Prospect Heights
EPA ID: IL0312530 · 2,280 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for Prospect Heights (IL0312530): 1 violation on record since 2021. Prospect Heights's EPA record lists 1 historical violation, and none is listed as open in that record; the utility supplies water to 2,280 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Prospect Heights Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Prospect Heights have a median household income of $87,330 and about 53,889 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 72% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 46% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
🌊 Where Does Your Water Come From?
Prospect Heights's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Illinois
System Overview
Prospect Heights (EPA ID: IL0312530) is a community water system in Illinois that serves approximately 2,280 people from surface water sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 0 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 |
|---|---|---|---|
| January 1, 2025 | TTHM | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| TTHM | Monitoring & Reporting | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0041 mg/L | No | 2023-12-31 |
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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 available EPA compliance records for Prospect Heights (IL0312530) on EPA.gov.
Frequently Asked Questions
Is Prospect Heights water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Prospect Heights; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Prospect Heights serve?
Prospect Heights serves approximately 2,280 people across 2 ZIP codes in Illinois.
Where does Prospect Heights get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Prospect Heights (IL): 1 EPA Violation. https://zipcheckup.com/water-system/il0312530/
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author = {{ZipCheckup}},
title = {{Prospect Heights (IL): 1 EPA Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/il0312530/}
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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
Prospect Heights (EPA ID: IL0312530) - request the latest Consumer Confidence Report or ask about specific contaminants.