Oasis Mhp
EPA ID: IL0315185 · 3,000 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Oasis Mhp (IL0315185): 2 EPA violations in the last five years. The five-year EPA compliance file for Oasis Mhp contains 2 violations, each documented and subsequently closed - the utility now operates in full compliance and continues to supply approximately 3,000 residents with water meeting current federal standards, including both health-based and monitoring requirements.
Data: EPA SDWIS
Service Area Map
Coverage area for Oasis Mhp Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Oasis Mhp serves a community with a median household income of $90,328 and an estimated 61,787 residents across its service area. Approximately 82% 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?
Oasis 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.
Infrastructure Risk
Detected Contaminants
How Oasis Mhp compares to EPA limits
What This Means For You
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.
Haloacetic Acids (HAA5) was detected in this water system. granular activated carbon (GAC) 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
Oasis Mhp (EPA ID: IL0315185) is a community water system in Illinois that serves approximately 3,000 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: 2 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 |
|---|---|---|---|
| September 1, 2021 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| September 1, 2021 | Total Trihalomethanes (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 |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | No |
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Oasis Mhp (IL0315185) on EPA.gov.
Frequently Asked Questions
Is Oasis Mhp water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Oasis Mhp; its 2 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Oasis Mhp serve?
Oasis Mhp serves approximately 3,000 people across 2 ZIP codes in Illinois.
Where does Oasis Mhp get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Oasis Mhp (IL): 2 EPA Violations. https://zipcheckup.com/water-system/il0315185/
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author = {{ZipCheckup}},
title = {{Oasis Mhp (IL): 2 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/il0315185/}
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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
Oasis Mhp (EPA ID: IL0315185) - request the latest Consumer Confidence Report or ask about specific contaminants.