Felony DWI lawyer in Ballwin, MO. A DWI arrest in Ballwin, MO can put your license, freedom, and future at risk. When the allegations rise to the level of a felony, however, the potential repercussions become substantially more severe. A felony drunk or drugged driving charge can expose you to years behind bars, a permanent felony record, and significant collateral consequences that may affect your career, finances, and opportunities long after the criminal case ends.
Felony DWI cases are also rarely straightforward. The prosecution may rely on prior DWI convictions, breath or blood testing, police observations, field sobriety tests, accident reconstruction, medical evidence, and testimony about injuries or deaths allegedly caused by impaired driving. The circumstances that elevate the offense to a felony can become just as important as the evidence used to establish intoxication itself.
At Combs Waterkotte, our criminal defense attorneys defend clients against serious DWI allegations throughout Ballwin and across Missouri. We examine how the investigation began, what happened during the traffic stop and arrest, how chemical testing was conducted, whether prior offenses can support an enhancement, and what evidence exists for every aggravating allegation. Prosecutors carry the burden of proving the charges beyond a reasonable doubt, and we work to hold them to that burden at every stage of the case.
If you have been charged with felony DWI in or around Ballwin, MO, call Combs Waterkotte at (314) 900-HELP or contact us online for a free, confidential consultation with an experienced DWI defense attorney.
Cases Handled
Over 10,000
Jail Days Saved
Over 1 Million
Google Reviews
500+ Perfect
Legal Experience
Over 80 Years
Legal Videos

Will a CDL DUI Automatically Suspend My Commercial Driving Privileges in Illinois?
Will a CDL DUI Automatically Suspend My Commercial Driving Privileges in Illinois? Combs Waterkotte attorney Joshua Boardman discusses everything you need to know about Illinois DUI criminal …

Do DUI Arrests Have to be Reported by CDL Drivers in Illinois?
Do DUI Arrests Have to be Reported by CDL Drivers in Illinois? Combs Waterkotte attorney Joshua Boardman discusses everything you need to know about Illinois DUI criminal charges, including …

How Does a Second DUI Affect a CDL in Illinois?
How Does a Second DUI Affect a CDL in Illinois? Combs Waterkotte attorney Joshua Boardman discusses everything you need to know about Illinois DUI criminal charges, including first-time DUI, second …

What Happens to My Job After a CDL DUI Arrest in Illinois?
What Happens to My Job After a CDL DUI Arrest in Illinois? Combs Waterkotte attorney Joshua Boardman discusses everything you need to know about Illinois DUI criminal charges, including first-time …

Can I Drive Commercially While My DUI Case is Pending in Illinois?
Can I Drive Commercially While My DUI Case is Pending in Illinois? Combs Waterkotte attorney Joshua Boardman discusses everything you need to know about Illinois DUI criminal charges, including …

Can a CDL DUI be Expunged or Sealed in Illinois?
Can a CDL DUI be Expunged or Sealed in Illinois? Combs Waterkotte attorney Joshua Boardman discusses everything you need to know about Illinois DUI criminal charges, including first-time DUI …
What You’ll Learn About Felony DWI Charges in Ballwin, MO
Felony DWI allegations can put your freedom, criminal record, driving privileges, and future at risk. In Ballwin, MO, these cases may arise from a history of prior DWI offenses or particularly serious circumstances, including crashes involving significant injuries or fatalities. Knowing what elevates a DWI to a felony, and what prosecutors must prove, can help you better understand the charges and decisions ahead.
