A
91

Excellent Water Quality

Mc Dermott, OH 45652

Scioto County · Population served: 24,879 · Data updated March 2026

Water Systems Serving This Area

🌊
NORTHWEST REGIONAL WATER DISTRICT
Groundwater · Pop. 11,059
PWSID: OH7300003
🌊
SCIOTO CO. REGIONAL WATER DISTRICT #1
Groundwater · Pop. 13,820
PWSID: OH7300212

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
2.8
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

2 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFPeA3.5 pptNo standardUnregulated
PFPeA3.2 pptNo standardUnregulated

Violation History (Last 5 Years)

1Total (5yr)
0Health-Based
0Major

Water Quality Summary

Understanding Your Water in Mc Dermott

Tap water quality in Mc Dermott, Ohio (45652) receives an overall grade of A (Excellent) with a score of 91 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 10 points above the Ohio state average of 81. Compared to the national average (75), this area performs significantly better. The area is served by 2 water systems providing water to approximately 24,879 people, using groundwater sources. Testing has found elevated levels of Lead that warrant attention. PFAS testing detected 2 compounds, all currently below EPA limits.

Your Score 91/100 A
vs State 10 pts above Ohio avg (81)
vs National 16 pts above national avg (75)

What a Grade A Means

A score of 91/100 means the water supply in Mc Dermott, OH meets or exceeds all EPA standards with minimal issues. Contaminant levels are well within safe limits, and the water system has maintained a strong compliance record. While no water supply is guaranteed perfect at the tap due to household plumbing, this is among the best-scoring areas in the country.

Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

⚠️

Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Mc Dermott, Ohio receives a grade of A (Excellent) with a score of 91/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 45652 is served by 2 water systems using groundwater sources, providing water to approximately 24,879 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.

Lead was detected at 2.8 ppb in Mc Dermott, Ohio. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

2 PFAS compounds were detected in water serving Mc Dermott, Ohio, but all are currently below EPA limits. While levels are within regulatory standards, some health organizations recommend minimizing any PFAS exposure. Activated carbon or reverse osmosis filters can reduce PFAS levels.

Water systems serving Mc Dermott, Ohio have received 1 violation in the last 5 years. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead, PFAS), residents in Mc Dermott, Ohio should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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