Seneca, IL (61360): Lead Above EPA Action Level
EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Marseilles)
Health-based violation records by water system:
- Marseilles (1)
EPA records for the water systems mapped to 61360 in Seneca, IL contain 8 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 7 non-health-based (since 2021).
- Lead 90th-percentile lead reading of 0.0191 mg/L; the EPA action level of 0.015 mg/L applies to a water system's 90th-percentile result.
- 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 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
- Flood 25 cumulative NFIP claim records. Check the current FEMA map for a specific address.
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Multiple critical-level conditions are documented for 61360 in Seneca: 2 total, plus 1 high-priority finding.
Score Breakdown
Overall Home Safety Score: Score unavailable
Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.
Canonical components
Required domains
Coverage: 1 of 4 components and 0 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) CRITICAL
Your Water System
ZIP code 61360 in Seneca, Illinois is mapped to the water system Marseilles (EPA ID: IL0990500). This system provides water to approximately 5,061 people from groundwater sources.
There are 3 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Marseilles | IL0990500 | 5,061 | Groundwater |
| Seneca | IL0991050 | 2,353 | Groundwater |
| Il American-streator | IL0995030 | 19,000 | 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
- 61341 (Marseilles) - 5 mi - 18 violations recorded for mapped water systems
- 60479 (Verona) - 7 mi
- 60450 (Morris) - 11 mi - 24 violations recorded for mapped water systems
- 60437 (Kinsman) - 11 mi
- 60470 (Ransom) - 11 mi
- 60444 (Mazon) - 12 mi - 17 violations recorded for mapped water systems
- 61325 (Grand Ridge) - 12 mi
- 60557 (Wedron) - 12 mi
- 61350 (Ottawa) - 12 mi - 12 violations recorded for mapped water systems
- 60551 (Sheridan) - 14 mi - 10 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 Marseilles (IL0990500) 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 61360.
Detected compounds: PFBA, PFBS, PFPeA, PFHxA.
Highest measured level: 0.0071 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) HIGH
Home & Infrastructure (6) OK
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Seneca
Based on local data for ZIP 61360, 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 Seneca has 25 FEMA flood claims 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)
Gutter Installation & Repair
The median home in 61360 was built around 1972. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsWindow Replacement
The median build year of homes in Seneca is 1972; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.
Typical cost: Window replacement: typically $300–$800 per window installed
Estimate Your Home Maintenance CostsRoofing Inspection & Repair
Homes built around 1972 may be on their second or third roof. A professional inspection can catch damage before leaks start.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService 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 61360 safe to drink?
EPA SDWIS records 8 violations since 2021 across the water systems mapped to ZIP 61360 (primary system: Marseilles), 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 61360's water come from?
The recorded water source for Marseilles, a system mapped to ZIP code 61360, is Groundwater. This system serves approximately 5,061 people.
How can I get my water tested in Seneca?
If Marseilles 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.
Is lead a concern in 61360 tap water?
The Lead and Copper Rule record selected for 61360 reports a 90th-percentile lead result of 0.0191 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This system 90th-percentile result is above the EPA lead action level of 0.015 mg/L, which requires corrective action by the system; consider a filter certified for lead reduction.
What is the radon risk for 61360?
61360 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in LaSalle 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 61360's water?
Yes, PFAS have been detected in samples from water systems mapped to 61360. 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 61360?
FEMA records contain 25 flood insurance claims filed in ZIP code 61360; the recorded rated-zone value (the most frequent one if there are several claims) is AE, 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). Seneca, IL (61360): Lead Above EPA Action Level. https://zipcheckup.com/report/61360/
@misc{zipcheckup-report-61360,
author = {{ZipCheckup}},
title = {{Seneca, IL (61360): Lead Above EPA Action Level}},
year = {2026},
url = {https://zipcheckup.com/report/61360/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 61360
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 61341 | Marseilles, IL | 4.5 mi | N/A | 18 |
| 60479 | Verona, IL | 6.6 mi | N/A | 0 |
| 60450 | Morris, IL | 10.6 mi | N/A | 24 |
| 60437 | Kinsman, IL | 10.9 mi | N/A | 0 |
| 60470 | Ransom, IL | 11.4 mi | B | 0 |
| 60444 | Mazon, IL | 11.5 mi | N/A | 17 |
| 61325 | Grand Ridge, IL | 12.0 mi | N/A | 0 |
| 60557 | Wedron, IL | 12.0 mi | N/A | 0 |
| 61350 | Ottawa, IL | 12.3 mi | N/A | 12 |
| 60551 | Sheridan, IL | 14.3 mi | N/A | 10 |
Nearby ZIP Code Reports
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