Water Quality in Warsaw, OH: 1 Violation — Grade D
Grade D · Score 53/100 · 2 water systems · Updated 2026-05-03
Warsaw's water has significant violations. Water testing and filtration are recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Warsaw, OH — 1 compliance event documented in the federal drinking water record.
Water Quality by ZIP Code in Warsaw
Water quality varies across Warsaw's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 43844 | D | 53 | 1 | 0 | View report → |
Water Quality Overview
Warsaw, Ohio receives a water quality grade of D with an overall score of 53 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 2 water systems serving Warsaw have accumulated 1 EPA violations (all monitoring/reporting type). These violations are tracked across 1 ZIP codes serving approximately 807 people.
What Grade D Means
A grade of D indicates significant compliance issues. Warsaw'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 Warsaw is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
With 62% of homes built before 1986, Warsaw 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
Warsaw 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 Warsaw
Warsaw is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 807 people across 1 ZIP codes.
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 1 enforcement action against water systems serving Warsaw. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Warsaw
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
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
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in Warsaw Water Systems
The following contaminants have been detected or caused violations across Warsaw's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | N/A | 1 | 1 | No |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
EPA Enforcement History
The EPA and state regulators have taken 1 enforcement action against water systems serving Warsaw. Recent actions:
| Date | Action Type |
|---|---|
| 2022-01-07 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2022-01-07.
Warsaw vs. Nearby Ohio Cities
How Warsaw's water quality compares to similar cities in Ohio:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Warsaw | D | 1 | 2 | 807 |
| Flushing | C | 6 | 1 | 803 |
| Lafferty | D | 0 | 1 | 803 |
| Greenford | D | 0 | 1 | 801 |
Common Questions About Warsaw Water
These are the most common questions residents search for about water quality in Warsaw, Ohio:
Is Warsaw water hard or soft? Water hardness varies by source. Warsaw's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Warsaw tap water? Warsaw's water receives a grade of D (53/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Warsaw? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Warsaw vs. Ohio Average
Understanding how Warsaw 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 Warsaw.
ZIP Codes in Warsaw
Warsaw spans 1 ZIP code. The ZIP with the lowest water quality score is 43844. 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.