Oak Lawn Mhp
EPA ID: IL0075275 · 450 people served · 1 ZIP code
Over five tracked years, Oak Lawn Mhp has stayed completely violation-free for its 450 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Oak Lawn Mhp Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Oak Lawn Mhp serves a community with a median household income of $104,216 and an estimated 10,927 residents across its service area.
Environmental Justice Note: 43% 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?
Oak Lawn Mhp'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 2% of homes in Boone County, Illinois rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Wastewater Proximity Note: This service area ranks in the 90th percentile nationally for proximity to wastewater discharge points.
Superfund Proximity Note: This service area ranks in the 80th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
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
Oak Lawn Mhp (EPA ID: IL0075275) is a community water system in Illinois that serves approximately 450 people from groundwater sources.
This system serves ZIP code 61065 in Poplar Grove.
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: 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.
- 61065 — Poplar Grove
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Oak Lawn Mhp (IL0075275) on EPA.gov.
Frequently Asked Questions
Is Oak Lawn Mhp water safe to drink?
Based on EPA records, Oak Lawn Mhp has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Oak Lawn Mhp serve?
Oak Lawn Mhp serves approximately 450 people across 1 ZIP code in Illinois.
Where does Oak Lawn Mhp 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.