Oran Public Water System
EPA ID: MO4010604 · 1,294 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Oran Public Water System (MO4010604): 1 unresolved EPA violation on record. Unlike fully compliant utilities, Oran Public Water System has 1 outstanding EPA violation for approximately 1,294 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Oran Public Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Oran Public Water System serves a community with a median household income of $66,800 and an estimated 2,461 residents across its service area. Approximately 72% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 50% 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?
Oran Public Water System'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.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Detected Contaminants
How Oran Public Water System compares to EPA limits
What This Means For You
Haloacetic Acids (HAA5) at 3 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 3 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Contaminant 0700 at 5 mg/L exceeds the EPA maximum of mg/L.
Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Stage 2 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
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
Oran Public Water System (EPA ID: MO4010604) is a community water system in Missouri that serves approximately 1,294 people from groundwater sources.
This system serves ZIP code 63771 in Oran.
Violation History
Status breakdown for accepted records with record years 2021-2026: 13 resolved, 0 archived, 0 addressed, and 1 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 19, 2026 | Contaminant 0700 | Health-based | Resolved |
| July 2, 2025 | Stage 2 DBP Rule | Non-health-based | Unaddressed (current) |
| October 1, 2024 | Contaminant 0700 | Non-health-based | Resolved |
| October 1, 2024 | Stage 1 DBP Rule | Non-health-based | Resolved |
| May 30, 2024 | Lead and Copper Rule | Non-health-based | Resolved |
| May 1, 2024 | Contaminant 0700 | Non-health-based | Resolved |
| January 1, 2024 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| January 1, 2024 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
| April 1, 2023 | Contaminant 0700 | Non-health-based | Resolved |
| January 1, 2023 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| January 1, 2023 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
| October 1, 2021 | Contaminant 0700 | Non-health-based | Resolved |
| January 1, 2021 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| January 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 |
|---|---|---|---|
| Contaminant 0700 | Other Violation | 5 | Yes |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 3 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 3 | No |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
| Stage 2 DBP Rule | Treatment Failure | 1 | No |
| Lead and Copper Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.00271 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 MO or modeled from parcel and building-footprint data.
- 63771 - Oran
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Oran Public Water System (MO4010604) on EPA.gov.
Frequently Asked Questions
Is Oran Public Water System water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Oran Public Water System serve?
Oran Public Water System serves approximately 1,294 people across 1 ZIP code in Missouri.
Where does Oran Public Water System get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Oran Public Water System (MO): 1 Health Violation. https://zipcheckup.com/water-system/mo4010604/
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author = {{ZipCheckup}},
title = {{Oran Public Water System (MO): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/mo4010604/}
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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
Oran Public Water System (EPA ID: MO4010604) - request the latest Consumer Confidence Report or ask about specific contaminants.