A90/100
UPPER LA PLATA WATER USERS ASSOCIATION — Water Quality Report 2026
Serving 2,265 people · New Mexico
Water Source
Purchased Surface Water
County
—
System ID
NM3510624
Violations
7
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
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2021 – October 31, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2021 – October 31, 2021Rule: Stage 2 DBPREnforcement: 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 UPPER LA PLATA WATER USERS ASSOCIATION
Is UPPER LA PLATA WATER USERS ASSOCIATION water safe to drink?
UPPER LA PLATA WATER USERS ASSOCIATION water receives a grade of A (90/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has UPPER LA PLATA WATER USERS ASSOCIATION detected?
1 contaminants were tested in UPPER LA PLATA WATER USERS ASSOCIATION's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does UPPER LA PLATA WATER USERS ASSOCIATION have any EPA violations?
Yes, UPPER LA PLATA WATER USERS ASSOCIATION has 7 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, Other.
How many people does UPPER LA PLATA WATER USERS ASSOCIATION serve?
UPPER LA PLATA WATER USERS ASSOCIATION serves approximately 2,265 people, New Mexico. The system provides water to 1 community: La Plata.
What type of water does UPPER LA PLATA WATER USERS ASSOCIATION provide?
UPPER LA PLATA WATER USERS ASSOCIATION sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is NM3510624.
How does UPPER LA PLATA WATER USERS ASSOCIATION compare to other utilities in New Mexico?
UPPER LA PLATA WATER USERS ASSOCIATION scores 90/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our New Mexico state page for a full comparison of water systems.