Monterra
EPA ID: WA5355990 · 464 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Monterra (WA5355990): no EPA violations recorded in the last five years. In every reporting cycle over the past five years, Monterra has come through without a single EPA violation - a consistent performance across the full service population of approximately 464 residents that reflects both well-maintained infrastructure and reliable operational oversight.
Data: EPA SDWIS
Service Area Map
Coverage area for Monterra Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Monterra serves a community with a median household income of $67,778 and an estimated 23,907 residents across its service area. Approximately 69% 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?
Monterra'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
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 1 detection recorded.
Comparable Water Systems
Similar-sized systems in Washington
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
Monterra (EPA ID: WA5355990) is a community water system in Washington that serves approximately 464 people from groundwater sources.
This system serves ZIP code 98362 in Port Angeles.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0015 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 WA or modeled from parcel and building-footprint data.
- 98362 - Port Angeles
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Monterra (WA5355990) on EPA.gov.
Frequently Asked Questions
Is Monterra water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Monterra in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Monterra serve?
Monterra serves approximately 464 people across 1 ZIP code in Washington.
Where does Monterra get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Monterra Water Quality Report, WA. https://zipcheckup.com/water-system/wa5355990/
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author = {{ZipCheckup}},
title = {{Monterra Water Quality Report, WA}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/wa5355990/}
}