Harwood Heights
EPA ID: IL0311140 · 9,065 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Harwood Heights (IL0311140): no EPA violations recorded in the last five years. Harwood Heights carries zero EPA violations in five years - a spotless record for a utility serving 9,065 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Harwood Heights Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Harwood Heights serves a community with a median household income of $85,000 and an estimated 24,028 residents across its service area. Approximately 80% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 46% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. 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?
Harwood 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
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
Harwood Heights (EPA ID: IL0311140) is a community water system in Illinois that serves approximately 9,065 people from surface water sources.
This system serves ZIP code 60706 in Harwood Heights.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 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.
- 60706 - Harwood Heights
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Harwood Heights (IL0311140) on EPA.gov.
Frequently Asked Questions
Is Harwood Heights water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Harwood Heights in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Harwood Heights serve?
Harwood Heights serves approximately 9,065 people across 1 ZIP code in Illinois.
Where does Harwood Heights get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Harwood Heights Water Quality Report, IL. https://zipcheckup.com/water-system/il0311140/
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