This guide explains important aspects of felony DWI cases in Ballwin, MO, including:
- When a DWI becomes a felony in Missouri and what circumstances Missouri law considers when determining the severity of an offense
- Missouri’s repeat DWI offender classifications, including persistent, aggravated, chronic, and habitual DWI offenders
- How serious felony DWI penalties can become, including possible prison sentences and limitations involving probation or parole
- How serious injuries or fatalities can affect DWI charges and why determining who or what caused a collision can become central to the case
- What evidence prosecutors may use such as chemical test results, field sobriety testing, police recordings, witnesses, and crash reconstruction
- What issues could potentially undermine the prosecution’s case, from unlawful traffic stops and unreliable chemical testing to problems with prior-offense enhancements
- How a DWI arrest can affect your driver’s license separately from the criminal prosecution and why both may require immediate attention following an arrest
- How working with a felony DWI attorney in Ballwin, MO can affect your case , particularly when substantial prison exposure and a permanent felony record are at stake
Felony DWI cases can expose defendants to years in prison and consequences that extend well beyond the courtroom. The Ballwin, MO defense attorneys at Combs Waterkotte can examine every part of the prosecution’s case and develop a defense strategy based on the specific facts and evidence involved.
When Does a DWI Become a Felony in Ballwin, MO?
Not every DWI in Ballwin, MO is a felony. A first-time DWI is generally prosecuted as a misdemeanor when no circumstances exist that justify more serious charges. However, under Missouri Revised Statute § 577.010, the severity of DWI charges increases when certain aggravating factors are present.
A driver’s prior intoxication-related traffic offenses can play a major role in determining the severity of a new DWI charge. Prosecutors may also look at what happened during the alleged offense itself. Factors that can increase the seriousness of a DWI case in Ballwin, MO include:
- A High Blood Alcohol Concentration (BAC): A blood alcohol concentration of .15 or greater can trigger increased penalties and affect the availability of alternative sentencing.
- A History of DWI-Related Traffic Offenses: Having multiple prior intoxication-related traffic offenses.
- Injury or Death: Acting with criminal negligence to cause physical injury to law enforcement, emergency personnel, or any other person elevates the charge.
- A Child Passenger: Having a passenger younger than 17 while allegedly driving intoxicated can result in a Class A misdemeanor on a first offense and felony consequences for a subsequent occurrence.
- Other Factors: Allegations involving driving while suspended or revoked or refusing a chemical test can create additional legal and licensing consequences.
A felony DWI case can involve two separate battles. Your Ballwin, MO DUI defense attorney may need to challenge the allegation that you were intoxicated while also examining whether prosecutors can legally establish the prior convictions or aggravating circumstances necessary to elevate the charge.
St. Louis County Resources
Below are quick links to important websites that may assist you with your legal matters in St. Louis County and Missouri.
Repeat DWI Offender Classifications in Ballwin, MO
Missouri uses different classifications for repeat DWI offenders. These classifications become increasingly serious as qualifying prior offenses accumulate. Under RSMo § 577.023, these classifications are:
Persistent Offender
Missouri may classify a defendant as a persistent offender when their record contains qualifying prior intoxication-related traffic offenses. Meeting the statutory requirements for persistent offender status can elevate the current DWI beyond an ordinary misdemeanor and expose the defendant to felony-level penalties.
Ballwin, MO Aggravated Offender
Aggravated offender status applies to defendants with a more substantial history of qualifying intoxication-related traffic offenses or certain serious prior DWI-related offenses. The designation increases the severity of the felony charge and can result in greater potential prison exposure.
Chronic Offender in Ballwin, MO
Missouri law also recognizes chronic offenders, who face even greater criminal exposure based on their history of qualifying DWI-related offenses. At this level, prosecutors may seek substantial prison time, making careful examination of every prior conviction critical to the defense.
Ballwin, MO Habitual Offender
Habitual offender status can place a defendant among the most seriously prosecuted repeat DWI offenders in Ballwin, MO. Although the potential penalties are severe, the classification is not automatic simply because a person has multiple prior DWI cases. Prosecutors must prove that the defendant’s record contains the qualifying offenses required to establish habitual offender status.
Our DWI attorneys in Ballwin, MO carefully review prior court records, charging documents, plea records, dispositions, and other relevant evidence to determine whether the prosecution can legally establish the repeat-offender classification alleged in your case.
