Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-07-18

Within the water supply network of Saint Clairsville, OH, no EPA violations appear anywhere in the federal compliance record - 6 public water systems are tracked here, and not one has been cited for an MCL exceedance, a monitoring failure, or any other reportable compliance event.

Water Quality by ZIP Code in Saint Clairsville

Saint Clairsville is covered by a single ZIP code, so one water-quality profile applies citywide. See the contaminant data below.

ZIP Code	Grade	Score	Violations	Health
43950	D	45	0	0	View report →

Water Quality Overview

Saint Clairsville, Ohio receives a water quality grade of D with an overall score of 45 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).

No EPA violations have been recorded for the 6 water systems serving Saint Clairsville. This is a positive indicator, though it does not guarantee the absence of all contaminants - some substances (like PFAS) are not yet fully regulated.

What Grade D Means

A grade of D indicates significant compliance issues. Saint Clairsville's water systems have accumulated violations that suggest ongoing water quality challenges. Residents should check their specific ZIP code report and consider water testing or filtration.

Lead Levels

Lead testing data for Saint Clairsville is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.

With 68% of homes built before 1986, Saint Clairsville has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.

Radon Risk

Saint Clairsville is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.

Water Systems Serving Saint Clairsville

Saint Clairsville is served by 6 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 16,422 people across 1 ZIP code.

Each water system is identified by a Public Water System ID (PWSID) and is required to:

• Test for over 90 regulated contaminants on a regular schedule
• Report results to the EPA and state regulators
• Issue an annual Consumer Confidence Report (CCR) to all customers
• Take corrective action when violations occur

The EPA has taken 10 enforcement actions against water systems serving Saint Clairsville. Enforcement actions range from informal compliance assistance to formal orders and penalties.

How to Check Your Water in Saint Clairsville

1. Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores

2. Request your CCR - your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants

3. Get a home test - certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel

4. Consider filtration - NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics

5. Check for advisories - monitor your local utility website and local news for boil water advisories or system alerts

EPA Enforcement History

The EPA and state regulators have taken 10 enforcement actions against water systems serving Saint Clairsville. Recent actions:

Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-12-30.

Saint Clairsville vs. Nearby Ohio Cities

How Saint Clairsville's water quality compares to similar cities in Ohio:

Common Questions About Saint Clairsville Water

These are the most common questions residents search for about water quality in Saint Clairsville, Ohio:

Is Saint Clairsville water hard or soft? Water hardness varies by source. Saint Clairsville's 6 water systems use multiple sources. Check your ZIP code report for specific hardness data.

Can I drink Saint Clairsville tap water? Saint Clairsville's water receives a grade of D (45/100). No health-based violations have been recorded, but home testing is always recommended.

What is the best water filter for Saint Clairsville? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.

Saint Clairsville vs. Ohio Average

Understanding how Saint Clairsville compares to the broader Ohio average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.

To see how individual neighborhoods compare, check the ZIP code reports below - water quality can vary significantly even within Saint Clairsville.

ZIP Codes in Saint Clairsville

Saint Clairsville spans 1 ZIP code. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.

Data Sources

• Water quality: EPA Safe Drinking Water Information System (SDWIS)
• Lead/copper: EPA Lead and Copper Rule sampling data
• Radon: EPA Map of Radon Zones
• Enforcement: EPA ECHO database
• Filter recommendations: NSF/ANSI certified products

Updated daily.