Is Grawn, MI Tap Water Safe to Drink?
Graded A-, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
86.8/100
waterverge.com Grawn, MI — Water Quality Report
Grawn's drinking water received a grade of A- (86.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,788 residents using groundwater.
Lead levels were measured at 3.0 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 2 violations on record, including 0 health-based violations. 2 remain unresolved.
What to know about Grawn's water
Grawn ranks #197 out of 520 cities in Michigan for water quality, placing it mid-range in the state.
Grawn 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, Grawn may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Grawn, MI water safe to drink?
Grawn's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (86.8/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 2,788 residents using groundwater (wells).
Recent water quality updates for Grawn
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Grawn's water quality assessment. Grade: A- (86.8/100).
Federal disaster declaration (FEMA DR-3225). Hurricane event — may have impacted local water infrastructure.
Contaminants: Consumer Confidence Rule.
Contaminants: Consumer Confidence Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Grawn's water supply.
Well within EPA limits.
Violation history
Grawn's water system has 2 total violations on record, including 0 health-based violations. 2 remain unresolved.
Flood & environmental risk
Grand Traverse 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. Local water sources include Boardman River.
Where does Grawn's water come from?
Grawn's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,788 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Boardman River (river).
What Grawn 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.
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 Grawn
Industrial polluters nearby
Reported releases to surface water by facilities near Grawn, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
CONE DRIVE OPERATIONS INC. TRAVERSE CITY, MI49684 | — | — | 7.3 mi |
CENTURY SUN METAL TREATING TRAVERSE CITY, MI49686 | — | — | 8.0 mi |
CENTURY SPECIALTIES TRAVERSE CITY, MI49686 | — | — | 8.0 mi |
GRAND TRAVERSE STAMPING TRAVERSE CITY, MI49686 | — | — | 6.6 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Grawn
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.
- GRAND TRAVERSE OVERALL SUPPLY CO9.5 mi
Source: EPA Superfund National Priorities List
Flood & disaster history
Grand Traverse 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. | 3.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Grawn compares by contaminant
Explore where Grawn ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Grawn's water comes from
Grawn'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 2,788 people through 1 water system.
Water bodies near Grawn
Grawn is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Grawn
| System Name | PWSID | Population | Source |
|---|---|---|---|
| BLAIR TOWNSHIP | MI0000743 | 2,788 | GW |
How Grawn compares
Full Michigan rankings →Grawn's score of 86.8/100 is above the average of 70/100 among major Michigan cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Michigan rankings →About Grawn, MI
Wikipedia →Grawn is an unincorporated community and census-designated place (CDP) in Grand Traverse County in the U.S. state of Michigan. At the 2020 census, the community's population was 816. The community is located within Blair Township on the border with Green Lake Township.
Learn more about your water
Guides and resources related to Grawn's water quality findings.
Explore water quality across Grand Traverse
Frequently asked questions
Is Grawn, MI tap water safe to drink?
Grawn's water quality earned a grade of A- (86.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #197 out of 520 cities tested in Michigan.
What contaminants are in Grawn's water?
Lead was measured at 3.0 ppb (90th percentile). 2 violations are on record.
How is Grawn'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 Grawn?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Grawn's water come from?
Grawn's water is sourced from Groundwater. The city has 1 water system serving approximately 2,788 residents.
Is Grawn's groundwater at risk of contamination?
Grawn 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 2 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 Grawn's water compare to other cities?
Grawn ranks #197 out of 520 cities in Michigan (better than 62% of state cities) and #4452 out of 15744 cities nationally (72th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Grawn's small water system affect quality?
Grawn's system serves approximately 2,788 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 2 violations on record.