Water Quality in Ironton, MO: 20 Violations — Grade D
Grade D · Score 48/100 · 3 water systems · Updated 2026-05-03
Ironton's water has significant violations. Water testing and filtration are recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Water systems in Ironton, MO have accumulated 20 EPA violations across the full compliance record — a dataset that captures reportable health-based exceedances, monitoring lapses, and enforcement actions filed with the federal Safe Drinking Water Information System.
Water Quality by ZIP Code in Ironton
Water quality varies across Ironton's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 63650 | D | 48 | 20 | 8 | View report → |
Violation Trend
EPA violations recorded for water systems serving Ironton.
Water Quality Overview
Ironton, Missouri receives a water quality grade of D with an overall score of 48 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 3 water systems serving Ironton have accumulated 20 EPA violations, including 8 health-based violations. These violations are tracked across 1 ZIP codes serving approximately 1,773 people.
What Grade D Means
A grade of D indicates significant compliance issues. Ironton'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 Ironton water systems is 0.0010 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 64% of homes built before 1986, Ironton 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
Ironton 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 Ironton
Ironton is served by 3 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 1,773 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 10 enforcement actions against water systems serving Ironton. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Ironton
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 Ironton Water Systems
The following contaminants have been detected or caused violations across Ironton's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 0.06 mg/L | 6 | 1 | Yes |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 0.08 mg/L | 3 | 1 | Yes |
| Stage 2 DBP Rule | Treatment Technique | N/A | 2 | 1 | No |
| Chlorine residual | Disinfectant | 4 mg/L | 1 | 1 | Yes |
| Arsenic | Inorganic | 0.01 mg/L | 1 | 1 | No |
| Stage 1 DBP 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.
Violation Trend Over Time
Year-by-year EPA violations recorded for water systems serving Ironton:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2022 | 3 | 3 |
| 2023 | 1 | 1 |
| 2024 | 4 | 4 |
| 2025 | 1 | 1 |
Violations have decreased from 3 in 2022 to 1 in 2025, indicating improving compliance.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Ironton. Recent actions:
| Date | Action Type |
|---|---|
| 2025-04-01 | State Informal Action |
| 2025-03-14 | State Informal Action |
| 2025-03-14 | State Informal Enforcement |
| 2025-02-14 | State Informal Action |
| 2025-01-31 | State Order Extension |
| 2025-01-08 | State Informal Action |
| 2025-01-08 | State Informal Enforcement |
| 2024-12-19 | State Informal Action |
| 2024-12-19 | State Informal Enforcement |
| 2024-12-17 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-04-01.
Ironton vs. Nearby Missouri Cities
How Ironton's water quality compares to similar cities in Missouri:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Ironton | D | 20 | 3 | 1,773 |
| Shelbina | B | 0 | 1 | 1,771 |
| Milford | D | 0 | 1 | 1,800 |
| Milo | B | 0 | 1 | 1,800 |
Common Questions About Ironton Water
These are the most common questions residents search for about water quality in Ironton, Missouri:
Is Ironton water hard or soft? Water hardness varies by source. Ironton's 3 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Ironton tap water? Ironton's water receives a grade of D (48/100). There are 8 health-based violations — consider filtration.
What is the best water filter for Ironton? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Ironton vs. Missouri Average
Understanding how Ironton compares to the broader Missouri 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 Ironton.
ZIP Codes in Ironton
Ironton spans 1 ZIP code. The ZIP with the lowest water quality score is 63650. 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.