Under federal law, a “reasonable break time” for nursing mothers means enough time to fully express breast milk each time you need to pump, for up to one year after your child’s birth. The law deliberately avoids setting a specific number of minutes because every mother’s needs are different. In practice, most pumping sessions take 20 to 30 minutes, with additional time for setup and cleanup bringing the total closer to 30 to 45 minutes per break.
What Federal Law Actually Requires
The PUMP for Nursing Mothers Act, which expanded protections under the Fair Labor Standards Act, gives most employees the right to take a break each time they need to express milk during the workday. Your employer cannot deny you a needed pumping break. The law covers you for one full year after your child’s birth.
Congress intentionally left “reasonable” undefined in terms of exact minutes or frequency. The Department of Labor acknowledges that how often you need to pump and how long each session takes will vary based on your body, your baby’s age, and workplace logistics like how far you have to walk to reach the pumping space and how long it takes to set up equipment. All of that counts as part of the break.
Your employer must also provide a clean, private space that is not a bathroom. This space needs to be shielded from view and free from intrusion by coworkers or the public.
How Long a Pumping Break Actually Takes
The milk expression itself typically runs 20 to 30 minutes per session. Lactation experts recommend pumping until you no longer see milk flowing, then continuing for another 2 to 3 minutes to fully empty the breast. Incomplete emptying is not just inconvenient; it can lead to painful engorgement, clogged ducts, and a gradual drop in milk supply.
But expression time is only part of the equation. A realistic break also includes walking to the lactation room, setting up the pump, storing the milk afterward, cleaning pump parts, and returning to your workspace. For many women, a single break runs 30 to 45 minutes from start to finish. If the designated space is far from your work area, it can take even longer, and the Department of Labor recognizes that travel time and setup are legitimate parts of the break.
How Often You Need to Pump
Milk supply works on a demand-and-response cycle: the more frequently your breasts are emptied, the more milk your body produces. To maintain a healthy supply during an 8-hour shift, most nursing mothers need to pump every 2 to 3 hours, which typically means two to three pumping breaks per workday plus a lunch break. Cincinnati Children’s Hospital recommends pumping at least eight times in a 24-hour period to sustain supply, so the sessions you miss at work without making up can directly reduce how much milk you produce.
Skipping or rushing sessions doesn’t just lower supply over time. It raises your risk of mastitis, a painful breast infection caused by milk that stays trapped in the ducts too long. This is why the law protects your right to pump “each time” you need to, not just once or twice a shift.
Paid vs. Unpaid Break Time
Federal law does not require pumping breaks to be paid. However, if your employer already provides paid breaks (like a standard 15-minute break), and you use that time to pump, it must be compensated the same way it would be for any other employee on break. In other words, your employer can’t dock your pay for a break that would otherwise be paid just because you spent it pumping.
Some states go further. Georgia, for example, requires that lactation breaks be paid at your regular rate of compensation. If you live in a state with its own breastfeeding law, the rule that gives you more protection is the one that applies.
State Laws That Go Beyond Federal Protections
Several states offer stronger protections than the federal baseline. The differences usually involve longer coverage periods, paid break requirements, or broader employer obligations.
- Colorado extends the right to pump breaks for up to two years after birth, double the federal one-year window. The law applies to every employer in the state, even those with just one employee.
- Georgia requires private employers to provide both a private location (not a restroom) and paid break time at the employee’s regular rate.
- Maine covers nursing employees until the child turns three, making it one of the longest protection windows in the country.
Check your state’s specific law, because you’re entitled to whichever standard is more generous.
Who Is Exempt
Most workers are covered, but a few narrow exceptions exist. Flight crew members, including pilots and flight attendants, are fully excluded from the PUMP Act’s protections. Beginning in late 2025, rail crew members and motorcoach operators will be covered, though their employers can claim an exemption on a case-by-case basis if compliance would create unsafe conditions or require significant expense.
For ground-based jobs, there is no blanket small-business exemption from the break time requirement. If you work for a small employer, you still have the right to pump breaks and a private space.
What “Reasonable” Looks Like in Practice
Because the law ties “reasonable” to your individual needs rather than a fixed clock, what counts as reasonable can shift over time. In the early months, when your baby is feeding more frequently and your supply is still regulating, you may need longer and more frequent breaks. As your baby gets older and starts eating solid foods, your pumping needs will likely decrease.
A practical benchmark for most mothers returning to work: plan for three breaks of about 30 minutes each during a standard 8-hour shift. Some women are faster, some slower. If your employer pushes back on the time or frequency, the Department of Labor is clear that the employer bears the burden of accommodating your needs, not the other way around. You are not required to justify each session with medical documentation, and your employer cannot ask you to pump on a schedule that doesn’t align with your body’s signals.