Public water system · CA0300025
ActiveHam'S Station
At a glance
Ham'S Station (PWSID CA0300025) is an active transient non-community water system in Amador County, California. It reports serving 28 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; none is health-based, and the most recent began in April 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
28
Service connections
5
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Ham'S Station compare with other water systems in Amador County?
By EPA's size categories, Ham'S Station is a very small system (500 people or fewer). Amador County has 67 active public water systems. Its population served is well below the county average of 645 people per system, and accounts for less than 0.1% of the 43,217 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 Ham'S Station is well 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 Ham'S Station?
EPA lists Ham'S Station 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. 46 of the 67 active systems in Amador County (69%) are also privately owned.
Does Ham'S Station have drinking water violations?
EPA's records list 11 violations for this system; none is health-based, and the most recent began in April 2025. The violations listed here began between February 1983 and April 2025. By type: 5 monitoring and reporting, 3 monitoring and 3 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 8 as resolved and 3 as archived. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2013-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-05-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-10-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1983-08-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1983-05-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1983-02-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
All 11 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.
Ham'S Station: frequently asked questions
Who runs Ham'S Station?
Ham'S Station (PWSID CA0300025) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Ham'S Station serve?
Ham'S Station reports serving 28 people through 5 service connections in Amador County, California.
Where does Ham'S Station 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 Ham'S Station have any drinking water violations?
EPA's records list 11 violations for this system; none is health-based, and the most recent began in April 2025. 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 Ham'S Station'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 11 violations for this system; none is health-based, and the most recent began in April 2025. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Ham'S Station's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Ham'S Station 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 Amador County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Awa Buckhorn Plant | Amador | 8,791 | Community | Surface water |
| Awa, Ione | Amador | 7,227 | Community | Surface water |
| City of Jackson | Amador | 5,019 | Community | Purchased surface water |
| Awa, Tanner | Amador | 4,940 | Community | Surface water |
| Jackson Valley Irrigation District | Amador | 3,553 | Community | Surface water |
| Awa - Camanche Village | Amador | 2,402 | 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, “Ham'S Station, PWSID CA0300025, California”, https://aquacensus.com/water-systems/california/ham-s-station-ca0300025 (data as of October 1, 2026).