Percy
EPA ID: IL1570350 · 961 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Percy (IL1570350): 6 EPA violations in the last five years. Since the flagged events, Percy resolved all 6 violations - compliant today, 961 residents served.
Data: EPA SDWIS
Service Area Map
Coverage area for Percy Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Percy serves a community with a median household income of $59,727 and an estimated 4,305 residents across its service area. Approximately 70% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Percy's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Detected Contaminants
How Percy compares to EPA limits
What This Means For You
Lead at 2 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Haloacetic Acids (HAA5) at 1 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Total Trihalomethanes (TTHM) at 1 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Lead and Copper Rule at 1 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 1 detection recorded.
Lead was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Percy (EPA ID: IL1570350) is a community water system in Illinois that serves approximately 961 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 4 resolved, 2 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Lead | Non-health-based | Archived |
| July 1, 2025 | Copper | Non-health-based | Archived |
| January 16, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| January 1, 2023 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| January 1, 2023 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
| January 1, 2023 | Lead | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead | Inorganic | 2 | No |
| Copper | Inorganic | 1 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | No |
| Lead and Copper Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0021 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by IL or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Percy (IL1570350) on EPA.gov.
Frequently Asked Questions
Is Percy water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Percy; its 6 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Percy serve?
Percy serves approximately 961 people across 2 ZIP codes in Illinois.
Where does Percy get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Percy (IL): 6 EPA Violations. https://zipcheckup.com/water-system/il1570350/
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author = {{ZipCheckup}},
title = {{Percy (IL): 6 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/il1570350/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Percy (EPA ID: IL1570350) - request the latest Consumer Confidence Report or ask about specific contaminants.