Is Mount Gillead, OH Tap Water Safe to Drink?
Graded A — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
90.7/100
Mount Gillead, OH — Water Quality Report
Mount Gillead's drinking water received a grade of A (90.7 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,710 residents using groundwater.
Lead levels were measured at 3.9 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 3 violations on record, including 2 health-based violations. All violations have been resolved.
What to know about Mount Gillead's water
Mount Gillead ranks #25 out of 511 cities in Ohio for water quality, placing it one of the best in the state.
Mount Gillead 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, Mount Gillead may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Mount Gillead, OH water safe to drink?
Based on EPA testing data, Mount Gillead's tap water is generally safe to drink. The water system earned a grade of A (90.7/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 1,710 residents using groundwater (wells).
Recent water quality updates for Mount Gillead
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Mount Gillead's water quality assessment. Grade: A (90.7/100).
1 health-based. Contaminants: Coliform (TCR).
Contaminants: Coliform (TCR).
1 health-based. Contaminants: Coliform (TCR).
Key contaminant findings
Based on the most recent EPA sampling data for Mount Gillead's water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Mount Gillead's water system has 3 total violations on record, including 2 health-based violations. All violations have been resolved.
Where does Mount Gillead's water come from?
Mount Gillead's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,710 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Mount Gillead 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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Recommended water filters
Based on contaminants detected in Mount Gillead'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. | 3.9 | 15 | ppb | Inorganic | Safe |
| 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. | 230.00 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level (90th percentile)
Latest reading: 230.000 mg/L (2004)
EPA action level: 1.3 mg/L
See how Mount Gillead compares by contaminant
Explore where Mount Gillead ranks among all Ohio cities for specific contaminants.
Water source & infrastructure
Where Mount Gillead's water comes from
Mount Gillead'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 private ownership and serves approximately 1,710 people through 1 water system.
Water systems serving Mount Gillead
| System Name | PWSID | Population | Source |
|---|---|---|---|
| CANDLEWOOD LAKE ASSOCIATION INC | OH5901012 | 1,710 | GW |
How Mount Gillead compares
Full Ohio rankings →Mount Gillead's score of 90.7/100 is above the average of 58/100 among major Ohio cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Ohio rankings →Learn more about your water
Guides and resources related to Mount Gillead's water quality findings.
Explore water quality across Morrow
Frequently asked questions
Is Mount Gillead, OH tap water safe to drink?
Mount Gillead's water quality earned a grade of A (90.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #25 out of 511 cities tested in Ohio.
What contaminants are in Mount Gillead's water?
Lead was measured at 3.9 ppb (90th percentile). 3 violations are on record.
How is Mount Gillead'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 Mount Gillead?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Mount Gillead's water come from?
Mount Gillead's water is sourced from Groundwater. The city has 1 water system serving approximately 1,710 residents.
What health violations has Mount Gillead's water system had?
Mount Gillead has 2 health-based violations on record. The most recent violation was recorded in July 2000. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. All health violations have been resolved.
Is Mount Gillead's groundwater at risk of contamination?
Mount Gillead 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 3 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 Mount Gillead's water compare to other cities?
Mount Gillead ranks #25 out of 511 cities in Ohio (better than 95% of state cities) and #2085 out of 15744 cities nationally (87th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Mount Gillead's small water system affect quality?
Mount Gillead's system serves approximately 1,710 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 3 violations on record.