The April 16 bombing of pipelines near the Tigris has sent oil spilling into the river and endangered the water supply for millions of Iraqis. Diyala province has closed water intakes along the Tigris River, as oil slicks attributed to the April 16 bombing of pipelines feeding the Baiji refinery are heading toward Baghdad.Preventative measures were taken the morning after the attack on the oil and gas pipelines in the al-Fatha area along the Tigris River in Salahaddin province.Oil in the water and on shore was set ablaze to reduce the amount of pollutants in the water, initially causing massive black clouds and then persistent…