Hillsboro-cherry Grove
EPA ID: OR4100985 · 1,628 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for Hillsboro-cherry Grove (OR4100985): 4 EPA violations in the last five years. Although 4 violations appeared on Hillsboro-cherry Grove's record, all have been remedied - currently compliant, 1,628 served.
Data: EPA SDWIS
Service Area Map
Coverage area for Hillsboro-cherry Grove Source: EPA SDWIS service area boundaries.
Service area boundary - Grade B
Service Area Demographics
The Hillsboro-cherry Grove serves a community with a median household income of $109,083 and an estimated 35,539 residents across its service area. Approximately 61% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Hillsboro-cherry Grove's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Infrastructure Risk
Detected Contaminants
How Hillsboro-cherry Grove compares to EPA limits
What This Means For You
E. coli at 2 Zero tolerance (any positive sample triggers immediate action) exceeds the EPA maximum of Zero tolerance (any positive sample triggers immediate action). Severe GI illness; potentially fatal kidney failure in children. Consider UV disinfection (99.99%) filtration.
Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Fecal Coliform at 1 presence exceeds the EPA maximum of presence.
E. coli was detected in this water system. UV disinfection (99.99%) 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
Hillsboro-cherry Grove (EPA ID: OR4100985) is a community water system in Oregon that serves approximately 1,628 people from surface water sources.
This system provides water to 3 ZIP codes across 3 communities.
ZIP-Area Home Safety Context: B (75/100)
This is the average Home Safety Score for 1 of 3 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Status breakdown for accepted records with record years 2021-2026: 4 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 |
|---|---|---|---|
| July 1, 2025 | Surface Water Treatment Rule | Non-health-based | Resolved |
| July 1, 2023 | E. coli | Non-health-based | Resolved |
| July 1, 2023 | Fecal Coliform | Non-health-based | Resolved |
| July 1, 2023 | E. coli | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| E. coli | Microbiological | 2 | No |
| Surface Water Treatment Rule | Treatment Failure | 1 | No |
| Fecal Coliform | Microbiological | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0064 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.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Hillsboro-cherry Grove (OR4100985) on EPA.gov.
Frequently Asked Questions
Is Hillsboro-cherry Grove water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Hillsboro-cherry Grove; its 4 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Hillsboro-cherry Grove serve?
Hillsboro-cherry Grove serves approximately 1,628 people across 3 ZIP codes in Oregon.
Where does Hillsboro-cherry Grove get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Hillsboro-cherry Grove (OR): 4 EPA Violations. https://zipcheckup.com/water-system/or4100985/
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author = {{ZipCheckup}},
title = {{Hillsboro-cherry Grove (OR): 4 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/or4100985/}
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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
Hillsboro-cherry Grove (EPA ID: OR4100985) - request the latest Consumer Confidence Report or ask about specific contaminants.