Blackhawk Estates Llc
EPA ID: IL0317765 · 1,238 people served · 88 ZIP codes
EPA monitoring data for Blackhawk Estates Llc shows an unblemished five-year compliance history — no violations of any kind have been recorded for this utility, which supplies water to approximately 1,238 people, covering every reporting cycle without a single MCL exceedance or monitoring lapse.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Blackhawk Estates Llc Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Blackhawk Estates Llc serves a community with a median household income of $80,104 and an estimated 2,753,013 residents across its service area. Approximately 77% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 45% 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?
Blackhawk Estates Llc'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.
About 1% of homes in Cook County, Illinois rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 1 detection recorded.
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
Blackhawk Estates Llc (EPA ID: IL0317765) is a community water system in Illinois that serves approximately 1,238 people from groundwater sources.
This system provides water to 88 ZIP codes across 3 communities.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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: 2 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 86 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
This system serves 88 ZIP codes:
60007 · 60018 · 60290 · 60601 · 60602 60603 · 60604 · 60605 · 60606 · 60607 60608 · 60609 · 60610 · 60611 · 60612 60613 · 60614 · 60615 · 60616 · 60617 60618 · 60619 · 60620 · 60621 · 60622 60623 · 60624 · 60625 · 60626 · 60628 60629 · 60630 · 60631 · 60632 · 60633 60634 · 60636 · 60637 · 60638 · 60639 60640 · 60641 · 60642 · 60643 · 60644 60645 · 60646 · 60647 · 60649 · 60651 60652 · 60653 · 60654 · 60655 · 60656 60657 · 60659 · 60660 · 60661 · 60664 60666 · 60668 · 60669 · 60670 · 60673 60674 · 60675 · 60677 · 60678 · 60679 60680 · 60681 · 60682 · 60684 · 60685 60686 · 60687 · 60688 · 60689 · 60690 60691 · 60693 · 60694 · 60695 · 60696 60697 · 60699 · 60701
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Blackhawk Estates Llc (IL0317765) on EPA.gov.
Frequently Asked Questions
Is Blackhawk Estates Llc water safe to drink?
Based on EPA records, Blackhawk Estates Llc has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Blackhawk Estates Llc serve?
Blackhawk Estates Llc serves approximately 1,238 people across 88 ZIP codes in Illinois.
Where does Blackhawk Estates Llc get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.