Is Bunker Hill, IN Tap Water Safe to Drink?
Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓
93.3/100
waterverge.com Bunker Hill, IN — Water Quality Report
Bunker Hill's drinking water received a grade of A (93.3 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 900 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 15 violations on record, including 2 health-based violations. 1 remains unresolved.
What to know about Bunker Hill's water
Bunker Hill ranks #16 out of 414 cities in Indiana for water quality, placing it one of the best in the state.
Bunker Hill 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, Bunker Hill may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Bunker Hill, IN water safe to drink?
Bunker Hill's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (93.3/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 900 residents using groundwater (wells).
Recent water quality updates for Bunker Hill
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Bunker Hill's water quality assessment. Grade: A (93.3/100).
Contaminants: Total Haloacetic Acids (HAA5), TTHM.
Federal disaster declaration (FEMA DR-3238). Hurricane event — may have impacted local water infrastructure.
Contaminants: Coliform (TCR).
Contaminants: Coliform (TCR).
Federal disaster declaration (FEMA DR-891). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Bunker Hill's water supply.
Well within EPA limits.
Violation history
Bunker Hill's water system has 15 total violations on record, including 2 health-based violations. 1 remain unresolved.
Flood & environmental risk
Miami County has experienced 2 federally declared disasters since 1991. 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 Mississinewa Lake, Mississinewa River, Wabash River, Pipe Creek.
Where does Bunker Hill's water come from?
Bunker Hill'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 Mississinewa Lake (lake), Mississinewa River (river), Wabash River (river), Pipe Creek (river).
What Bunker Hill 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 Bunker Hill
Industrial polluters nearby
Reported releases to surface water by facilities near Bunker Hill, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
FCA US INDIANA TRANSMISSION PLANT KOKOMO, IN46901 | — | — | 9.2 mi |
KOKOMO ENGINE PLANT KOKOMO, IN46901 | — | — | 8.7 mi |
US DOD USAF GRISSOM ARB GRISSOM ARB, IN46971 | — | — | 2.6 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Miami County has experienced 2 federally declared disasters since 1991. 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 trend (90th percentile)
See how Bunker Hill compares by contaminant
Explore where Bunker Hill ranks among all Indiana cities for specific contaminants.
Water source & infrastructure
Where Bunker Hill's water comes from
Bunker Hill'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 900 people through 1 water system.
Water bodies near Bunker Hill
Bunker Hill is located near 4 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Bunker Hill
| System Name | PWSID | Population | Source |
|---|---|---|---|
| BUNKER HILL WATER WORKS | IN5252003 | 900 | GW |
How Bunker Hill compares
Full Indiana rankings →Bunker Hill's score of 93.3/100 is above the average of 70/100 among major Indiana cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Indiana rankings →About Bunker Hill, IN
Wikipedia →Bunker Hill is a town in Pipe Creek Township, Miami County, in the U.S. state of Indiana. The population was 814 at the 2020 census, down from 888 in 2010.
Learn more about your water
Guides and resources related to Bunker Hill's water quality findings.
Explore water quality across Miami
Frequently asked questions
Is Bunker Hill, IN tap water safe to drink?
Bunker Hill's water quality earned a grade of A (93.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #16 out of 414 cities tested in Indiana.
What contaminants are in Bunker Hill's water?
Lead was measured at 1.3 ppb (90th percentile). 15 violations are on record.
How is Bunker Hill'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 Bunker Hill?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Bunker Hill's water come from?
Bunker Hill's water is sourced from Groundwater. The city has 1 water system serving approximately 900 residents.
What health violations has Bunker Hill's water system had?
Bunker Hill has 2 health-based violations on record. The most recent violation was recorded in January 2016. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.
Is Bunker Hill's groundwater at risk of contamination?
Bunker Hill 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 15 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 Bunker Hill's water compare to other cities?
Bunker Hill ranks #16 out of 414 cities in Indiana (better than 96% of state cities) and #899 out of 15744 cities nationally (94th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Bunker Hill's small water system affect quality?
Bunker Hill'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 15 violations on record.