Is Northport, MI Tap Water Safe to Drink?
Graded A-, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
88.2/100
waterverge.com Northport, MI — Water Quality Report
Northport's drinking water received a grade of A- (88.2 out of 100), indicating good water quality. The city's 2 water systems serve approximately 766 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 17 violations on record, including 6 health-based violations. 4 remain unresolved.
What to know about Northport's water
Northport ranks #166 out of 520 cities in Michigan for water quality, placing it mid-range in the state.
Northport 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, Northport may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Northport, MI water safe to drink?
Northport's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 766 residents using groundwater (wells).
Recent water quality updates for Northport
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Northport's water quality assessment. Grade: A- (88.2/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Revised Total Coliform Rule.
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
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 Northport's water supply.
Well within EPA limits.
Violation history
Northport's water system has 17 total violations on record, including 6 health-based violations. 4 remain unresolved. 2 violations were issued in the last 5 years.
Flood & environmental risk
Leelanau County has experienced 1 federally declared disaster since 2005. 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 Northport's water come from?
Northport's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 766 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Northport residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Northport'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
Flood & disaster history
Leelanau County has experienced 1 federally declared disaster since 2005. 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 Northport compares by contaminant
Explore where Northport ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Northport's water comes from
Northport'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 766 people through 2 water systems.
Water systems serving Northport
| System Name | PWSID | Population | Source |
|---|---|---|---|
| NORTHPORT, VILLAGE OF | MI0004810 | 526 | GW |
| NORTHPORT COTTAGE OWNERS | MI0004820 | 240 | SW |
How Northport compares
Full Michigan rankings →Northport's score of 88.2/100 is above the average of 70/100 among major Michigan cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Michigan rankings →About Northport, MI
Learn more about your water
Guides and resources related to Northport's water quality findings.
Explore water quality across Leelanau
Frequently asked questions
Is Northport, MI tap water safe to drink?
Northport's water quality earned a grade of A- (88.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #166 out of 520 cities tested in Michigan.
What contaminants are in Northport's water?
Lead was measured at 0.0 ppb (90th percentile). 17 violations are on record.
How is Northport'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 Northport?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Northport's water come from?
Northport's water is sourced from Groundwater. The city has 2 water systems serving approximately 766 residents.
What health violations has Northport's water system had?
Northport has 6 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.
Is Northport's groundwater at risk of contamination?
Northport 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 17 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 Northport's water compare to other cities?
Northport ranks #166 out of 520 cities in Michigan (better than 68% of state cities) and #3610 out of 15744 cities nationally (77th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.