Felony DWI Sentencing and Repeat Offender Penalties in Missouri
Missouri’s DWI penalties become increasingly severe when a defendant has qualifying prior intoxication-related traffic offenses. In Ballwin, MO, persistent offender status can elevate a DWI to a felony, while aggravated, chronic, and habitual offender classifications can expose defendants to progressively higher felony levels and substantially longer prison sentences.
| Offender Status | Qualifying Offense History | Charge Level | Potential Incarceration | Minimum Time Before Parole or Probation |
|---|---|---|---|---|
| Prior Offender | One prior intoxication-related traffic offense within the applicable 5-year period | Class A misdemeanor | Up to 1 year | Generally 10 days, subject to statutory community service or treatment alternatives |
| Persistent Offender | Two or more intoxication-related traffic offenses committed on separate occasions, or certain prior intoxication-related offenses involving injury or death | Class E felony | Up to 4 years | Generally 30 days, subject to statutory community service or treatment alternatives |
| Aggravated Offender | Three or more intoxication-related traffic offenses, or qualifying combinations involving prior DWI offenses that caused injury or death | Class D felony | Up to 7 years | At least 60 days |
| Chronic Offender | Four or more intoxication-related traffic offenses, or certain combinations of prior offenses involving injury or death | Class C felony | 3 to 10 years | At least 2 years |
| Habitual Offender | Five or more intoxication-related traffic offenses, or certain combinations of prior offenses involving injury or death | Class B felony | 5 to 15 years | At least 2 years |
Important: The number of prior DWIs alone does not always determine offender status. Missouri law also considers whether earlier intoxication-related traffic offenses involved injuries or deaths. For example, a person may qualify as a persistent, aggravated, chronic, or habitual offender with fewer prior offenses when qualifying injury- or death-related offenses are part of their record.
A felony DWI conviction in Ballwin, MO can also create problems long after any prison sentence, probation, or parole has ended. A felony record may affect your ability to secure employment, maintain professional licenses, obtain housing, pursue educational opportunities, address immigration matters, or exercise certain firearm rights. A felony DWI can also increase the stakes considerably if you are accused of another intoxication-related driving offense later.
That is why hiring a skilled Ballwin, MO DWI defense attorney should begin as early as possible.
Felony DWI Involving Serious Physical Injury in Ballwin, MO
A DWI case in Ballwin, MO can carry much greater consequences when the state claims that intoxicated driving resulted in serious physical injury to another person. These allegations can arise from crashes involving:
- Another motorist
- A passenger
- Pedestrians
- Bicyclists
- Motorcyclists
- An emergency responder
- A worker in a highway or construction zone
- Another person affected by the collision
However, the fact that someone was injured does not, by itself, prove that the defendant was criminally responsible for those injuries. Prosecutors must establish the necessary connection between the alleged impaired driving, the collision, and the resulting harm. For that reason, determining what actually caused the crash can become one of the most important issues in a felony DWI case.
For example, another driver may have run a red light, changed lanes unexpectedly, been speeding, or otherwise contributed to the collision. Road conditions, mechanical failures, visibility problems, and other factors may also affect how an accident occurred. Because of these, a felony DWI defense should examine more than the defendant’s BAC. It should investigate the crash itself.
DWI Resulting in Death in Ballwin, MO
When an alleged DWI accident results in someone’s death, the potential consequences become substantially more serious. Fatal crashes can bring intense scrutiny and significant pressure on prosecutors to pursue the harshest available charges, while the accused may be facing years of incarceration and other life-changing consequences.
But a fatality does not eliminate the prosecution’s burden of proof. A defense investigation may examine:
- The sequence of events leading to the crash
- The speeds of the vehicles involved
- Braking and steering information
- Traffic lights, signs, and right-of-way issues
- Road and weather conditions
- Dash-camera or surveillance video
- Damage to the vehicles
- Event data recorder information
- Witness testimony
- Toxicology evidence
- Accident reconstruction reports
- Whether another motorist’s actions contributed to the fatal collision
Being present in a fatal DWI crash is not necessarily the same as legally causing the death. Our DWI defense attorneys in Ballwin, MO can examine the physical and scientific evidence, consult investigators and experts when appropriate, and test whether the prosecution’s version of the collision is actually supported by the evidence.
