Rochester Boil Water Notices: Check Your Area and Use Tap Water Safely
Received a boil-water notice from Rochester Public Utilities (RPU)? A boil-water advisory means tap water may contain harmful germs. Until the utility lifts the advisory for your address, use commercially bottled water or water brought to a full rolling boil for at least one minute for drinking, food preparation and brushing teeth.
This guide covers Rochester, Minnesota—not Rochester, New York or Rochester Hills, Michigan. It explains how to verify an advisory, which neighborhoods were affected by the May 2026 water main break and how to handle everyday activities safely.
How to Check Whether Your Rochester Address Is Under a Boil Water Advisory
RPU boil-water notices can apply to a specific neighborhood, street or pressure zone. A notice affecting Northwest Rochester does not automatically apply to every household in the city.
- Open RPU’s official news page. Visit Rochester Public Utilities News.
- Look for the latest drinking-water notice. Check the publication date and whether the notice says an advisory has been issued, extended or lifted.
- Read the affected area carefully. Compare the listed streets, neighborhoods or pressure zones with your actual service address.
- Check for a later update. An advisory announcement may remain online after the situation is resolved. Look for a newer notice confirming that the advisory is lifted.
- Contact RPU if your address is unclear. Call 507-280-1500 and provide your street address and nearest intersection.
- Follow the current instructions. If RPU confirms an active boil-water advisory for your property, continue using bottled or boiled water until the utility officially clears it.
What Happened During Rochester’s May 2026 Boil Water Advisory?
Rochester Public Utilities issued a precautionary boil-water advisory after a water main break caused a loss of pressure in part of Northwest Rochester.
The published advisory identified the area near 65th Street Northwest and U.S. Highway 52.
Neighborhoods and Streets Mentioned
- 65th Street Northwest corridor.
- Overland Drive Northwest.
- Bandel Road Northwest.
- Boulder Ridge Drive Northwest.
- Portions of Boulder Ridge.
- Portions of Overland Pointe.
The notice did not mean every property near these roads was necessarily affected. The exact service boundaries were determined by the utility’s affected pressure zone.
Why Was the Advisory Issued?
A water main break can reduce pressure inside the distribution system. When pressure is too low, contaminated water may be able to enter through damaged or vulnerable parts of the system.
RPU issued the precautionary advisory while crews repaired the main and collected water-quality samples.
The utility initially expected the repairs and water testing to take approximately 36 hours, assuming no complications.
Was the Advisory Lifted?
Yes. Local news reported that RPU lifted the May 2026 advisory after water main repairs were completed and water testing confirmed the affected supply was safe for normal use.
The historic advisory can be read in RPU’s official announcement.
How to Boil Tap Water Safely During an RPU Advisory
If your address is included in a boil-water advisory, the Minnesota Department of Health and CDC recommend using bottled water or boiling tap water to make it safer from disease-causing germs.
- Choose a clean pot. Fill it with the amount of tap water you need. If the water is cloudy, let particles settle and carefully filter it through a clean cloth, paper towel or coffee filter first.
- Bring water to a full rolling boil. Heat until large bubbles are continuously breaking the surface across the pot.
- Keep boiling for at least one minute. Start timing only after the water reaches a full rolling boil.
- Let the water cool. Remove the pot from heat and allow the water to cool naturally before handling or drinking.
- Store it safely. Pour cooled water into a clean, sanitized container with a secure lid.
- Use this water for drinking and food preparation. Keep preparing safe water until RPU confirms the advisory has ended.
Does Filtered Water Still Need Boiling?
Yes. Ordinary refrigerator filters, pitcher filters and many household filtration systems do not reliably remove every germ of concern during a boil-water advisory.
Boil filtered tap water as directed unless RPU provides different, specific instructions.
Source: Minnesota Department of Health – Drinking Water Safety.
What Water Can You Use During a Boil Water Advisory?
