Trinity River At Dallas affecting Dallas County. White Rock Creek Near White Rock Creek At Greenville Ave affecting Dallas County. ...The Flood Warning continues for the following rivers in Texas... South Fork Sabine River Near Quinlan affecting Hunt and Rockwall Counties. ...The Flood Warning is cancelled for the following rivers in Texas... Rowlett Creek Near Sachse affecting Dallas County. && ...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Moderate flooding is occurring and minor flooding is forecast.