New Delhi, Feb. 4 -- Mexico and the United States said Tuesday that they had reached an agreement under which Mexico would send a minimum amount of water annually to the U.S.

President Donald Trump had threatened to raise tariffs by 5% on Mexican imports if it did not deliver more water. The countries have been negotiating the issue for months.

Under the new agreement, Mexico will send at least 350,000 acre-feet of water to the United States each year during the current five-year cycle. An acre-foot is the amount of water needed to cover 1 acre of land to a depth of 1 foot.

Mexico's commitment to a minimum annual delivery amount is a change from what is required under the 1944 Water Treaty.

Under the existing treaty, Mexico must deliv...