Vallecitos Mdwca
EPA ID: NM3503521 · 84 people served · 2 ZIP codes
Vallecitos Mdwca shows 7 open EPA violations in current federal records for approximately 84 people.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Vallecitos Mdwca Source: EPA SDWIS service area boundaries.
Service area boundary — Grade F
🌊 Where Does Your Water Come From?
Vallecitos Mdwca'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.
About 3% of homes in Rio Arriba County, New Mexico rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Detected Contaminants
How Vallecitos Mdwca compares to EPA limits
What This Means For You
Consumer Confidence Report Rule at 5 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 4 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 4 mg/L exceeds the EPA maximum of mg/L.
Fecal Coliform at 1 presence exceeds the EPA maximum of presence.
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
VALLECITOS MDWCA (EPA ID: NM3503521) is a community water system in New Mexico that serves approximately 84 people from surface water sources.
This system provides water to 2 ZIP codes across 2 communities.
Average Home Safety Score: F (35/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| August 28, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| July 11, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| July 1, 2025 | Surface Water Treatment Rule | Monitoring | Unresolved |
| October 1, 2024 | Surface Water Treatment Rule | Monitoring | Unresolved |
| August 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| July 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| July 1, 2024 | Surface Water Treatment Rule | Monitoring | Unresolved |
| June 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| May 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| April 16, 2023 | Lead and Copper Rule | Monitoring | 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 | 5 | No |
| Surface Water Treatment Rule | Treatment Failure | 4 | No |
| Lead and Copper Rule | Treatment Failure | 4 | No |
| Fecal Coliform | Microbiological | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 87581 | 0.011 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High 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
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Vallecitos Mdwca (NM3503521) on EPA.gov.
Frequently Asked Questions
Is Vallecitos Mdwca water safe to drink?
Vallecitos Mdwca has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Vallecitos Mdwca serve?
Vallecitos Mdwca serves approximately 84 people across 2 ZIP codes in New Mexico.
Where does Vallecitos Mdwca get its water?
The primary water source is surface water.
Water Source & Treatment
Where this water originates and how it's treated before reaching your tap.
Source: VALLECITOS MDWCA Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility. Treatment and source data are sourced from the utility's published CCR filings.
Treatment regime
How this utility classifies its treatment process and what each reported treatment chemical does.
Treatment chemicals and what each one does
Chemical names are reported verbatim by the utility. Purpose categories are ZipCheckup annotations based on standard drinking-water treatment practice.
Treatment classification and chemical list sourced from VALLECITOS MDWCA Consumer Confidence Report.
Treatment intensity is a ZipCheckup-derived classification based on the chemicals and processes the utility reports. Chemicals and contamination sources are taken verbatim from the utility's CCR filing. Routine federal monitoring and contaminant testing shown elsewhere on this page determine whether the water meets safety standards, not the treatment classification.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
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
Vallecitos Mdwca (EPA ID: NM3503521) — request the latest Consumer Confidence Report or ask about specific contaminants.