Is Mamakating (T), 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 ↓
84.7/100
waterverge.com Mamakating (T), MI — Water Quality Report
Mamakating (T)'s drinking water received a grade of B+ (84.7 out of 100), indicating good water quality. The city's 1 water system serves approximately 900 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 11 violations on record, including 0 health-based violations. 5 remain unresolved.
What to know about Mamakating (T)'s water
Mamakating (T) ranks #259 out of 520 cities in Michigan for water quality, placing it mid-range in the state.
Mamakating (T) 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, Mamakating (T) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Mamakating (T), MI water safe to drink?
Mamakating (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (84.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 900 residents using groundwater (wells).
Recent water quality updates for Mamakating (T)
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Mamakating (T)'s water quality assessment. Grade: B+ (84.7/100).
Federal disaster declaration (FEMA DR-4757). Flood event — may have impacted local water infrastructure.
Contaminants: Revised Total Coliform Rule.
Contaminants: Coliform (TCR).
Contaminants: Lead and Copper Rule.
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 Mamakating (T)'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
Mamakating (T)'s water system has 11 total violations on record, including 0 health-based violations. 5 remain unresolved. 1 violation was 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 Mamakating (T)'s water come from?
Mamakating (T)'s drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 900 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 Mamakating (T) residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Mamakating (T)'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.
Mamakating (T)'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.
Recommended water filters
Based on contaminants detected in Mamakating (T)'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. | 1.0 | 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. | 1.70 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level (90th percentile)
Latest reading: 1.700 mg/L (2013)
EPA action level: 1.3 mg/L
See how Mamakating (T) compares by contaminant
Explore where Mamakating (T) ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Mamakating (T)'s water comes from
Mamakating (T)'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 900 people through 1 water system.
Water bodies near Mamakating (T)
Mamakating (T) is located near 4 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Mamakating (T)
| System Name | PWSID | Population | Source |
|---|---|---|---|
| NEW TWIN LAKES VILLAGE | NY5201350 | 900 | GW |
How Mamakating (T) compares
Full Michigan rankings →Mamakating (T)'s score of 84.7/100 is above the average of 70/100 among major Michigan cities. It outscores 6 of 10 nearby cities.
Nearby cities
View Michigan rankings →About Mamakating (T), 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 Mamakating (T)'s water quality findings.
Explore water quality across Sullivan
Frequently asked questions
Is Mamakating (T), MI tap water safe to drink?
Mamakating (T)'s water quality earned a grade of B+ (84.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #259 out of 520 cities tested in Michigan.
What contaminants are in Mamakating (T)'s water?
Lead was measured at 1.0 ppb (90th percentile). 11 violations are on record.
How is Mamakating (T)'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 Mamakating (T)?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Mamakating (T)'s water come from?
Mamakating (T)'s water is sourced from Groundwater. The city has 1 water system serving approximately 900 residents.
Is Mamakating (T)'s groundwater at risk of contamination?
Mamakating (T) 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 11 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 Mamakating (T)'s water compare to other cities?
Mamakating (T) ranks #259 out of 520 cities in Michigan (better than 50% of state cities) and #5746 out of 15744 cities nationally (64th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Mamakating (T)'s small water system affect quality?
Mamakating (T)'s system serves approximately 900 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 11 violations on record.