Public water system · CA5500178
ActiveUsfs Beardsley Picnic Ground
At a glance
Usfs Beardsley Picnic Ground (PWSID CA5500178) is an active transient non-community water system in Tuolumne County, California. It reports serving 432 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in May 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
432
Service connections
5
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Usfs Beardsley Picnic Ground compare with other water systems in Tuolumne County?
By EPA's size categories, Usfs Beardsley Picnic Ground is a very small system (500 people or fewer). Tuolumne County has 117 active public water systems. Its population served is about 39% below the county average of 706 people per system, and accounts for 0.5% of the 82,611 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 Usfs Beardsley Picnic Ground is about 3 times 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 Usfs Beardsley Picnic Ground?
EPA lists Usfs Beardsley Picnic Ground as owned by the federal 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. 22 of the 117 active systems in Tuolumne County (19%) are also owned by the federal government.
Does Usfs Beardsley Picnic Ground have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in May 2016. The violations listed here began between January 1984 and May 2016. By type: 9 public notice, recordkeeping or other, 2 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Revised Total Coliform Rule, Nitrate and Total coliform bacteria (TCR). EPA lists 9 as archived and 3 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2016-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1999-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1984-09-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1984-08-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1984-07-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1984-06-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1984-05-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1984-04-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1984-03-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1984-02-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1984-01-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
The 12 most recent 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.
Usfs Beardsley Picnic Ground: frequently asked questions
Who runs Usfs Beardsley Picnic Ground?
Usfs Beardsley Picnic Ground (PWSID CA5500178) is a transient non-community water system owned by the federal government. It is regulated by the CA state drinking water program.
How many people does Usfs Beardsley Picnic Ground serve?
Usfs Beardsley Picnic Ground reports serving 432 people through 5 service connections in Tuolumne County, California.
Where does Usfs Beardsley Picnic Ground 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 Usfs Beardsley Picnic Ground have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in May 2016. 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 Usfs Beardsley Picnic Ground'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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in May 2016. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Usfs Beardsley Picnic Ground's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Usfs Beardsley Picnic Ground 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 Tuolumne County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Tud - Upper Basin Water System | Tuolumne | 13,280 | Community | Surface water |
| Tud - Sonora/Jamestown Water System | Tuolumne | 11,054 | Community | Surface water |
| Tud - Columbia Water System | Tuolumne | 5,463 | Community | Surface water |
| Peppery Bar and Grill, the | Tuolumne | 4,500 | Transient non-community | Groundwater |
| Cdcr - Sierra Conservation Center | Tuolumne | 3,571 | Community | Surface water |
| Groveland Community Serv Dist | Tuolumne | 3,400 | Community | Surface water |
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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, “Usfs Beardsley Picnic Ground, PWSID CA5500178, California”, https://aquacensus.com/water-systems/california/usfs-beardsley-picnic-ground-ca5500178 (data as of October 1, 2026).