Water Quality in New Knoxville, OH: 5 Violations — Grade D
Grade D · Score 41/100 · 3 water systems · Updated 2026-05-03
New Knoxville's water has significant violations. Water testing and filtration are recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Tracked under the EPA Safe Drinking Water program, New Knoxville, OH shows 5 water violations on file — findings that span multiple violation categories and are detailed system by system in the data grid further down the page.
Water Quality by ZIP Code in New Knoxville
Water quality varies across New Knoxville's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 45871 | D | 41 | 5 | 0 | View report → |
Water Quality Overview
New Knoxville, Ohio receives a water quality grade of D with an overall score of 41 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 3 water systems serving New Knoxville have accumulated 5 EPA violations (all monitoring/reporting type). These violations are tracked across 1 ZIP codes serving approximately 1,297 people.
What Grade D Means
A grade of D indicates significant compliance issues. New Knoxville'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
The average 90th percentile lead level across New Knoxville water systems is 0.0124 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 76% of homes built before 1986, New Knoxville 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
New Knoxville 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 New Knoxville
New Knoxville is served by 3 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 1,297 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 5 enforcement actions against water systems serving New Knoxville. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in New Knoxville
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 New Knoxville Water Systems
The following contaminants have been detected or caused violations across New Knoxville's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | N/A | 5 | 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 5 enforcement actions against water systems serving New Knoxville. Recent actions:
| Date | Action Type |
|---|---|
| 2025-08-18 | State Informal Action |
| 2024-08-15 | State Informal Action |
| 2023-08-16 | State Informal Action |
| 2022-08-17 | State Informal Action |
| 2021-08-19 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-08-18.
New Knoxville vs. Nearby Ohio Cities
How New Knoxville's water quality compares to similar cities in Ohio:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| New Knoxville | D | 5 | 3 | 1,297 |
| Malvern | C | 7 | 2 | 1,300 |
| Hannibal | C | 0 | 1 | 1,301 |
| Sardis | B | 2 | 1 | 1,301 |
Common Questions About New Knoxville Water
These are the most common questions residents search for about water quality in New Knoxville, Ohio:
Is New Knoxville water hard or soft? Water hardness varies by source. New Knoxville's 3 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink New Knoxville tap water? New Knoxville's water receives a grade of D (41/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for New Knoxville? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
New Knoxville vs. Ohio Average
Understanding how New Knoxville 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 New Knoxville.
ZIP Codes in New Knoxville
New Knoxville spans 1 ZIP code. The ZIP with the lowest water quality score is 45871. 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.