Is Put-In-Bay, OH 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 ↓
71.1/100
Put-In-Bay, OH — Water Quality Report
Put-In-Bay's drinking water received a grade of B- (71.1 out of 100), indicating fair water quality. The city's 1 water system serves approximately 700 residents using surface water.
Lead levels were measured at 10.9 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 68 violations on record, including 28 health-based violations. 10 remain unresolved.
What to know about Put-In-Bay's water
Put-In-Bay ranks #409 out of 511 cities in Ohio for water quality, placing it among the lowest-rated in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.
As a small community water system, Put-In-Bay may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Put-In-Bay, OH water safe to drink?
Put-In-Bay's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (71.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 700 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Put-In-Bay
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Put-In-Bay's water quality assessment. Grade: B- (71.1/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Revised Total Coliform Rule.
1 health-based. Contaminants: Interim Enhanced Surface Water Treatment Rule.
Federal disaster declaration (FEMA DR-3250). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-436). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Put-In-Bay's water supply.
Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Put-In-Bay's water system has 68 total violations on record, including 28 health-based violations. 10 remain unresolved. 3 violations were issued in the last 5 years.
Flood & environmental risk
Ottawa County has experienced 4 federally declared disasters since 1972. 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 Put-In-Bay's water come from?
Put-In-Bay's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 700 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.
What Put-In-Bay residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Put-In-Bay'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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Put-In-Bay'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
Ottawa County has experienced 4 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Put-In-Bay'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. | 10.9 | 15 | ppb | Inorganic | Near Limit |
| 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. | 3.07 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level (90th percentile)
Latest reading: 3.100 mg/L (1993)
EPA action level: 1.3 mg/L
See how Put-In-Bay compares by contaminant
Explore where Put-In-Bay ranks among all Ohio cities for specific contaminants.
Water source & infrastructure
Where Put-In-Bay's water comes from
Put-In-Bay's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by local government ownership and serves approximately 700 people through 1 water system.
Water systems serving Put-In-Bay
| System Name | PWSID | Population | Source |
|---|---|---|---|
| PUT-IN-BAY VILLAGE | OH6203311 | 700 | SW |
How Put-In-Bay compares
Full Ohio rankings →Put-In-Bay's score of 71.1/100 is above the average of 58/100 among major Ohio cities. It outscores 6 of 10 nearby cities.
Nearby cities
View Ohio rankings →About Put-In-Bay, OH
Learn more about your water
Guides and resources related to Put-In-Bay's water quality findings.
Explore water quality across Ottawa
Frequently asked questions
Is Put-In-Bay, OH tap water safe to drink?
Put-In-Bay's water quality earned a grade of B- (71.1/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #409 out of 511 cities tested in Ohio.
What contaminants are in Put-In-Bay's water?
Lead was measured at 10.9 ppb (90th percentile). 68 violations are on record.
How is Put-In-Bay'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 Put-In-Bay?
While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.
Where does Put-In-Bay's water come from?
Put-In-Bay's water is sourced from Surface water. The city has 1 water system serving approximately 700 residents.
What health violations has Put-In-Bay's water system had?
Put-In-Bay has 28 health-based violations on record. The most recent violation was recorded in December 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.
How does Put-In-Bay's water compare to other cities?
Put-In-Bay ranks #409 out of 511 cities in Ohio (better than 20% of state cities) and #10623 out of 15744 cities nationally (33th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Put-In-Bay's small water system affect quality?
Put-In-Bay's system serves approximately 700 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 68 violations on record.