Water Quality in Aviston, IL: 36 Violations — Grade F
Grade F · Score 35/100 · 5 water systems · Updated 2026-05-03
Aviston's water has serious compliance issues. Independent testing and filtration are strongly recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Water systems in Aviston, IL have accumulated 36 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 Aviston
Water quality varies across Aviston's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 62216 | F | 35 | 36 | 3 | View report → |
Water Quality Overview
Aviston, Illinois receives a water quality grade of F with an overall score of 35 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 5 water systems serving Aviston have accumulated 36 EPA violations, including 3 health-based violations. These violations are tracked across 1 ZIP codes serving approximately 6,511 people.
What Grade F Means
A grade of F indicates serious compliance issues. Aviston's water systems have substantial violations. Residents should strongly consider independent water testing and appropriate filtration.
Lead Levels
The average 90th percentile lead level across Aviston water systems is 0.0176 mg/L — this exceeds the EPA action level of 0.015 mg/L. 1 ZIP code exceed the EPA lead action level.
With 46% of homes built before 1986, Aviston 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
Aviston is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Aviston
Aviston is served by 5 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 6,511 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 Aviston. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Aviston
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 Aviston Water Systems
The following contaminants have been detected or caused violations across Aviston's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | N/A | 11 | 1 | No |
| Surface Water Treatment Rule | Treatment Technique | N/A | 10 | 1 | No |
| Stage 2 DBP Rule | Treatment Technique | N/A | 8 | 1 | Yes |
| Lead and Copper Rule | Treatment Technique | N/A | 4 | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 0.06 mg/L | 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 5 enforcement actions against water systems serving Aviston. Recent actions:
| Date | Action Type |
|---|---|
| 2025-09-24 | State Informal Action |
| 2025-08-26 | State Informal Action |
| 2025-08-12 | State Order Extension |
| 2025-08-05 | State Informal Action |
| 2025-07-30 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-09-24.
Aviston vs. Nearby Illinois Cities
How Aviston's water quality compares to similar cities in Illinois:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Aviston | F | 36 | 5 | 6,511 |
| Winchester | C | 5 | 5 | 6,487 |
| Carrollton | C | 5 | 2 | 6,466 |
| Kaneville | D | 0 | 1 | 6,559 |
Common Questions About Aviston Water
These are the most common questions residents search for about water quality in Aviston, Illinois:
Is Aviston water hard or soft? Water hardness varies by source. Aviston's 5 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Aviston tap water? Aviston's water receives a grade of F (35/100). There are 3 health-based violations — consider filtration.
What is the best water filter for Aviston? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Aviston vs. Illinois Average
Understanding how Aviston compares to the broader Illinois 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 Aviston.
ZIP Codes in Aviston
Aviston spans 1 ZIP code. The ZIP with the lowest water quality score is 62216. 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.