You can usually continue some household activities, but anything that might be swallowed should use bottled water or water that has been boiled and cooled.
| Activity | Recommended Water | Important Precaution |
|---|---|---|
| Drinking | Bottled or boiled and cooled | Do not drink untreated tap water. |
| Cooking | Bottled or boiled and cooled | Use safe water for food preparation. |
| Brushing teeth | Bottled or boiled and cooled | Do not rinse your mouth with untreated tap water. |
| Washing produce | Bottled or boiled and cooled | Use safe water for fruits and vegetables. |
| Making ice | Bottled or boiled and cooled | Discard ice made with untreated tap water. |
| Preparing baby formula | Prefer ready-to-feed formula | Follow infant-feeding and formula safety guidance. |
| Showering | Tap water generally permitted | Avoid swallowing water. |
| Bathing young children | Use caution | Sponge baths reduce the risk of swallowing water. |
| Handwashing | Tap water and soap generally acceptable | Follow any more restrictive local instructions. |
| Laundry | Tap water generally permitted | Ordinary clothes washing can continue. |
| Pets | Bottled or boiled and cooled | Do not give pets untreated drinking water. |
| Garden watering | Tap water generally acceptable | Wash harvested produce using safe water. |
Baby Formula, Children and Higher-Risk Household Members
Babies, young children, older adults and people with weakened immune systems may face greater risks from contaminated drinking water.
Preparing Infant Formula
The CDC recommends using ready-to-feed infant formula during a boil-water advisory when possible, because it avoids the need to mix powdered formula with tap water.
If ready-to-feed formula is unavailable, use a safe water source and follow the product’s formula-preparation directions and your child’s healthcare provider’s advice. Powdered formula itself is not sterile, so correctly preparing it requires more than simply cooling boiled water.
Wash and sanitize bottles, nipples and feeding equipment according to CDC guidance.
Bathing Babies and Toddlers
Young children may accidentally swallow bathwater. A sponge bath can be safer than placing them in a bathtub during an advisory.
What If Someone Already Drank the Water?
Do not assume illness will occur from a single exposure. Watch for symptoms such as diarrhea, vomiting, nausea or abdominal cramps.
If symptoms develop, persist or occur in someone at increased risk, contact a healthcare professional. Seek urgent medical help for serious symptoms such as dehydration or inability to keep fluids down.
CDC resource: Drinking Water Advisories – What to Do.
Can You Wash Dishes or Use a Dishwasher?
Washing dishes needs extra care because contaminated water can remain on plates, cups, utensils and baby bottles.
Using a Dishwasher
The CDC says a dishwasher is generally safe during a boil-water advisory if it has a sanitizing cycle or a final rinse temperature of at least 150°F (66°C).
Check the machine’s manual. If it does not meet these conditions, use disposable dishes or wash and sanitize dishes by hand.
Washing Dishes by Hand
- Wash dishes using hot water and dish soap.
- Rinse as you normally would.
- In a separate clean basin, add one teaspoon of unscented household liquid bleach to each gallon of warm water.
- Soak rinsed dishes in this sanitizing solution for at least one minute.
- Allow dishes to air-dry completely before using them.
Refrigerators, Ice Makers, Coffee Machines and Water Filters
Water-connected appliances can retain untreated tap water. During an advisory, do not assume their contents are safe simply because the appliance has a built-in filter.
- Refrigerator dispenser: Use bottled or boiled-and-cooled water for drinking instead.
- Ice maker: Stop using it and discard ice produced from potentially affected water.
- Coffee machine: Use safe water. Do not assume an ordinary brew cycle provides reliable disinfection.
- Soda or beverage machine: Avoid water-connected dispensing equipment unless it is approved for use under the current advisory.
- Water filter: Continue following the manufacturer’s maintenance instructions, but remember that normal filtration does not replace boiling.
After RPU lifts the advisory, follow its instructions for flushing appliance lines, cleaning ice bins and replacing filters when necessary.
What to Do After Rochester Lifts a Boil Water Advisory
A water advisory should only be considered over when RPU or the responsible public health authority officially announces that the affected water supply is safe for normal use.
Before Returning to Normal Water Use
- Confirm the notice is lifted. Check the latest RPU announcement or contact Customer Care.
- Follow flushing instructions. RPU’s 2026 incident guidance advised affected customers to run faucets for approximately five minutes after the advisory was lifted.
- Flush connected appliances. Follow the refrigerator or appliance manufacturer’s guidance for clearing water lines.
- Discard affected ice. Empty and clean ice storage bins and make fresh ice after the system is cleared.
- Check household filters. Replace or service filters if instructed by RPU or the manufacturer.
- Resume ordinary use. Once the utility confirms clearance and required flushing or cleaning is complete, normal tap water activities can resume.
Why Does Water Testing Take Time?
