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A Tetco station at Interstate 20 and Great Southwest Parkway in Grand Prairie recorded double-digit pump calibration violations on two occasions this year, according to data released by the Texas Department of Agriculture. Grand Prairie Tetco on Google maps

A Texaco station in Colleyville was No. 3 on the violations list, but all 30 of its miscalibrations were in favor of the customer.

You may search the database by county, city, ZIP or station name. You can sort each column by clicking on the column title.

Sunmart stations in Texas have been accused by the Texas attorney general of deliberately shorting customers. Enter Sunmart in the "station name" field for detailed information about the stations.

Other findings:

186: The most violations at a station from July 2006 to July 2008, at a SunMart on I-45 in Houston.

2,821: Violations in Harris County, which includes Houston. Dallas County was second with 676, and Tarrant was third with 593.

206: Violations in ZIP code 77090 on Houston's north side, the most for a ZIP code in Texas.

33: The most violations at a Tarrant ZIP Code, 76133, on Fort Worth's southwest side.