How Prosecutors Try to Prove Felony DWI Cases in Ballwin, MO
Felony DWI prosecutions may involve considerably more evidence than an ordinary traffic stop. Police and prosecutors may rely on:
- Observations made by responding officers
- Dash-cam video
- Body-cam video
- Field sobriety test results
- Breath alcohol testing
- Blood and urine analysis
- Medical and hospital records
- Eyewitness accounts
- 911 recordings
- Surveillance video
- Electronic information from involved vehicles
- Cellphone data and records
- Crash reconstruction evidence
- Records of prior DWI offenses
Having evidence and proving a felony DWI beyond a reasonable doubt are not the same thing.
Chemical tests can be challenged. Police observations can be contradicted by video. Witnesses can be mistaken. Field sobriety testing can be improperly administered. Accident reconstructions can rely on questionable assumptions. A felony conviction should not rest on evidence that cannot withstand careful scrutiny.
Challenging Breath and Blood Tests in a Ballwin, MO Felony DWI Case
A BAC result may be powerful evidence for prosecutors, but it is not necessarily unquestionable. Breath-testing devices must be properly maintained and operated. Blood samples must be properly collected, preserved, transported, tested, and documented. Errors anywhere in that process can raise questions about reliability.
Potential issues may include:
- Whether the breath-testing device was properly calibrated
- Testing equipment problems
- Failure to follow required procedures
- Contamination of a blood sample
- Improper storage or preservation of a sample
- Chain-of-custody problems
- Delays between driving and testing
- Laboratory testing or reporting errors
- Medical conditions affecting results
- Questions about how toxicology findings were interpreted
Blood testing can become particularly important in felony cases arising from serious crashes because an injured driver may have blood drawn at a hospital. Your Ballwin, MO felony DWI lawyer can investigate where the sample came from, why it was collected, how it was tested, who handled it, and whether the prosecution can lawfully use the results against you.
Charged with felony DWI in Ballwin, MO? When you select Combs Waterkotte Ballwin, MO a felony DWI lawyer, you’re not only partnering with a top-rated felony DWI defense attorney in Ballwin, MO and beyond – you are securing your rights, your freedom, and your future. Along with knowledgeable felony DWI defense attorneys, our staff is available 24/7 and provides expertise in the following areas for Ballwin, MO residents:
How Can You Fight Felony DWI Charges in Ballwin, MO?
There is no universal defense to a felony DWI. The appropriate strategy depends on why you were stopped, what officers observed, what testing occurred, whether an accident happened, and what prosecutors are relying on to enhance the charge.
Depending on those circumstances, defense strategies for winning your DWI case may focus on issues such as:
The Traffic Stop Was Unlawful
Police generally need a lawful basis to stop a vehicle. When officers lack sufficient legal justification for a traffic stop in the Ballwin, MO area, evidence obtained afterward may be subject to suppression.
If critical evidence is suppressed, prosecutors may have difficulty proceeding with the case.
Questioning the Reliability of Chemical Testing
Breath and blood testing procedures are technical, but they are not infallible. Your attorney can investigate whether equipment, personnel, laboratory procedures, and sample handling complied with applicable requirements.
The State’s Evidence Does Not Prove Impairment
A person can appear tired, confused, nervous, injured, or unsteady for reasons unrelated to intoxication.
Body-camera and dash-camera footage can sometimes tell a very different story than the language used in a police report.
The Defendant Did Not Cause the Crash
In felony cases involving an accident, prosecutors may need to prove more than intoxication. They may also need to establish the relationship between the defendant’s conduct and the resulting injury or death.
Accident reconstruction evidence may show that another driver, road hazard, mechanical defect, or unavoidable circumstance caused or contributed to the collision.
Prior Convictions Do Not Support the Enhancement
When prosecutors rely on previous intoxication-related traffic offenses to turn a DWI into a felony or increase its classification, the underlying records should be carefully reviewed.
A prior offense may not qualify in the way prosecutors claim, or the state may have difficulty establishing the records necessary to prove the enhancement.
