Is Millersport, OH 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 ↓
91.7/100
waterverge.com Millersport, OH — Water Quality Report
Millersport's drinking water received a grade of A (91.7 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 3,200 residents using groundwater.
Lead levels were measured at 0.6 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 32 violations on record, including 0 health-based violations. 2 remain unresolved.
What to know about Millersport's water
Millersport ranks #20 out of 511 cities in Ohio for water quality, placing it one of the best in the state.
Millersport 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, Millersport may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Millersport, OH water safe to drink?
Millersport's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (91.7/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 3,200 residents using groundwater (wells).
Recent water quality updates for Millersport
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Millersport's water quality assessment. Grade: A (91.7/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Consumer Confidence Rule.
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
Federal disaster declaration (FEMA DR-3250). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-243). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Millersport's water supply.
Well within EPA limits.
Violation history
Millersport's water system has 32 total violations on record, including 0 health-based violations. 2 remain unresolved. 1 violation was issued in the last 5 years.
Flood & environmental risk
Fairfield County has experienced 2 federally declared disasters since 1968. 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 South Fork Licking River At Kirkersville, South Fork Licking River Near Buckeye Lake, South Fork Licking River Near Hebron, South Fork Licking River At Heath, Buckeye Lake Near Watkins Island.
Where does Millersport's water come from?
Millersport's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 3,200 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include South Fork Licking River At Kirkersville (river), South Fork Licking River Near Buckeye Lake (river), South Fork Licking River Near Hebron (river), South Fork Licking River At Heath (river), Buckeye Lake Near Watkins Island (lake).
What Millersport 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 Millersport
Industrial polluters nearby
Reported releases to surface water by facilities near Millersport, ranked by pounds discharged annually.
Total reported releases to surface water: 61 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
KAISER ALUMINUM FABRICATED PRODUCTS LLC. HEATH, OH43056 | Zinc compounds | 59 | 9.2 mi |
OHIO PAPERBOARD BALTIMORE, OH43105 | Lead | 1 | 4.7 mi |
AMPACET CORP HEATH, OH43056 | Zinc compounds | 1 | 8.1 mi |
MARATHON PIPE LINE - HEATH TERMINAL HEATH, OH43056 | Polycyclic aromatic compounds | 0 | 9.6 mi |
COVESTRO NEWARK COMPOUNDING FACILITY HEBRON, OH43025 | — | — | 6.3 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Fairfield County has experienced 2 federally declared disasters since 1968. 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. | 0.6 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Millersport compares by contaminant
Explore where Millersport ranks among all Ohio cities for specific contaminants.
Water source & infrastructure
Where Millersport's water comes from
Millersport'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 3,200 people through 1 water system.
Water bodies near Millersport
Millersport is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Millersport
| System Name | PWSID | Population | Source |
|---|---|---|---|
| MILLERSPORT VILLAGE PWS | OH2301212 | 3,200 | GW |
How Millersport compares
Full Ohio rankings →Millersport's score of 91.7/100 is above the average of 58/100 among major Ohio cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Ohio rankings →About Millersport, OH
Wikipedia →Millersport is a village in Fairfield County, Ohio, United States. The population was 978 at the 2020 census. Millersport is most notable as the home of the Sweet Corn Festival, which is held in Millersport annually during the first week of September.
Learn more about your water
Guides and resources related to Millersport's water quality findings.
Explore water quality across Fairfield
Frequently asked questions
Is Millersport, OH tap water safe to drink?
Millersport's water quality earned a grade of A (91.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #20 out of 511 cities tested in Ohio.
What contaminants are in Millersport's water?
Lead was measured at 0.6 ppb (90th percentile). 32 violations are on record.
How is Millersport'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 Millersport?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Millersport's water come from?
Millersport's water is sourced from Groundwater. The city has 1 water system serving approximately 3,200 residents.
Is Millersport's groundwater at risk of contamination?
Millersport 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 32 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 Millersport's water compare to other cities?
Millersport ranks #20 out of 511 cities in Ohio (better than 96% of state cities) and #1528 out of 15744 cities nationally (90th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Millersport's small water system affect quality?
Millersport's system serves approximately 3,200 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 32 violations on record.