Public water system · CA4100553
ActivePigeon Point Hostel
At a glance
Pigeon Point Hostel (PWSID CA4100553) is an active transient non-community water system in San Mateo County, California. It reports serving 67 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in August 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
67
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Pigeon Point Hostel compare with other water systems in San Mateo County?
By EPA's size categories, Pigeon Point Hostel is a very small system (500 people or fewer). San Mateo County has 51 active public water systems. Its population served is well below the county average of 15,363 people per system, and accounts for less than 0.1% of the 783,522 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 Pigeon Point Hostel 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 Pigeon Point Hostel?
EPA lists Pigeon Point Hostel as owned by a state government. 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. 5 of the 51 active systems in San Mateo County (9.8%) are also owned by a state government.
Does Pigeon Point Hostel have drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in August 2018. The violations listed here began between July 1996 and August 2018. By type: 2 public notice, recordkeeping or other, 2 monitoring and reporting and 1 required treatment not met. The contaminants or rules involved are Surface Water Treatment Rule, Nitrite and Total coliform bacteria (TCR). EPA lists 2 as archived, 2 as resolved and 1 as addressed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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. Addressed means the violation is not resolved or archived and is covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2018-08-01 | Public notice, recordkeeping or otherVariance/Exemption/Other Compliance · code 08 | Not reported | No | Archived |
| 2018-05-01 | Public notice, recordkeeping or otherVariance/Exemption/Other Compliance · code 08 | Not reported | No | Archived |
| 2013-09-13 | Required treatment not metFailure to Filter (SWTR) · code 42 | Surface Water Treatment Rulecode 0200 | Yes | Addressed |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 1996-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 5 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.
Pigeon Point Hostel: frequently asked questions
Who runs Pigeon Point Hostel?
Pigeon Point Hostel (PWSID CA4100553) is a transient non-community water system owned by a state government. It is regulated by the CA state drinking water program.
How many people does Pigeon Point Hostel serve?
Pigeon Point Hostel reports serving 67 people through 1 service connection in San Mateo County, California.
Where does Pigeon Point Hostel 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 Pigeon Point Hostel have any drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in August 2018. 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 Pigeon Point Hostel'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 5 violations for this system; 1 is health-based, and the most recent began in August 2018. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Pigeon Point Hostel's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Pigeon Point Hostel 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 San Mateo County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Daly City | San Mateo | 104,901 | Community | Purchased surface water |
| California Water Service - San Mateo | San Mateo | 102,348 | Community | Purchased surface water |
| City of Redwood City | San Mateo | 92,819 | Community | Purchased surface water |
| California Water Service-S San Francisco | San Mateo | 64,146 | Community | Purchased surface water |
| California Water Service - Bear Gulch | San Mateo | 61,431 | Community | Surface water |
| City of San Bruno | San Mateo | 42,631 | Community | Purchased surface water |
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, “Pigeon Point Hostel, PWSID CA4100553, California”, https://aquacensus.com/water-systems/california/pigeon-point-hostel-ca4100553 (data as of October 1, 2026).