Public water system · CA5500274
ActiveDon Pedro Rec Ag:Blue Oaks
At a glance
Don Pedro Rec Ag:Blue Oaks (PWSID CA5500274) is an active transient non-community water system in Tuolumne County, California. It reports serving 296 people through 47 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 2 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
296
Service connections
47
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Don Pedro Rec Ag:Blue Oaks compare with other water systems in Tuolumne County?
By EPA's size categories, Don Pedro Rec Ag:Blue Oaks is a very small system (500 people or fewer). Tuolumne County has 117 active public water systems. Its population served is about 58% below the county average of 706 people per system, and accounts for 0.4% 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 Don Pedro Rec Ag:Blue Oaks is about twice 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 609 California systems (8.1%) list surface water as their primary source.
Who owns and regulates Don Pedro Rec Ag:Blue Oaks?
EPA lists Don Pedro Rec Ag:Blue Oaks as owned by a local 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. 17 of the 117 active systems in Tuolumne County (15%) are also owned by a local government.
Does Don Pedro Rec Ag:Blue Oaks have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2025. The violations listed here began between January 2021 and April 2025. By type: 1 monitoring and 1 monitoring and reporting. The contaminants or rules involved are Revised Total Coliform Rule and Nitrate. 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 |
|---|---|---|---|---|
| 2025-04-01 | MonitoringMonitoring, Lab Certification/Method Error (RTCR) · code 3D | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | 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.
Don Pedro Rec Ag:Blue Oaks: frequently asked questions
Who runs Don Pedro Rec Ag:Blue Oaks?
Don Pedro Rec Ag:Blue Oaks (PWSID CA5500274) is a transient non-community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Don Pedro Rec Ag:Blue Oaks serve?
Don Pedro Rec Ag:Blue Oaks reports serving 296 people through 47 service connections in Tuolumne County, California.
Where does Don Pedro Rec Ag:Blue Oaks get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Don Pedro Rec Ag:Blue Oaks have any drinking water violations?
EPA's records list 2 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 Don Pedro Rec Ag:Blue Oaks' 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; 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 Don Pedro Rec Ag:Blue Oaks' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Don Pedro Rec Ag:Blue Oaks 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, “Don Pedro Rec Ag:Blue Oaks, PWSID CA5500274, California”, https://aquacensus.com/water-systems/california/don-pedro-rec-ag-blue-oaks-ca5500274 (data as of October 1, 2026).