Water Quality in Frankfort Heights, IL: No Violations - Grade D
Grade D · Score 53/100 · 1 water system · Updated 2026-07-18
Frankfort Heights's water has significant violations. Water testing and filtration are recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-07-18
Across all 1 water system serving Frankfort Heights, IL, federal monitoring data documents zero EPA violations - no MCL exceedances, no monitoring lapses, no enforcement actions anywhere in the compliance history.
Water Quality by ZIP Code in Frankfort Heights
Frankfort Heights 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 | |
|---|---|---|---|---|---|
| 62840 | D | 53 | 0 | 0 | View report → |
Water Quality Overview
Frankfort Heights, Illinois 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).
No EPA violations have been recorded for the 1 water system serving Frankfort Heights. 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. Frankfort Heights'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 Frankfort Heights is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
Radon Risk
Frankfort Heights is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Frankfort Heights
Frankfort Heights is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 8,104 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 Frankfort Heights. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Frankfort Heights
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
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Frankfort Heights. Recent actions:
| Date | Action Type |
|---|---|
| 2025-12-22 | State Filed Judgment |
| 2025-11-24 | State Informal Action |
| 2025-11-21 | State Order Extension |
| 2025-10-14 | State Informal Action |
| 2025-10-14 | State Informal Enforcement |
| 2025-09-24 | State Informal Action |
| 2025-07-30 | State Informal Action |
| 2025-07-29 | State Informal Action |
| 2025-07-29 | State Informal Enforcement |
| 2025-07-22 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-12-22.
Frankfort Heights vs. Nearby Illinois Cities
How Frankfort Heights's water quality compares to similar cities in Illinois:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Frankfort Heights | D | 0 | 1 | 8,104 |
| Monticello | B | 0 | 2 | 8,110 |
| Hillsboro | B | 4 | 5 | 8,078 |
| Hillside | B | 0 | 4 | 8,133 |
Common Questions About Frankfort Heights Water
These are the most common questions residents search for about water quality in Frankfort Heights, Illinois:
Is Frankfort Heights water hard or soft? Water hardness varies by source. Frankfort Heights's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink Frankfort Heights tap water? Frankfort Heights'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 Frankfort Heights? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Frankfort Heights vs. Illinois Average
Understanding how Frankfort Heights 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 Frankfort Heights.
ZIP Codes in Frankfort Heights
Frankfort Heights 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.