Public water system · CA2100551
ActiveTony S Seafood Restaurant
At a glance
Tony S Seafood Restaurant (PWSID CA2100551) is an active transient non-community water system in Marin County, California. It reports serving 103 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; all are health-based, and the most recent began in October 2004.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
103
Service connections
4
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Tony S Seafood Restaurant compare with other water systems in Marin County?
By EPA's size categories, Tony S Seafood Restaurant is a very small system (500 people or fewer). Marin County has 46 active public water systems. Its population served is well below the county average of 6,203 people per system, and accounts for less than 0.1% of the 285,353 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Tony S Seafood Restaurant is about 28% below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. California has 3,016 active transient non-community water systems, 40% of the state's 7,479 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.
Who owns and regulates Tony S Seafood Restaurant?
EPA lists Tony S Seafood Restaurant as privately owned. The CA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 22 of the 46 active systems in Marin County (48%) are also privately owned.
Does Tony S Seafood Restaurant have drinking water violations?
EPA's records list 2 violations for this system; all are health-based, and the most recent began in October 2004. The violations listed here began between November 2000 and October 2004. By type: 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2004-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2000-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 2 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.
Tony S Seafood Restaurant: frequently asked questions
Who runs Tony S Seafood Restaurant?
Tony S Seafood Restaurant (PWSID CA2100551) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Tony S Seafood Restaurant serve?
Tony S Seafood Restaurant reports serving 103 people through 4 service connections in Marin County, California.
Where does Tony S Seafood Restaurant get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Tony S Seafood Restaurant have any drinking water violations?
EPA's records list 2 violations for this system; all are health-based, and the most recent began in October 2004. 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.
Is Tony S Seafood Restaurant's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 2 violations for this system; all are health-based, and the most recent began in October 2004. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Tony S Seafood Restaurant's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Tony S Seafood Restaurant is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Marin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Marin Municipal Water District | Marin | 186,895 | Community | Surface water |
| North Marin Water District | Marin | 61,691 | Community | Surface water |
| Nps Ggnra | Marin | 18,447 | Community | Purchased surface water |
| Bolinas Community PUD | Marin | 2,483 | Community | Surface water |
| North Marin Wd - Pt. Reyes | Marin | 1,841 | Community | Groundwater |
| Csp - Angel Island St Park | Marin | 1,622 | Transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Tony S Seafood Restaurant, PWSID CA2100551, California”, https://aquacensus.com/water-systems/california/tony-s-seafood-restaurant-ca2100551 (data as of October 1, 2026).