b). Pub. L. 99–662 amended subsec. (b) generally, substituting “$10,000,000 per fiscal year for each fiscal year beginning after September 30, 1986” for “$6,000,000 per fiscal year for the fiscal years ending September 30, 1978, and September 30, 1979”.