2 developments, drainage return flows to the river have increased in recent years. While the quality of the water being delivered to Mexico during the winter of 1961-1962 was generally not as desirable as upstream storage, it was equal to or better than the supply available from many irrigated areas that are successfully irrigated adjacent to Mexico in Arizona, California, New Mexico and Texas. The increased salinity was foreseen and provided for when the Treaty was negotiated. Threat of Mexico to Take Problem to International Court of Justice It has been stated that Mexico has threatened to take this matter to the International Court of Justice unless it is resolved promptly. In view of the background of the Treaty negotiations and legi...