CITY OF MISSION
Texas Commission on Environmental Quality
Wastewater Discharge Form
Information about the Discharge
An unauthorized discharge or spill of wastewater has occurred from:
Wastewater Treatment Facility: X_ Collection System: ______
Facility Name: CITY OF MISSION- WASTEWATER TREATMENT PLANT
Person to contact for information: ROBERTO SALINAS, PUBLIC WORKS DEPT.
Location of spill(s): 906 s. CONWAY-WASTEWATER TREATMENT PLANT
Estimated date and time of spill(s): JULY 18, 2012 10:00 PM
Estimated volume of spill(s)(number of gallons): 1.2 MILLION GALLONS
Type of Spill (domestic, industrial, other): DOMESTIC
Description of the area potentially affected, including down gradient and lateral distance from spill(s) site:
SPILL WAS CONTAINED ON CITY PROPERTY WITH THE EXCEPTION OF RUNOFF TO EFFLUENT OUTFALL CHANNEL WHICH WAS BERMED FOR CONTAINMENT
Suspected cause of spill(s): UNFORESEEN CIRCUMSTANCE, RUPTURE OF 48” DIAMETER FORCEMAIN PIPE AT WASTEWATER TREATMENT PLANT
List of actions taken including but, not limited to:
Appropriate local government officials: X TCEQ Regional Office: X
Containment of spill: EFFLUENT OUTFALL CHANNEL AND USE OF NUMEROUS VACUUM TRUCKS
Increased monitoring of water supply systems: WATER SUPPLY SYSTEMS NOT AFFECTED BY SPILL DUE TO CONTAINMENT
Initiation or completion of cleanup activities: REPAIRS UNDERWAY OF 48” DIAMETER FORCE MAIN PIPE AND CLEAN-UP/DISINFECTION OF CONTAINMENT AREA WITH APPROXIMATE COMPLETION DATE OF AUGUST 1, 2012
1. Persons using private drinking water supply wells located within ½ mile of the spill site or within the potentially affected area should use only water that has been distilled or boiled at a rolling boil for at least one minute for all personal uses including drinking, cooking, bathing, and tooth. Individuals with private water wells should have their well water tested and disinfected, necessary, prior to discontinuing distillation or boiling.
2. Persons who purchase water from a public water supply may contact their water supply distributor to determine if the water is safe for personal use.
3. The public should avoid contact with waste material, soil, or water in the area potentially affected by the spill.
4. If the public comes into contact with waste material, soil, or water potentially affected by the spill they should bathe and wash clothes thoroughly as soon as possible.
Texas Administration Code - Title 30-Part 1-Chapter 319-Subchapter C-Rule 319.303