TapGraded
A

SAN DIEGO COUNTY WATER AUTHORITY

San Diego, CA 0

SAN DIEGO COUNTY WATER AUTHORITY serves 0 people in San Diego, 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).

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
Community water system
Water source
Surface water
Ownership
Local government
Service connections
90

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Frequently asked questions

Is San Diego, CA tap water safe to drink?

SAN DIEGO COUNTY WATER AUTHORITY has 0 health-based violations in the last 5 years. TapGraded gives this system an A.

Does SAN DIEGO COUNTY WATER AUTHORITY have lead in its water?

No lead sampling results on record for this period.

Has PFAS been detected in SAN DIEGO COUNTY WATER AUTHORITY'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