Public water system · CA4901329
ActivePepperwood Environmental Center
At a glance
Pepperwood Environmental Center (PWSID CA4901329) is an active transient non-community water system in Sonoma County, California. It reports serving 35 people through 6 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
35
Service connections
6
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Pepperwood Environmental Center compare with other water systems in Sonoma County?
By EPA's size categories, Pepperwood Environmental 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 transient non-community water system reports serving 144 people, so Pepperwood Environmental Center 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 Pepperwood Environmental Center?
EPA lists Pepperwood Environmental Center 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. 58 of the 441 active systems in Sonoma County (13%) are also owned by a local government.
Does Pepperwood Environmental Center have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Pepperwood Environmental Center. For the latest compliance status, check EPA ECHO for current compliance history.
Pepperwood Environmental Center: frequently asked questions
Who runs Pepperwood Environmental Center?
Pepperwood Environmental Center (PWSID CA4901329) 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 Pepperwood Environmental Center serve?
Pepperwood Environmental Center reports serving 35 people through 6 service connections in Sonoma County, California.
Where does Pepperwood Environmental 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 Pepperwood Environmental Center have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Pepperwood Environmental 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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Pepperwood Environmental Center's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Pepperwood Environmental Center 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 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, “Pepperwood Environmental Center, PWSID CA4901329, California”, https://aquacensus.com/water-systems/california/pepperwood-environmental-center-ca4901329 (data as of October 1, 2026).