Is Mconnelsville, OH Tap Water Safe to Drink?
Graded A, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
90.1/100
waterverge.com Mconnelsville, OH — Water Quality Report
Mconnelsville's drinking water received a grade of A (90.1 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,780 residents using purchased ground water.
Lead levels were measured at 1.2 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 67 violations on record, including 4 health-based violations. 6 remain unresolved.
What to know about Mconnelsville's water
Mconnelsville ranks #31 out of 511 cities in Ohio for water quality, placing it one of the best in the state.
Mconnelsville purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.
As a small community water system, Mconnelsville may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Mconnelsville, OH water safe to drink?
Mconnelsville's drinking water has significant quality concerns based on EPA testing data. With a grade of A (90.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,780 residents using groundwater (wells).
Recent water quality updates for Mconnelsville
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Mconnelsville's water quality assessment. Grade: A (90.1/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Consumer Confidence Rule.
Contaminants: Consumer Confidence Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Mconnelsville's water supply.
Well within EPA limits.
Violation history
Mconnelsville's water system has 67 total violations on record, including 4 health-based violations. 6 remain unresolved.
Where does Mconnelsville's water come from?
Mconnelsville's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,780 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Mconnelsville residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Mconnelsville'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
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. | 1.2 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Mconnelsville compares by contaminant
Explore where Mconnelsville ranks among all Ohio cities for specific contaminants.
Water source & infrastructure
Where Mconnelsville's water comes from
Mconnelsville purchases its water supply from a regional wholesale provider rather than treating raw water directly.
Water quality depends on both the wholesaler's treatment standards and the condition of Mconnelsville's local distribution pipes and storage facilities.
Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.
The system is operated by local government ownership and serves approximately 1,780 people through 1 water system.
Water systems serving Mconnelsville
| System Name | PWSID | Population | Source |
|---|---|---|---|
| MCCONNELSVILLE VILLAGE | OH5800512 | 1,780 | GWP |
How Mconnelsville compares
Full Ohio rankings →Mconnelsville's score of 90.1/100 is above the average of 58/100 among major Ohio cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Ohio rankings →Learn more about your water
Guides and resources related to Mconnelsville's water quality findings.
Explore water quality across Morgan
Frequently asked questions
Is Mconnelsville, OH tap water safe to drink?
Mconnelsville's water quality earned a grade of A (90.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #31 out of 511 cities tested in Ohio.
What contaminants are in Mconnelsville's water?
Lead was measured at 1.2 ppb (90th percentile). 67 violations are on record.
How is Mconnelsville'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 Mconnelsville?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Mconnelsville's water come from?
Mconnelsville's water is sourced from Purchased ground water. The city has 1 water system serving approximately 1,780 residents.
What health violations has Mconnelsville's water system had?
Mconnelsville has 4 health-based violations on record. The most recent violation was recorded in November 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.
Is Mconnelsville's groundwater at risk of contamination?
Mconnelsville 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 67 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 Mconnelsville's water compare to other cities?
Mconnelsville ranks #31 out of 511 cities in Ohio (better than 94% of state cities) and #2412 out of 15744 cities nationally (85th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Mconnelsville's small water system affect quality?
Mconnelsville's system serves approximately 1,780 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 67 violations on record.