Is Sebewaing, MI Tap Water Safe to Drink?
Graded B+, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓
83.8/100
waterverge.com Sebewaing, MI — Water Quality Report
Sebewaing's drinking water received a grade of B+ (83.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,721 residents using groundwater.
Lead levels were measured at 14.0 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 8 violations on record, including 1 health-based violation. 1 remains unresolved.
What to know about Sebewaing's water
Sebewaing ranks #289 out of 520 cities in Michigan for water quality, placing it below average in the state.
Sebewaing relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.
As a small community water system, Sebewaing may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Sebewaing, MI water safe to drink?
Sebewaing's tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (83.8/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,721 residents using groundwater (wells).
Recent water quality updates for Sebewaing
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Sebewaing's water quality assessment. Grade: B+ (83.8/100).
Contaminants: Combined Radium (-226 and -228), Radium-228, Radium-226.
Contaminants: Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228).
Federal disaster declaration (FEMA DR-3225). Hurricane event — may have impacted local water infrastructure.
1 health-based. Contaminants: Coliform (TCR).
Federal disaster declaration (FEMA DR-774). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Sebewaing's water supply.
Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.
Violation history
Sebewaing's water system has 8 total violations on record, including 1 health-based violation. 1 remain unresolved.
Flood & environmental risk
Huron County has experienced 4 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Sebewaing River.
Where does Sebewaing's water come from?
Sebewaing's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,721 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Sebewaing River (river).
What Sebewaing residents can do
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Sebewaing's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Sebewaing
Industrial polluters nearby
Reported releases to surface water by facilities near Sebewaing, ranked by pounds discharged annually.
Total reported releases to surface water: 4,677 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
MICHIGAN SUGAR CO - SEBEWAING FACTORY SEBEWAING, MI48759 | Ammonia | 4,677 | 0.7 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Huron County has experienced 4 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Sebewaing's water supply, we recommend the following filter types.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 14.0 | 15 | ppb | Inorganic | Near Limit |
Lead level trend (90th percentile)
See how Sebewaing compares by contaminant
Explore where Sebewaing ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Sebewaing's water comes from
Sebewaing's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by local government ownership and serves approximately 1,721 people through 1 water system.
Water bodies near Sebewaing
Sebewaing is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Sebewaing
| System Name | PWSID | Population | Source |
|---|---|---|---|
| SEBEWAING LIGHT & WATER | MI0005990 | 1,721 | GW |
How Sebewaing compares
Full Michigan rankings →Sebewaing's score of 83.8/100 is above the average of 70/100 among major Michigan cities. It outscores 5 of 10 nearby cities.
Nearby cities
View Michigan rankings →About Sebewaing, MI
Learn more about your water
Guides and resources related to Sebewaing's water quality findings.
Explore water quality across Huron
Frequently asked questions
Is Sebewaing, MI tap water safe to drink?
Sebewaing's water quality earned a grade of B+ (83.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #289 out of 520 cities tested in Michigan.
What contaminants are in Sebewaing's water?
Lead was measured at 14.0 ppb (90th percentile). 8 violations are on record.
How is Sebewaing's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Sebewaing?
While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.
Where does Sebewaing's water come from?
Sebewaing's water is sourced from Groundwater. The city has 1 water system serving approximately 1,721 residents.
What health violations has Sebewaing's water system had?
Sebewaing has 1 health-based violation on record. The most recent violation was recorded in January 2019. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.
Is Sebewaing's groundwater at risk of contamination?
Sebewaing uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 8 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Sebewaing's water compare to other cities?
Sebewaing ranks #289 out of 520 cities in Michigan (better than 44% of state cities) and #6269 out of 15744 cities nationally (60th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Sebewaing's small water system affect quality?
Sebewaing's system serves approximately 1,721 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 8 violations on record.