Public water system · CA4901314
ActiveOdiyan Buddhist Retreat Center
At a glance
Odiyan Buddhist Retreat Center (PWSID CA4901314) is an active community water system in Sonoma County, California. It reports serving 35 people through 8 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 2006.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
35
Service connections
8
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Odiyan Buddhist Retreat Center compare with other water systems in Sonoma County?
By EPA's size categories, Odiyan Buddhist Retreat Center is a very small system (500 people or fewer). Sonoma County has 441 active public water systems. Its population served is well below the county average of 1,092 people per system, and accounts for less than 0.1% of the 481,435 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active community water system reports serving 6,703 people, so Odiyan Buddhist Retreat Center is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. California has 2,997 active 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 Odiyan Buddhist Retreat Center?
EPA lists Odiyan Buddhist Retreat Center 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. 371 of the 441 active systems in Sonoma County (84%) are also privately owned.
Does Odiyan Buddhist Retreat Center 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 2006. 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 |
|---|---|---|---|---|
| 2006-01-01 | 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.
Odiyan Buddhist Retreat Center: frequently asked questions
Who runs Odiyan Buddhist Retreat Center?
Odiyan Buddhist Retreat Center (PWSID CA4901314) is a community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Odiyan Buddhist Retreat Center serve?
Odiyan Buddhist Retreat Center reports serving 35 people through 8 service connections in Sonoma County, California.
Where does Odiyan Buddhist Retreat Center 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 Odiyan Buddhist Retreat Center 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 2006. 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 Odiyan Buddhist Retreat Center'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 2006. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Odiyan Buddhist Retreat Center's water quality report?
As a community water system, Odiyan Buddhist Retreat Center must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Sonoma County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Santa Rosa, City of | Sonoma | 175,396 | Community | Groundwater |
| Petaluma, City of | Sonoma | 60,781 | Community | Groundwater |
| Rohnert Park, City of | Sonoma | 43,821 | Community | Groundwater |
| Windsor, Town of | Sonoma | 25,561 | Community | Groundwater |
| Valley of the Moon Water District | Sonoma | 23,107 | Community | Groundwater |
| Sonoma, City of | Sonoma | 11,725 | 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, “Odiyan Buddhist Retreat Center, PWSID CA4901314, California”, https://aquacensus.com/water-systems/california/odiyan-buddhist-retreat-center-ca4901314 (data as of October 1, 2026).