About
Helping You, the Public and Business Stay Safe Underground
When you need to know where underground utilities are located before you dig, contact Texas811.
It's a FREE service!
Texas811 creates a ticket that alerts the nearby utility companies to go to your worksite and mark where their underground utilities are located.
This helps prevent unintended consequences from digging into an underground utility such as injury, damage to property and service outages.
Texas811 is the link between your plans to dig and our member utility companies. Texas811 does not actually mark underground utilities. We notify utility companies of the planned excavation and they send locators to mark their lines.
Founded in 1984, the non-profit Texas811 is the largest one-call contact notification center in the country with more than 1,700 members. Approximately 80% of all requests to locate underground utilities in the state of Texas originate with Texas811.
Texas811 members are utility companies and municipalities who choose Texas811 to provide them notifications of planned excavations near their underground lines.
To educate excavators, emergency responders and the public, Texas811 hosts damage prevention educational events; an annual Summit, mock line strikes, locate rodeos and training sessions. Texas811 manages the largest Facebook page of any state one-call organization in the country, which helps educate the general public about underground safety.
Texas811 Quick Facts
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Founded in 1984
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Used to be known as Dig TESS
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Around-the-clock availability via the Internet or phone 811
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More than 40 bilingual agents on staff to process locate requests in Spanish
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Non-profit, member driven
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1700+ Utility and Municipal Members
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More than 3,000,000 inbound tickets processed in 2017
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More than 16,000,000 outbound tickets in 2017
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80% of all Texas one-call locate requests originate at Texas811
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Serves all 254 counties in Texas
Hours and Holidays
Texas811 provides around-the-clock availability via the Internet or phone 811
Texas811 observes all Texas State Holidays (which are not included in the two business day waiting period prior to digging)
If a holiday falls on a weekend, it will still be observed on that day.
Texas State Holidays
New Year's Day
Martin Luther King, Jr. Day
Confederate Heroes Day
Presidents’ Day
Texas Independence Day
San Jacinto Day
Memorial Day
Emancipation Day in Texas
Independence Day
Lyndon Baines Johnson Day
Labor Day
Veterans Day
Thanksgiving Day
Day after Thanksgiving Day
Christmas Day
January 1
3rd Monday of January
January 19
3rd Monday of February
March 2
April 21
Last Monday of May
June 19
July 4 (observed July 3)
August 27
1st Monday of September
November 11
4th Thursday of November
4th Friday of November
December 25
Mission Statement
To facilitate damage prevention, promote public safety and protect the environment through stakeholder education and communication.
Core Values
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Highest standards of integrity and honesty.
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Responsiveness and respect toward our members, customers, partners, and employees.
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Professional behavior in our dealings and interactions.
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Continuous improvement in our quality of service.
DIG TESS
Dig TESS is the name we were known by from our inception in 1984 until 2009. The 811 number was created in 2007, and we changed our name to Texas811 in 2009. The Dig TESS name was so well known that to this day we receive calls requesting a Dig TESS.
Our Dig TESS heritage still lives in our blood. It is in every ticket we process, in our damage prevention programs and in our customer service.
When you want Dig TESS quality, you’ll find it at Texas811!
We used to be known as Dig TESS.
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