Is Republic, MI Tap Water Safe to Drink?
Graded A+ with no contaminants above EPA limits. Here's everything we tested and how Republic ranks. What to do next ↓
95.9/100
waterverge.com Republic, MI — Water Quality Report
Republic's drinking water received a grade of A+ (95.9 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 700 residents using groundwater.
Lead levels were measured at 1.3 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 6 violations on record, including 2 health-based violations. All violations have been resolved.
What to know about Republic's water
Republic ranks #15 out of 520 cities in Michigan for water quality, placing it one of the best in the state.
Republic 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, Republic may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Republic, MI water safe to drink?
Based on EPA testing data, Republic's tap water is generally safe to drink. The water system earned a grade of A+ (95.9/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 700 residents using groundwater (wells).
Recent water quality updates for Republic
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Republic's water quality assessment. Grade: A+ (95.9/100).
Contaminants: Total Haloacetic Acids (HAA5), TTHM.
Contaminants: Chlorine.
Contaminants: Coliform (TCR).
Federal disaster declaration (FEMA DR-4121). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3225). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Republic's water supply.
Well within EPA limits.
Violation history
Republic's water system has 6 total violations on record, including 2 health-based violations. All violations have been resolved.
Flood & environmental risk
Marquette County has experienced 3 federally declared disasters since 2002. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.
Where does Republic's water come from?
Republic's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 700 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Republic 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.
Republic'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 Republic
Industrial polluters nearby
Reported releases to surface water by facilities near Republic, ranked by pounds discharged annually.
Total reported releases to surface water: 65 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
EAGLE MINE LLC-HUMBOLDT MILL CHAMPION, MI49814 | Nickel And Nickel Compounds | 65 | 6.6 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Marquette County has experienced 3 federally declared disasters since 2002. 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. | 1.3 | 15 | ppb | Inorganic | Safe |
Lead level (90th percentile)
Latest reading: 1.3 ppb (2023)
EPA action level: 15 ppb
See how Republic compares by contaminant
Explore where Republic ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Republic's water comes from
Republic'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 700 people through 1 water system.
Water systems serving Republic
| System Name | PWSID | Population | Source |
|---|---|---|---|
| REPUBLIC TOWNSHIP | MI0005660 | 700 | GW |
How Republic compares
Full Michigan rankings →Republic's score of 95.9/100 is above the average of 70/100 among major Michigan cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Michigan rankings →About Republic, MI
Wikipedia →Republic is an unincorporated community in Marquette County in the U.S. state of Michigan. It is also a census-designated place (CDP) for statistical purposes and no legal status as an incorporated municipality. The CDP had a population of 470 at the 2020 census, down from 570 in 2010. The community is located mostly within Republic Township with a small portion extending north into Humboldt Township.
Learn more about your water
Guides and resources related to Republic's water quality findings.
Explore water quality across Marquette
Frequently asked questions
Is Republic, MI tap water safe to drink?
Republic's water quality earned a grade of A+ (95.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #15 out of 520 cities tested in Michigan.
What contaminants are in Republic's water?
Lead was measured at 1.3 ppb (90th percentile). 6 violations are on record.
How is Republic'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 Republic?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Republic's water come from?
Republic's water is sourced from Groundwater. The city has 1 water system serving approximately 700 residents.
What health violations has Republic's water system had?
Republic has 2 health-based violations on record. The most recent violation was recorded in September 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. All health violations have been resolved.
Is Republic's groundwater at risk of contamination?
Republic 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 6 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 Republic's water compare to other cities?
Republic ranks #15 out of 520 cities in Michigan (better than 97% of state cities) and #260 out of 15744 cities nationally (98th percentile). The grade of A+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Republic's small water system affect quality?
Republic's system serves approximately 700 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 6 violations on record.