After a water main repair, restoring pressure does not by itself prove that the drinking water is safe.
RPU may need to collect water samples and wait for laboratory results before lifting an advisory. This is why an advisory can remain in effect even after water pressure and supply have returned.
Rochester Water Main Breaks and Neighborhood-Specific Notices
RPU operates a municipal drinking-water system serving Rochester, Minnesota. Its water supply is managed through local infrastructure, including wells, pumping stations, storage facilities and distribution pipes.
A main break or pressure interruption can affect only part of that system. Notices may be based on a defined pressure zone rather than an entire ZIP code.
What If Your Neighbors Are Affected but You Have No Notice?
- Check the actual street boundaries in RPU’s current notice.
- Compare your address with any map or zone description provided.
- Ask neighboring households whether they received a direct RPU notice, but do not use that alone as confirmation.
- Call 507-280-1500 with your complete service address.
- If RPU confirms that your address is included, follow the advisory until an official lift is issued.
Brown Water or Low Pressure Without an Advisory
Discolored water can occur after changes in flow, hydrant work or main repairs. It does not automatically mean a boil-water advisory has been issued, but it should not be ignored.
If you notice sudden pressure loss, discolored water or unusual odor, consult RPU Water Resources and report the issue if necessary.
Rochester Public Utilities Emergency Phone Numbers
| Issue | Contact | When to Use |
|---|---|---|
| Boil-water advisory question | 507-280-1500 | RPU Customer Care during business hours. |
| Water outage during the day | 507-280-1500 | 8 AM–5 PM. |
| Water emergency after hours | 507-280-9191 | 5 PM–8 AM. |
| Electric outage | 507-280-9191 | 24-hour outage reporting. |
| Sewer backup or overflow | 507-328-2640 | City sewer-related emergency. |
RPU Service Center
4000 East River Road NE
Rochester, MN 55906
Customer Care: 507-280-1500
Email: customercare@rpu.org
Lobby: Monday–Friday, 8 AM–4:30 PM.
Customer Care by phone: Monday–Friday, 8 AM–5 PM.
Rochester Boil Water Advisory FAQs
Is Rochester, Minnesota currently under a boil-water advisory?
A citywide active advisory was not established by the official sources reviewed for this guide. Check RPU’s latest news or call 507-280-1500 for the current status of your specific address.
Was the May 2026 Rochester advisory lifted?
Yes. Local reporting confirmed that the Northwest Rochester advisory was lifted after repairs and water-quality testing. That does not determine the status of any newer incident.
How long should I boil water during an RPU advisory?
Bring tap water to a full rolling boil for at least one minute, then let it cool before drinking or using it for food preparation.
Can I shower during a boil-water advisory?
Usually yes, provided you avoid swallowing water. Take extra care with infants and young children. Follow stricter instructions if RPU issues them.
Can I brush my teeth with tap water?
Use bottled water or water that has been boiled and cooled. Do not brush your teeth with untreated tap water while an advisory covers your property.
Can I use my refrigerator water filter?
A standard refrigerator filter does not reliably eliminate every harmful germ. Use bottled or boiled water unless the official notice provides different instructions.
Can I wash clothes during a boil-water advisory?
Yes. Regular laundry generally can continue under a standard microbial boil-water advisory. RPU allowed laundry during its May 2026 incident.
Should I give my dog or cat boiled water?
Yes. Provide bottled or boiled-and-cooled water for pets until the advisory is lifted. Pets can also become ill from contaminated water.
Why is my water still under an advisory after repairs are complete?
Water pressure restoration and completed repairs do not automatically establish water safety. RPU may need laboratory testing before officially lifting the notice.
What should I do after a boil-water notice is lifted?
Follow RPU’s flushing and appliance-cleaning instructions. For the May 2026 incident, affected customers were advised to run faucets for approximately five minutes after the advisory was lifted.
Official Rochester Water Advisory and Safety Resources
- RPU News – Current Announcements
- RPU May 2026 Boil-Water Advisory Announcement
- RPU Water Services and Updates
- RPU Report a Water Outage or Emergency
- RPU Official Contact Information
- Minnesota Department of Health – Preventing Drinking Water Illnesses
- Minnesota Drinking Water Advisory Resources
- CDC – Drinking Water Advisories
- CDC – How to Make Water Safe in an Emergency