Public water system · CA4400913
ActiveSt Clare'S Retreat
At a glance
St Clare'S Retreat (PWSID CA4400913) is an active transient non-community water system in Santa Cruz County, California. It reports serving 67 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
67
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does St Clare'S Retreat compare with other water systems in Santa Cruz County?
By EPA's size categories, St Clare'S Retreat is a very small system (500 people or fewer). Santa Cruz County has 96 active public water systems. Its population served is well below the county average of 2,856 people per system, and accounts for less than 0.1% of the 274,204 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 St Clare'S Retreat is about half of 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 St Clare'S Retreat?
EPA lists St Clare'S Retreat 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. 76 of the 96 active systems in Santa Cruz County (79%) are also privately owned.
Does St Clare'S Retreat have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2021. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrate. EPA lists 1 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 |
|---|---|---|---|---|
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
The one violation in EPA's records.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.
St Clare'S Retreat: frequently asked questions
Who runs St Clare'S Retreat?
St Clare'S Retreat (PWSID CA4400913) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does St Clare'S Retreat serve?
St Clare'S Retreat reports serving 67 people through 2 service connections in Santa Cruz County, California.
Where does St Clare'S Retreat 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 St Clare'S Retreat have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2021. 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 St Clare'S Retreat'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 one violation for this system; it is not health-based, and the most recent began in January 2021. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find St Clare'S Retreat's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. St Clare'S Retreat 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 Santa Cruz County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Santa Cruz Water Department | Santa Cruz | 94,626 | Community | Surface water |
| Watsonville, City of | Santa Cruz | 65,231 | Community | Surface water |
| Soquel Creek Water District | Santa Cruz | 40,809 | Community | Purchased surface water |
| San Lorenzo Valley Water Dist | Santa Cruz | 21,145 | Community | Surface water |
| Cabrillo College | Santa Cruz | 12,000 | Non-transient non-community | Groundwater |
| Scotts Valley Water District | Santa Cruz | 11,197 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “St Clare'S Retreat, PWSID CA4400913, California”, https://aquacensus.com/water-systems/california/st-clare-s-retreat-ca4400913 (data as of October 1, 2026).