MT. VERNON — A mysterious water line leak was causing headaches for homeowners and business owners in Mt. Vernon. Reports of low pressure started coming in at 7 a.m. on Wednesday.

The City of Mt. Vernon posted on Facebook that residents and businesses will have water through the night and all water was restored by 11:30 p.m. Wednesday. Another update is expected at 9 a.m. today.

The City encourages you to conserve water and continue to notify them if you experience very low water pressure.

According to city officials, the leak is underground and is dumping 3,500 gallons of water per minute which could be emptying into another body of water, storm water or sanitary sewer lines. Over 2.5 million gallons of water have been released.

Any experiencing extremely low water pressure is asked to report it at (618) 232-6851.

As of 8:30 p.m. on Wednesday, official had not been able to locate the leak, but have allowed water to be at full pressure west of I-57.

Officials will continue to isolate areas to determine where the leak is located.