F7/100
QUESTA WATER SYSTEM — Water Quality Report 2026
Serving 2,337 people · New Mexico
Water Source
Groundwater
County
—
System ID
NM3506829
Violations
42
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024 – April 2, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About QUESTA WATER SYSTEM
Is QUESTA WATER SYSTEM water safe to drink?
QUESTA WATER SYSTEM water receives a grade of F (7/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 42 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has QUESTA WATER SYSTEM detected?
1 contaminants were tested in QUESTA WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does QUESTA WATER SYSTEM have any EPA violations?
Yes, QUESTA WATER SYSTEM has 42 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, MON. 12 are health-based violations.
How many people does QUESTA WATER SYSTEM serve?
QUESTA WATER SYSTEM serves approximately 2,337 people, New Mexico. The system provides water to 1 community: Questa.
What type of water does QUESTA WATER SYSTEM provide?
QUESTA WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NM3506829.
How does QUESTA WATER SYSTEM compare to other utilities in New Mexico?
QUESTA WATER SYSTEM scores 7/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our New Mexico state page for a full comparison of water systems.