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Tempe
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Lake Havasu City
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Apache Junction
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Parker
Extreme DUI under ARS 28-1382 applies when a chemical test puts your alcohol concentration at 0.15 or more but under 0.20 within two hours of driving. It is still a misdemeanor, but Arizona law requires jail time, fines, and a certified ignition interlock device on conviction.
A 0.15 is not hard to reach on a hot day on the water. Three or four drinks over an afternoon at Copper Canyon or Site Six, dehydration from 110-degree heat, and a body that absorbs alcohol faster than it would at home, and a person who feels fine tests at 0.16 an hour later.
Arizona does not care that you felt fine. Under ARS 28-1382(A)(1), a blood alcohol concentration between 0.15 and 0.199 is Extreme DUI, and a first offense carries 30 consecutive days in jail. The judge cannot substitute probation for that jail term. The only meaningful way to reduce it is by installing a certified ignition interlock, which can bring the served time down to nine days.
Matthew Lopez Law defends Extreme DUI charges in Lake Havasu City and throughout Mohave County. Contact our firm for a confidential consultation.
The state must prove three things:
Extreme DUI is still a Class 1 misdemeanor. That classification is misleading. Between fines, the prison construction assessment, jail costs, screening and treatment, interlock installation and monthly monitoring, and SR-22 insurance, a first-offense Extreme DUI routinely costs more than $3,500 before attorney fees.
| Penalty | Requirement |
| Jail | 30 consecutive days, reducible to 9 with a 12-month ignition interlock |
| Base fine | $250 minimum plus surcharges |
| Prison construction assessment | $1,000 |
| Jail costs | Paid by the defendant |
| License suspension | 90 days |
| Ignition interlock | 12 months after reinstatement |
| Alcohol screening and treatment | Mandatory |
| SR-22 insurance | 3 years |
A second Extreme DUI, or an Extreme DUI with any prior DUI within 84 months, raises the mandatory minimum to 120 days in jail with 60 served consecutively, a 12-month license revocation, and no probation until the sentence is served. The prior can be any DUI, at any level, from any state.
Lake Havasu City consolidates its courts in one location, which surprises people expecting a drive to Kingman. Which court hears your Extreme DUI depends on where the stop happened.
The distinction is practical, not academic. Different prosecuting agencies mean different plea practices, different charging habits, and different receptiveness to reduction. A stop on McCulloch Boulevard and a stop three miles up Highway 95 produce meaningfully different cases.
Three agencies make DUI arrests around Lake Havasu, and each brings its own procedures and its own weaknesses:
Enforcement escalates sharply during spring break and the summer holiday weekends, when saturation patrols run with officers working extended shifts and processing arrests in volume. Rushed processing produces exactly the problems that matter to a defense: incomplete observation periods, gaps in calibration and maintenance records, chain of custody handoffs between agencies, and body camera footage that contradicts the written report.
If your arrest happened on the water instead, the offense is Operating Under the Influence under ARS 5-395, enforced by Arizona Game and Fish, with its own elements including the requirement that the watercraft was underway.
Extreme DUI lives and dies on a specific reading. A 0.15 is Extreme. A 0.149 is a standard DUI with a 10-day minimum instead of 30. That is 20 days of a person’s life resting on one hundredth of a percent.
Arizona breath testing instruments carry an inherent margin of error, which means a reading of 0.155 sits within range of a standard DUI. Blood testing has its own vulnerabilities: warrant validity, who performed the draw, whether the sample was properly preserved and refrigerated, fermentation in stored samples, and laboratory methodology. Every reading near a threshold deserves independent scientific review.
The two-hour window is the other pressure point. Alcohol absorbs over time, so a person still absorbing when tested may have been below 0.15 while actually driving. In Lake Havasu, where a stop on the highway can mean a long transport before testing, that gap is often substantial.
The stop. Officers need reasonable suspicion. Stops made during high-volume holiday enforcement, based on thin or generic observations, are challengeable, and a bad stop suppresses everything after it.
Field sobriety testing. Heat, dehydration, exhaustion after a day on the water, uneven desert shoulders, and poor lighting all degrade performance on tests that were validated under very different conditions.
Breath instrument records. Calibration logs, quality assurance checks, operator certification, and the continuous 15-minute observation period are all documented, and gaps in that documentation are common during surge enforcement.
Blood draw and lab challenges. Warrant defects, draw qualifications, storage, and independent retesting.
Rising BAC. Where drinking occurred shortly before driving, the driving-time BAC may have been below the Extreme threshold.
Actual physical control. Sleeping in a parked vehicle is a frequent Lake Havasu fact pattern. Engine status, key location, and whether the vehicle posed any danger all bear on whether the state can prove control.
Reduction to standard DUI. Successfully challenging the reading below 0.15 cuts the mandatory jail from 30 days to 10.
Your arrest triggered a civil license proceeding at the Arizona Motor Vehicle Division that is entirely separate from the criminal case. You have 15 days from service to request a hearing. Miss it and the suspension is automatic. This is the most commonly missed deadline in Arizona DUI practice, and it matters just as much for visiting drivers as for residents.
Extreme DUI in Lake Havasu combines a rigid mandatory-minimum statute with the procedural weaknesses that come from high-volume seasonal enforcement. Challenging the reading, reviewing the instrument records, and meeting the 15-day MVD deadline are what separate 30 days in jail from nine, or from no conviction at all.
We serve clients in Lake Havasu, Parker, Tempe, Mesa, Apache Junction, and statewide. Payment plans available. Every interaction confidential.
Contact us for a free consultation.
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