Public water system · CA3810702
ActiveTreasure Island
Community water system in San Francisco County, California, drawing primarily on purchased surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,864
Service connections
186
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1998-12-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 3 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Treasure Island: frequently asked questions
Is Treasure Island's water safe to drink?
Treasure Island is an active community water system regulated under the Safe Drinking Water Act, overseen by the CA state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Treasure Island?
Treasure Island (PWSID CA3810702) is a federal government-owned community water system, regulated by the CA state drinking water program.
How many people does Treasure Island serve?
Treasure Island reports serving 3,864 people through 186 service connections in San Francisco County, California.
Where does Treasure Island get its water?
EPA SDWIS lists this system's primary water source as purchased surface water.
Other water systems in San Francisco County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sfpuc City Distribution Division | San Francisco | 848,019 | Community | Purchased surface water |
| San Francisco International Airport | San Francisco | 183,386 | Non-transient non-community | Purchased surface water |
| Presidio of San Francisco | San Francisco | 3,500 | Community | Surface water |
| San Francisco Regional Water System | San Francisco | 600 | Community | Surface water |
| Hhw&P-O'Shaughnessy Dam Cpd-Sfpuc | San Francisco | 495 | Transient non-community | Surface water |
| Hhw&P Moccasin Compound-Sfpuc | San Francisco | 410 | Community | Purchased surface water |
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