F0/100
Santo Domingo Pueblo — Water Quality Report 2026
Serving 5,455 people · New Mexico
Water Source
Groundwater
County
—
System ID
063500120
Violations
93
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2022 – July 31, 2022Rule: Total Coliform 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 Santo Domingo Pueblo
Is Santo Domingo Pueblo water safe to drink?
Santo Domingo Pueblo water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 93 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has Santo Domingo Pueblo detected?
51 contaminants were tested in Santo Domingo Pueblo's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does Santo Domingo Pueblo have any EPA violations?
Yes, Santo Domingo Pueblo has 93 EPA violation(s) on record, with the most recent in 2022. Violation types include MON, TT, MR. 24 are health-based violations.
How many people does Santo Domingo Pueblo serve?
Santo Domingo Pueblo serves approximately 5,455 people, New Mexico.
What type of water does Santo Domingo Pueblo provide?
Santo Domingo Pueblo sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is 063500120.
How does Santo Domingo Pueblo compare to other utilities in New Mexico?
Santo Domingo Pueblo scores 0/100 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.