Steps to Take After Being Arrested for Felony DWI in Ballwin, MO
What you do following a felony DWI arrest can have consequences for both the criminal prosecution and your driving privileges. If you have been arrested for felony DWI in or around Ballwin, MO, consider taking the following steps:
Step 1: Protect Your Right to Remain Silent
Investigators may continue seeking information after your arrest, particularly when the case involves a serious collision, injury, or death. Statements you make could later become part of the evidence prosecutors attempt to use against you. Exercise your right to remain silent and talk to your Ballwin, MO felony DWI defense attorney before discussing the allegations with investigators.
Step 2: Avoid Discussing the Case Online
Social media can create evidence that did not otherwise exist. Posts, photographs, comments, videos, location information, and conversations about the arrest or accident may be taken out of context or used during the prosecution. Avoid posting details about the case while it remains pending.
Step 3: Protect and Preserve Potential Evidence
Preserve photographs, videos, messages, receipts, location information, rideshare records, and anything else connected to the incident. These materials may help establish what happened before, during, or after the alleged offense and give your defense attorney additional information to investigate.
Step 4: Organize Your Court and Driver’s License Documents
Keep every document you receive from law enforcement, the court, or Missouri driver’s license authorities. Your criminal prosecution and administrative driver’s license proceedings are separate matters, and each may involve its own requirements and deadlines.
Step 5: Speak With an Experienced Ballwin Felony DWI Defense Attorney as Soon as Possible
Felony DWI cases can involve chemical testing, prior convictions, accident reconstruction, witness testimony, video evidence, and serious sentencing exposure. Getting a knowledgeable Ballwin, MO felony DWI attorney involved early provides more time to investigate what happened, preserve favorable evidence, examine the state’s allegations, and begin developing your defense.
The government may begin preparing its case immediately after an arrest. Acting quickly gives your defense more time to investigate independently, preserve evidence that could otherwise disappear, and prepare for both the criminal and driver’s license proceedings ahead.
What Sets Combs Waterkotte Apart in Ballwin, MO Felony DWI Cases?
A felony DWI case can threaten years of your life. It demands more than a routine approach to criminal defense.
At Combs Waterkotte, we do not assume that a police report, chemical test, prior conviction, or accident investigation tells the complete story. Our attorneys examine the evidence independently, look for weaknesses in the prosecution’s case, and determine what actually happened before deciding how to move forward.
Our Ballwin, MO felony DWI defense team can take steps to:
- • Conduct a detailed investigation into the circumstances surrounding your arrest
- • Determine whether police had a lawful basis to stop your vehicle
- • Scrutinize how field sobriety tests were administered and interpreted
- • Analyze breath, blood, and urine test evidence
- • Examine the prosecution’s use of prior Ballwin, MO DWI convictions
- • Investigate allegations involving serious physical injury or a fatal collision
- • Review body-camera and dash-camera footage
- • Locate and interview witnesses who may have relevant information
- • Work with appropriate experts
- • Seek to exclude evidence that was unlawfully obtained or cannot be shown to be reliable
- • Put your priorities at the center of the defense strategy while negotiating with prosecutors when appropriate
- • Remain prepared to take the case to trial when the prosecution refuses to reach a fair resolution
Your defense should reflect the evidence, allegations, and circumstances unique to your Ballwin, MO felony DWI case. That is the approach Combs Waterkotte brings to every stage of the process.

Facing Felony DWI Charges in Ballwin, MO? Call Combs Waterkotte Today
Felony DWI charges can put far more than your driving privileges at risk. A conviction may mean substantial prison time, a felony record, damage to your career and reputation, and consequences that continue long after the criminal case is over. With so much at stake, every aspect of the prosecution’s allegations deserves careful examination.
At Combs Waterkotte, we defend clients accused of felony DWI throughout Ballwin and across Missouri. Whether the state is attempting to enhance your charge because of prior DWI convictions, an alleged high BAC, a serious collision, injuries, or other aggravating circumstances, our attorneys can examine the evidence, challenge weaknesses in the government’s case, and develop a defense based on your specific circumstances.
If you have been accused of felony DWI, do not wait to begin protecting yourself. Call Combs Waterkotte at (314) 900-HELP or contact us online to discuss your situation with a skilled Ballwin, MO felony DWI attorney today.

