RIO MESA HIGH SCHOOL/OXNARD UHS
Oxnard, CA · 2,600 served
RIO MESA HIGH SCHOOL/OXNARD UHS serves 2,600 people in Oxnard, CA. It has 1 health-based violation in the last 5 years. TapGraded has not yet graded this system.
Violation history (last 5 years)
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Lead (Lead and Copper Rule)
EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).
PFAS (UCMR5 occurrence data)
This system was not required to sample under UCMR5 (systems serving fewer than 3,300 people are mostly exempt).
System details
- System type
- Non-transient non-community water system
- Water source
- Ground water
- Ownership
- Local government
- Service connections
- 13
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Is Oxnard, CA tap water safe to drink?
RIO MESA HIGH SCHOOL/OXNARD UHS has 1 health-based violation in the last 5 years. TapGraded has not yet graded this system.
Does RIO MESA HIGH SCHOOL/OXNARD UHS have lead in its water?
The most recent 90th-percentile lead sample is 0 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in RIO MESA HIGH SCHOOL/OXNARD UHS's water?
This system was not required to sample under UCMR5 (systems serving fewer than 3,300 people are mostly exempt).
Source: EPA SDWIS/ECHO · Data as of 2026Q2