Rio Del Oro Water System
EPA ID: NM3580232 · 4,387 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Rio Del Oro Water System (NM3580232): 1 past health-based violation, since resolved. The five-year EPA compliance file for Rio Del Oro Water System contains 1 violation, each documented and subsequently closed - the utility now operates in full compliance and continues to supply approximately 4,387 residents with water meeting current federal standards, including both health-based and monitoring requirements.
Data: EPA SDWIS
Service Area Map
Coverage area for Rio Del Oro Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Rio Del Oro Water System serves a community with a median household income of $51,537 and an estimated 21,375 residents across its service area. Approximately 54% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 67% 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?
Rio Del Oro 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.
Infrastructure Risk
Detected Contaminants
How Rio Del Oro Water System compares to EPA limits
What This Means For You
Contaminant 0700 at 1 mg/L exceeds the EPA maximum of mg/L.
Comparable Water Systems
Similar-sized systems in New Mexico
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
Rio Del Oro Water System (EPA ID: NM3580232) is a community water system in New Mexico that serves approximately 4,387 people from groundwater sources.
This system serves ZIP code 87002 in Belen.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 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 |
|---|---|---|---|
| January 10, 2026 | Contaminant 0700 | 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 | 1 | Yes |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.00057 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 NM or modeled from parcel and building-footprint data.
- 87002 - Belen
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Rio Del Oro Water System (NM3580232) on EPA.gov.
Frequently Asked Questions
Is Rio Del Oro Water System water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Rio Del Oro Water System; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Rio Del Oro Water System serve?
Rio Del Oro Water System serves approximately 4,387 people across 1 ZIP code in New Mexico.
Where does Rio Del Oro Water System get its water?
The primary water source is groundwater.
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Rio Del Oro Water System (NM): 1 Health Violation. https://zipcheckup.com/water-system/nm3580232/
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author = {{ZipCheckup}},
title = {{Rio Del Oro Water System (NM): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/nm3580232/}
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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
Rio Del Oro Water System (EPA ID: NM3580232) - request the latest Consumer Confidence Report or ask about specific contaminants.