F0/100
RIO RANCHO WATER & WW SERVICES — Water Quality Report 2026
Serving 107,350 people · New Mexico
Water Source
Purchased Surface Water
County
—
System ID
NM3509623
Violations
126
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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 RIO RANCHO WATER & WW SERVICES
Is RIO RANCHO WATER & WW SERVICES water safe to drink?
RIO RANCHO WATER & WW SERVICES water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 126 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has RIO RANCHO WATER & WW SERVICES detected?
66 contaminants were tested in RIO RANCHO WATER & WW SERVICES's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does RIO RANCHO WATER & WW SERVICES have any EPA violations?
Yes, RIO RANCHO WATER & WW SERVICES has 126 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, MON, Other. 4 are health-based violations.
How many people does RIO RANCHO WATER & WW SERVICES serve?
RIO RANCHO WATER & WW SERVICES serves approximately 107,350 people, New Mexico. The system provides water to 1 community: Rio Rancho.
What type of water does RIO RANCHO WATER & WW SERVICES provide?
RIO RANCHO WATER & WW SERVICES 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 NM3509623.
How does RIO RANCHO WATER & WW SERVICES compare to other utilities in New Mexico?
RIO RANCHO WATER & WW SERVICES 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.