Water Quality in Saint Augustine, IL: No Violations — Grade D
Grade D · Score 40/100 · 1 water system · Updated 2026-05-03
Saint Augustine's water has significant violations. Water testing and filtration are recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Saint Augustine, IL — clean EPA record, 1 water system, zero violations.
Water Quality by ZIP Code in Saint Augustine
Water quality varies across Saint Augustine's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 61474 | D | 40 | 0 | 0 | View report → |
Water Quality Overview
Saint Augustine, Illinois receives a water quality grade of D with an overall score of 40 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 Saint Augustine. 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. Saint Augustine'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 Saint Augustine is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
With 96% of homes built before 1986, Saint Augustine 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
Saint Augustine 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 Saint Augustine
Saint Augustine is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 3,275 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
How to Check Your Water in Saint Augustine
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
Saint Augustine vs. Nearby Illinois Cities
How Saint Augustine's water quality compares to similar cities in Illinois:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Saint Augustine | D | 0 | 1 | 3,275 |
| Abingdon | C | 2 | 1 | 3,275 |
| Berwick | D | 0 | 1 | 3,275 |
| Casey | C | 4 | 1 | 3,274 |
Common Questions About Saint Augustine Water
These are the most common questions residents search for about water quality in Saint Augustine, Illinois:
Is Saint Augustine water hard or soft? Water hardness varies by source. Saint Augustine's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink Saint Augustine tap water? Saint Augustine's water receives a grade of D (40/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Saint Augustine? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Saint Augustine vs. Illinois Average
Understanding how Saint Augustine 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 Saint Augustine.
ZIP Codes in Saint Augustine
Saint Augustine 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.