United States of America et al v. Tetra Tech EC, Inc. et al

  1. June 07, 2024

    Tetra Tech Says Gov't On 'Fishing Expedition' In FCA Suit

    Tetra Tech and a subsidiary accused the federal government and a housing developer of a "fishing expedition" after they sought access to electronic media long after discovery closed in cases accusing the subsidiary of fraud under Navy environmental contracts. 

  2. August 27, 2020

    Keep Tetra Tech Subcontractor In Fraud Suit, Judge Told

    A subcontractor of Tetra Tech was "up to its neck" in its effort to help the engineering firm defraud the Navy out of hundreds of millions of dollars for environmental remediation that was never done, a California federal court has been told.

  3. October 28, 2019

    Tetra Tech's Recusal Bid 'Inappropriate,' Calif. Judge Says

    The San Francisco federal judge overseeing an environmental cleanup suit against Tetra Tech said the company's claims that he is prejudiced against it "border on frivolous" because they mostly rely on a single sentence in a remand order.

  4. September 12, 2019

    Gov't Slams Tetra Tech's Bid To Escape Navy Cleanup Suit

    The U.S. government urged a California federal court not to free Tetra Tech from its lawsuit over falsified soil samples, arguing that the company improperly used an internal investigation to discredit its false claims allegations.

  5. May 10, 2019

    Whistleblowers Spar With Tetra Tech In Navy Cleanup Suit

    A group of whistleblowers urged a California federal court to reject a Tetra Tech unit's bid to toss their complaint accusing it of charging the U.S. Navy for radiation cleanup services at a former Navy shipyard that it didn't perform, in violation of the False Claims Act.

  6. April 30, 2019

    Gov't Fights Tetra Tech Unit's Escape Bid In Navy Cleanup Suit

    The government has pushed back against a Tetra Tech unit's bid to toss a False Claims Act suit that accuses the subsidiary of charging the U.S. Navy for radiation cleanup services it didn't perform at a former Navy shipyard in San Francisco.

  7. January 15, 2019

    Gov't Hits Tetra Tech With FCA Suit Over Navy Cleanup Work

    The federal government has accused a Tetra Tech unit of billing the U.S. Navy for radiation remediation services at a former Navy shipyard in San Francisco that it did not actually perform, in violation of the False Claims Act.