MOUNT LAGUNA WATER SYSTEM
San Diego, CA · 500 served
MOUNT LAGUNA WATER SYSTEM serves 500 people in San Diego, CA. It has 0 health-based violations in the last 5 years. TapGraded has not yet graded this system.
Violation history (last 5 years)
No violations on record.
Get alerted when MOUNT LAGUNA WATER SYSTEM gets a violation
Alert emails are in development; once they launch, we'll only email you about this water system. Unsubscribe anytime via contact@tapgraded.com.
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
- Federal government
- Service connections
- 64
Worried about what's in your tap?
See which water filters are certified to remove the contaminants found in your area.
Find a filter that matches your waterFrequently asked questions
Is San Diego, CA tap water safe to drink?
MOUNT LAGUNA WATER SYSTEM has 0 health-based violations in the last 5 years. TapGraded has not yet graded this system. A Tap Grade summarizes public EPA compliance records; it is not a determination that water is safe or unsafe to drink.
Does MOUNT LAGUNA WATER SYSTEM have lead in its water?
No lead sampling results on record for this period.
Has PFAS been detected in MOUNT LAGUNA WATER SYSTEM'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
TapGraded presents public EPA data for information only — it is not health advice and not a determination that any water is safe or unsafe to drink. For health concerns, contact your water utility or local health department.