CAL TRANS - DESERT OASIS
San Bernardino, CA · 2,000 served
CAL TRANS - DESERT OASIS serves 2,000 people in San Bernardino, CA. It has 0 health-based violations 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).
No lead sampling results on record for this period.
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
- Transient non-community water system
- Water source
- Ground water
- Ownership
- State government
- Service connections
- 1
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Is San Bernardino, CA tap water safe to drink?
CAL TRANS - DESERT OASIS has 0 health-based violations in the last 5 years. TapGraded has not yet graded this system.
Does CAL TRANS - DESERT OASIS have lead in its water?
No lead sampling results on record for this period.
Has PFAS been detected in CAL TRANS - DESERT OASIS'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