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Actor Tom Selleck reached a tentative settlement Thursday with a California water district that accused him of receiving water taken from a fire hydrant and transported across district boundaries, an attorney for the agency told NBC News.

Attorney Grant Burton, who is general counsel for the Calleguas Municipal Water District in Ventura County, said the terms of the tentative settlement were confidential until a final agreement was reached.

Marty Singer, who is representing Selleck, could not immediately be reached for comment.

Burton said Selleck hired a third-party company which broke Metropolitan Water District rules by taking water from a hydrant in one water district to another.

The water district sued Selleck and his wife this week. The suit sought an order forcing Selleck to stop using the district's water, plus reimbursement for the $21,685.55 it paid to a private investigator, with damages and other costs.

Law enforcement officials told NBC News Wednesday that the 70-year-old star of "Blue Bloods" and formerly of "Magnum, P.I.," didn’t commit any crime.

California is in the fourth year of a historic drought. Eric Bergh, the water district's manager of resources, said the suit wasn't meant to be an example of "drought shaming,” but that it was only trying to protect the district’s water supply for its users.