Twin Cedars Mhp
EPA ID: OR4101514 · 200 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Twin Cedars Mhp (OR4101514): 1 unresolved EPA violation on record. The EPA enforcement database lists 1 active violation for Twin Cedars Mhp - a provider that delivers drinking water to approximately 200 people and has not yet formally resolved those findings.
Data: EPA SDWIS
Service Area Map
Coverage area for Twin Cedars Mhp Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Twin Cedars Mhp serves a community with a median household income of $64,307 and an estimated 33,236 residents across its service area. Approximately 58% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
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?
Twin Cedars 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.
Superfund Proximity Note: This service area ranks in the 60th 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 Twin Cedars Mhp compares to EPA limits
What This Means For You
Lead at 1 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Consumer Confidence Report Rule at 7 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Lead was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
Similar-sized systems in Oregon
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
Twin Cedars Mhp (EPA ID: OR4101514) is a community water system in Oregon that serves approximately 200 people from groundwater sources.
This system serves ZIP code 97355 in Lebanon.
Violation History
Status breakdown for accepted records with record years 2021-2026: 10 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 |
|---|---|---|---|
| October 1, 2025 | Stage 1 DBP Rule | Non-health-based | Unaddressed (current) |
| October 1, 2023 | Surface Water Treatment Rule | Non-health-based | Resolved |
| October 1, 2023 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| August 1, 2023 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| July 1, 2023 | Surface Water Treatment Rule | Non-health-based | Resolved |
| May 1, 2023 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| April 1, 2022 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| March 1, 2022 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| February 1, 2022 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| January 1, 2022 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| January 1, 2022 | Lead | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting Failure | 7 | No |
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Lead | Inorganic | 1 | No |
| Stage 1 DBP 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 |
|---|---|---|
| 0.00056 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 OR or modeled from parcel and building-footprint data.
- 97355 - Lebanon
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Twin Cedars Mhp (OR4101514) on EPA.gov.
Frequently Asked Questions
Is Twin Cedars Mhp 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 Twin Cedars Mhp serve?
Twin Cedars Mhp serves approximately 200 people across 1 ZIP code in Oregon.
Where does Twin Cedars Mhp get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Twin Cedars Mhp (OR): 11 EPA Violations. https://zipcheckup.com/water-system/or4101514/
@misc{zipcheckup-water-system-or4101514,
author = {{ZipCheckup}},
title = {{Twin Cedars Mhp (OR): 11 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/or4101514/}
}
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
Twin Cedars Mhp (EPA ID: OR4101514) - request the latest Consumer Confidence Report or ask about specific contaminants.