Is Marcellus, MI Tap Water Safe to Drink?
Graded B — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
79.3/100
waterverge.com Marcellus, MI — Water Quality Report
Marcellus's drinking water received a grade of B (79.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,198 residents using groundwater.
Lead levels were measured at 3.9 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 2 violations on record, including 0 health-based violations. 2 remain unresolved.
What to know about Marcellus's water
Marcellus ranks #366 out of 520 cities in Michigan for water quality, placing it below average in the state.
Marcellus 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.
As a small community water system, Marcellus may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Marcellus, MI water safe to drink?
Marcellus's tap water meets most EPA standards but has areas that warrant attention. With a grade of B (79.3/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,198 residents using groundwater (wells).
Recent water quality updates for Marcellus
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Marcellus's water quality assessment. Grade: B (79.3/100).
Contaminants: Revised Total Coliform Rule.
Federal disaster declaration (FEMA DR-3225). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-631). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Marcellus's water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Marcellus's water system has 2 total violations on record, including 0 health-based violations. 2 remain unresolved. 1 violation was issued in the last 5 years.
Flood & environmental risk
Cass County has experienced 2 federally declared disasters since 1980. 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 Rocky River.
Where does Marcellus's water come from?
Marcellus's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,198 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Rocky River (river).
What Marcellus 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.
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 Marcellus
Industrial polluters nearby
Reported releases to surface water by facilities near Marcellus, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
SPECIAL-LITE INC DECATUR, MI49045 | — | — | 9.8 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Cass County has experienced 2 federally declared disasters since 1980. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Marcellus'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. | 3.9 | 15 | ppb | Inorganic | Safe |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 1.78 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Marcellus compares by contaminant
Explore where Marcellus ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Marcellus's water comes from
Marcellus'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 1,198 people through 1 water system.
Water bodies near Marcellus
Marcellus is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Marcellus
| System Name | PWSID | Population | Source |
|---|---|---|---|
| MARCELLUS | MI0004070 | 1,198 | GW |
How Marcellus compares
Full Michigan rankings →Marcellus's score of 79.3/100 is above the average of 70/100 among major Michigan cities. It outscores 5 of 10 nearby cities.
Nearby cities
View Michigan rankings →About Marcellus, MI
Wikipedia →Marcellus is a village in Cass County in the U.S. state of Michigan. The population was 1,074 at the 2020 census. The village is located within Marcellus Township. It is part of the South Bend–Mishawaka, IN-MI, Metropolitan Statistical Area.
Learn more about your water
Guides and resources related to Marcellus's water quality findings.
Explore water quality across Cass
Frequently asked questions
Is Marcellus, MI tap water safe to drink?
Marcellus's water quality earned a grade of B (79.3/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #366 out of 520 cities tested in Michigan.
What contaminants are in Marcellus's water?
Lead was measured at 3.9 ppb (90th percentile). 2 violations are on record.
How is Marcellus'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 Marcellus?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Marcellus's water come from?
Marcellus's water is sourced from Groundwater. The city has 1 water system serving approximately 1,198 residents.
Is Marcellus's groundwater at risk of contamination?
Marcellus 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 2 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 Marcellus's water compare to other cities?
Marcellus ranks #366 out of 520 cities in Michigan (better than 30% of state cities) and #8309 out of 15744 cities nationally (47th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Marcellus's small water system affect quality?
Marcellus's system serves approximately 1,198 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 2 violations on record.