ZipCheckup grade for 62281: B.
This ZIP has a few items worth a quick check.
Your top priority: use a filter certified to reduce PFAS; check which ones. Check your ZIP → EPA PFAS info
Saint Jacob, IL (62281): PFAS Detected in Mapped Water Systems - 74/100
EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Troy)
Health-based violation records by water system:
- St Jacob (1)
EPA records for the water systems mapped to 62281 in Saint Jacob, IL contain 10 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 1 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 1 health-based violation and 9 non-health-based (since 2021).
- Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
- PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
- Radon EPA Zone 2 - county-level radon potential, not a home measurement.
- Flood 1 cumulative NFIP claim record. Claim evidence is historical, not current map coverage.
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A critical-tier finding in records for 62281 in Saint Jacob is joined by 1 high-priority alert from the same dataset.
Score Breakdown
Overall Home Safety Score: 74/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) CRITICAL
Your Water System
ZIP code 62281 in Saint Jacob, Illinois is mapped to the water system Troy (EPA ID: IL1191000). This system provides water to approximately 16,962 people from groundwater sources.
There are 3 community water systems serving this area.
Lead & Copper in Your Water
The EPA requires water systems to monitor lead and copper levels under the Lead and Copper Rule.
| Metal | Measured Level | EPA Action Level | Status | Sample Date or Period |
|---|---|---|---|---|
| Copper | Action-level exceedance on record | 1.3 mg/L | Exceeds action level | Not present in ZipCheckup accepted source data |
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Troy | IL1191000 | 16,962 | Groundwater |
| St Jacob | IL1190950 | 1,835 | Surface water |
| Marine | IL1190700 | 1,037 | Surface water |
Other Water Quality Reports in Illinois
- 60001 (Alden)
- 60002 (Antioch) - 30 violations recorded for mapped water systems
- 60004 (Arlington Heights) - 36 violations recorded for mapped water systems
- 60005 (Arlington Heights) - 47 violations recorded for mapped water systems
- 60006 (Arlington Heights)
- 60007 (Elk Grove Village) - 37 violations recorded for mapped water systems
- 60008 (Rolling Meadows) - 44 violations recorded for mapped water systems
- 60009 (Elk Grove Village)
- 60010 (Barrington) - 54 violations recorded for mapped water systems
- 60011 (Barrington)
- 60012 (Crystal Lake) - 47 violations recorded for mapped water systems
- 60013 (Cary) - 36 violations recorded for mapped water systems
- 60014 (Crystal Lake) - 76 violations recorded for mapped water systems
- 60015 (Deerfield) - 13 violations recorded for mapped water systems
- 60016 (Des Plaines) - 27 violations recorded for mapped water systems
- 60017 (Des Plaines)
- 60018 (Des Plaines) - 24 violations recorded for mapped water systems
- 60019 (Des Plaines)
- 60020 (Fox Lake) - 114 violations recorded for mapped water systems
- 60021 (Fox River Grove) - 22 violations recorded for mapped water systems
Nearby Water Quality Reports
- 62294 (Troy) - 4 mi - 5 violations recorded for mapped water systems
- 62061 (Marine) - 5 mi - 1 violation recorded for mapped water systems
- 62254 (Lebanon) - 7 mi - 5 violations recorded for mapped water systems
- 62249 (Highland) - 7 mi - 12 violations recorded for mapped water systems
- 62289 (Summerfield) - 8 mi
- 62062 (Maryville) - 9 mi - 4 violations recorded for mapped water systems
- 62293 (Trenton) - 10 mi - 31 violations recorded for mapped water systems
- 62034 (Glen Carbon) - 10 mi - 7 violations recorded for mapped water systems
- 62234 (Collinsville) - 11 mi - 23 violations recorded for mapped water systems
- 62269 (O Fallon) - 11 mi - 5 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Troy (IL1191000) on EPA.gov.
5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 62281.
Detected compounds: PFBS.
Highest measured level: 0.0039 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Environmental Hazards (11) MODERATE
Home & Infrastructure (6) OK
Cost & Community (8) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Saint Jacob
Based on local data for ZIP 62281, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Saint Jacob has 1 FEMA flood claim on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 62281 safe to drink?
EPA SDWIS records 10 violations since 2021 across the water systems mapped to ZIP 62281 (primary system: Troy), including 1 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 62281's water come from?
The recorded water source for Troy, a system mapped to ZIP code 62281, is Groundwater. This system serves approximately 16,962 people.
How does Saint Jacob water compare to the national average?
Saint Jacob's Home Safety Score ranks lower than 51% of U.S. ZIP codes, and at or above 72% within Illinois.
How can I get my water tested in Saint Jacob?
If Troy supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
What is the radon risk for 62281?
62281 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Madison County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 62281's water?
Yes, PFAS have been detected in samples from water systems mapped to 62281. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
What does the NFIP claim history show for ZIP 62281?
FEMA records contain 1 flood insurance claim filed in ZIP code 62281; the recorded rated-zone value (the most frequent one if there are several claims) is X, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Saint Jacob, IL (62281): PFAS Detected in Mapped Water Systems - 74/100. https://zipcheckup.com/report/62281/
@misc{zipcheckup-report-62281,
author = {{ZipCheckup}},
title = {{Saint Jacob, IL (62281): PFAS Detected in Mapped Water Systems - 74/100}},
year = {2026},
url = {https://zipcheckup.com/report/62281/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 62281
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 62294 | Troy, IL | 4.4 mi | B | 5 |
| 62061 | Marine, IL | 5.1 mi | B | 1 |
| 62254 | Lebanon, IL | 7.0 mi | B | 5 |
| 62249 | Highland, IL | 7.3 mi | B | 12 |
| 62289 | Summerfield, IL | 7.9 mi | N/A | 0 |
| 62062 | Maryville, IL | 9.4 mi | B | 4 |
| 62293 | Trenton, IL | 10.0 mi | N/A | 31 |
| 62034 | Glen Carbon, IL | 10.3 mi | B | 7 |
| 62234 | Collinsville, IL | 10.5 mi | D | 23 |
| 62269 | O Fallon, IL | 10.8 mi | B | 5 |
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