Is Edwardsburg, MI Tap Water Safe to Drink?
Graded B+, with 10 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
81/100
waterverge.com Edwardsburg, MI — Water Quality Report
Edwardsburg's drinking water received a grade of B+ (81 out of 100), indicating good water quality. The city's 4 water systems serve approximately 1,643 residents using groundwater.
Lead levels were measured at 1.0 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 29 violations on record, including 5 health-based violations. 10 remain unresolved.
What to know about Edwardsburg's water
Edwardsburg ranks #343 out of 520 cities in Michigan for water quality, placing it below average in the state.
Edwardsburg 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, Edwardsburg may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 9 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Edwardsburg, MI water safe to drink?
Edwardsburg's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (81/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 1,643 residents using groundwater (wells).
Recent water quality updates for Edwardsburg
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Edwardsburg's water quality assessment. Grade: B+ (81/100).
Contaminants: Lead and Copper Rule.
Contaminants: Nitrate, Combined Uranium.
Contaminants: Consumer Confidence 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 Edwardsburg's water supply.
Well within EPA limits.
Violation history
Edwardsburg's water system has 29 total violations on record, including 5 health-based violations. 10 remain unresolved. 9 violations were 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 St. Joseph River, Dowagiac River.
Where does Edwardsburg's water come from?
Edwardsburg's drinking water comes from groundwater (wells), supplied by 4 water systems serving approximately 1,643 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include St. Joseph River (river), Dowagiac River (river).
What Edwardsburg residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Edwardsburg's water.
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.
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 Edwardsburg
Industrial polluters nearby
Reported releases to surface water by facilities near Edwardsburg, ranked by pounds discharged annually.
Total reported releases to surface water: 16 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
ELKHART PRODUCTS CORP ELKHART, IN46514 | Copper | 14 | 8.0 mi |
DW NATIONAL STANDARD-NILES LLC NILES, MI49120 | Nickel | 2 | 8.4 mi |
POSTLE EXTRUSIONS CASSOPOLIS, MI49031 | — | — | 9.3 mi |
MIDWEST TIMBER INC EDWARDSBURG, MI49112 | — | — | 0.8 mi |
MERCURY DISPLACEMENT INDUSTRIES INC. EDWARDSBURG, MI49112 | — | — | 1.7 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Edwardsburg
Superfund sites nearby
Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.
- U S AVIEX6.3 mi
- GALEN MYERS DUMP DRUM SALVAGE6.9 mi
- HIMCO DUMP7.2 mi
- NORTH SHORE DRIVE7.8 mi
- DOUGLAS ROAD UNIROYAL INC LANDFILL8.0 mi
+ 4 more sites
Source: EPA Superfund National Priorities List
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.
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. | 1.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Edwardsburg compares by contaminant
Explore where Edwardsburg ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Edwardsburg's water comes from
Edwardsburg'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 1,643 people through 4 water systems.
Water bodies near Edwardsburg
Edwardsburg is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Edwardsburg
| System Name | PWSID | Population | Source |
|---|---|---|---|
| EDWARDSBURG | MI0002077 | 1,260 | GW |
| COLONIAL ACRES | MI0040094 | 265 | GW |
| LINDEN MOBILE HOME PARK | MI0040098 | 92 | GW |
| EAGLE LAKE CONDOMINIUMS | MI0001925 | 26 | GW |
How Edwardsburg compares
Full Michigan rankings →Edwardsburg's score of 81/100 is above the average of 70/100 among major Michigan cities. It outscores 5 of 10 nearby cities.
Nearby cities
View Michigan rankings →About Edwardsburg, MI
Learn more about your water
Guides and resources related to Edwardsburg's water quality findings.
Explore water quality across Cass
Frequently asked questions
Is Edwardsburg, MI tap water safe to drink?
Edwardsburg's water quality earned a grade of B+ (81/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #343 out of 520 cities tested in Michigan.
What contaminants are in Edwardsburg's water?
Lead was measured at 1.0 ppb (90th percentile). 29 violations are on record.
How is Edwardsburg'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 Edwardsburg?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Edwardsburg's water come from?
Edwardsburg's water is sourced from Groundwater. The city has 4 water systems serving approximately 1,643 residents.
What health violations has Edwardsburg's water system had?
Edwardsburg has 5 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.
Is Edwardsburg's groundwater at risk of contamination?
Edwardsburg 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 29 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 Edwardsburg's water compare to other cities?
Edwardsburg ranks #343 out of 520 cities in Michigan (better than 34% of state cities) and #7636 out of 15744 cities nationally (52th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.