TapGraded
A

CSA 42 ORO GRANDE

San Bernardino, CA · 529 served

CSA 42 ORO GRANDE serves 529 people in San Bernardino, CA. It has 0 health-based violations in the last 5 years. TapGraded gives this system an A.

Score breakdown

Health-based violations (5y)

0

Monitoring violations (5y)

0

Currently unaddressed

0

Overall score

100/100

Violation history (last 5 years)

No violations on record.

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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).

90th-percentile lead sample 0 ppb
0 ppb EPA action level: 15 ppb

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
Community water system
Water source
Ground water
Ownership
Local government
Service connections
143

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Frequently asked questions

Is San Bernardino, CA tap water safe to drink?

CSA 42 ORO GRANDE has 0 health-based violations in the last 5 years. TapGraded gives this system an A.

Does CSA 42 ORO GRANDE 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 CSA 42 ORO GRANDE'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