Did You Know? Welcome > Departments > Superior Court > Pretrial Services > Did You Know? It costs the local tax payer $78.00 per day to house each person booked into the Navajo County Jail. People are arrested and booked into the Navajo County Jail for criminal offenses, and on warrants for failure to appear and failure to pay fines. The United States has one of the highest arrest rates in the world, exceeding that of south Africa and comparable to the Soviet Union. Most arrestees booked into the Navajo County Jail are residents of the county who can not afford to post a monetary bond. Most arrestees booked into the Navajo County Jail have substance abuse issues and generally acknowledge the need for substance abuse treatment. An average of 360 people are booked into the Navajo County Jail each month. The Navajo County Pretrial Services supervises on the average of 35 defendants each month. Over 80% of the defendants supervised by the Navajo County Pretrial Services are eventually placed on probation. Navajo County Pretrial Services saves the county taxpayers an average of $750,000.00 per year.