Scott Pruitt Edward (Scott) Scott PruittJuan Williams: Swamp creature at the White House Science protections must be enforceable Conspicuous by their absence from the Republican Convention MORE spent nearly $3.5 million on security during his first year as the administrator of the Environmental Protection Agency (EPA), according to an agency breakdown released Friday.

Pruitt's round the clock security detail racked up the high costs through both travel and payroll expenses — costing taxpayers more than $760,000 in travel and more than $2.7 million in pay during the administrator's first year.

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The costs for his detail, which have accompanied Pruitt on both international trips like Morocco and Italy and to Disneyland and the Rose Bowl, are significantly higher than the amounts previous administrators spent, the data shows.

In comparison, EPA spent just $1.6 million on security for former EPA head Gina McCarthy Regina (Gina) McCarthyFormer EPA chiefs endorse Biden, criticize agency direction under Trump OVERNIGHT ENERGY: Energy Department proposes showerhead standards rollback after Trump complaints | Interior memo scaling back bird protections is 'contrary to law,' court rules | Former EPA chiefs call for agency 'reset' Former EPA chiefs call for agency 'reset' MORE during her last year in the post.

The EPA maintains that Pruitt's increased security is necessary due to higher threats against the administrator.

“Administrator Pruitt has faced an unprecedented amount of death threats against him and to provide transparency EPA will post the costs of his security detail and pro-actively release these numbers on a quarterly basis," EPA spokesman Jahan Wilcox said in a statement. "Americans should all agree that members of the President’s cabinet should be kept safe from violent threats.”

However, Pruitt has recently been challenged for his claims that the security detail is a response to security risks following reports that he received 24/7 security starting his first day in office. Internal emails obtained by The Hill showed that the Trump transition team set up security due to fears that Pruitt's anticipated iron fist against EPA regulations could generate public ire.

The revelation about Pruitt’s security spending is the latest in a string of expenditures that have been made public this year.

On Wednesday, The Hill reported that an internal document showed Pruitt spent at least $9,600 on office furnishing that included Smithsonian artwork, a refurbished desk and other framed items. Pruitt’s travel spending has also been the subject of intense criticism.

In March, Politico reported that he spent $105,000 on first-class airline travel during his first year.

Pruitt in testimony to Congress dismissed the controversies swirling around him as "fiction" pushed by opponents of his agenda.