Is Tucson, MI Tap Water Safe to Drink?
Graded B-, with 16 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
74.9/100
waterverge.com Tucson, MI — Water Quality Report
Tucson's drinking water received a grade of B- (74.9 out of 100), indicating fair water quality. The city's 1 water system serves approximately 960 residents using groundwater.
Lead levels were measured at 0.0 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 187 violations on record, including 1 health-based violation. 16 remain unresolved.
What to know about Tucson's water
Tucson ranks #414 out of 520 cities in Michigan for water quality, placing it among the lowest-rated in the state.
Tucson 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, Tucson may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Tucson, MI water safe to drink?
Tucson's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (74.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 960 residents using groundwater (wells).
Recent water quality updates for Tucson
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Tucson's water quality assessment. Grade: B- (74.9/100).
Contaminants: Lead and Copper Rule.
1 health-based. Contaminants: Revised Total Coliform Rule.
Federal disaster declaration (FEMA DR-4757). Flood event — may have impacted local water infrastructure.
Contaminants: Chlorine.
Federal disaster declaration (FEMA DR-4195). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Tucson's water supply.
Well within EPA limits.
Violation history
Tucson's water system has 187 total violations on record, including 1 health-based violation. 16 remain unresolved. 4 violations were issued in the last 5 years.
Flood & environmental risk
Oakland County has experienced 4 federally declared disasters since 1975. 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 River Rouge, Upper River Rouge, Johnson Creek, Middle River Rouge.
Where does Tucson's water come from?
Tucson's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 960 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include River Rouge (river), Upper River Rouge (river), Johnson Creek (river), Middle River Rouge (river).
What Tucson residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Tucson'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.
Tucson'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
Flood & disaster history
Oakland County has experienced 4 federally declared disasters since 1975. 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. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Tucson compares by contaminant
Explore where Tucson ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Tucson's water comes from
Tucson'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 private ownership and serves approximately 960 people through 1 water system.
Water bodies near Tucson
Tucson is located near 4 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Tucson
| System Name | PWSID | Population | Source |
|---|---|---|---|
| TOWN & COUNTRY ESTATES | AZ0420109 | 960 | GW |
How Tucson compares
Full Michigan rankings →Tucson's score of 74.9/100 is on par with the average of 70/100 among major Michigan cities. It outscores 5 of 10 nearby cities.
Nearby cities
View Michigan rankings →About Tucson, MI
Wikipedia →Farmington Hills is a city in Oakland County in the U.S. state of Michigan. A northwestern suburb of Detroit, Farmington Hills is located roughly 22 miles (35.4 km) from downtown Detroit. As of the 2020 census, the city's population was 83,986, making it the second-largest community in Oakland County.
Learn more about your water
Guides and resources related to Tucson's water quality findings.
Explore water quality across Pima
Frequently asked questions
Is Tucson, MI tap water safe to drink?
Tucson's water quality earned a grade of B- (74.9/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #414 out of 520 cities tested in Michigan.
What contaminants are in Tucson's water?
Lead was measured at 0.0 ppb (90th percentile). 187 violations are on record.
How is Tucson'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 Tucson?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Tucson's water come from?
Tucson's water is sourced from Groundwater. The city has 1 water system serving approximately 960 residents.
What health violations has Tucson's water system had?
Tucson has 1 health-based violation 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. 16 violations remain unresolved.
Is Tucson's groundwater at risk of contamination?
Tucson 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 187 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 Tucson's water compare to other cities?
Tucson ranks #414 out of 520 cities in Michigan (better than 20% of state cities) and #9720 out of 15744 cities nationally (38th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Tucson's small water system affect quality?
Tucson's system serves approximately 960 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 187 violations on record.