Public water system · CA0400150
ActiveSunset Moulding Chico
At a glance
Sunset Moulding Chico (PWSID CA0400150) is an active non-transient non-community water system in Butte County, California. It reports serving 41 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
41
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Sunset Moulding Chico compare with other water systems in Butte County?
By EPA's size categories, Sunset Moulding Chico is a very small system (500 people or fewer). Butte County has 86 active public water systems. Its population served is well below the county average of 2,697 people per system, and accounts for less than 0.1% of the 231,911 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Sunset Moulding Chico is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. California has 1,466 active non-transient non-community water systems, 20% 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 Sunset Moulding Chico?
EPA lists Sunset Moulding Chico 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. 58 of the 86 active systems in Butte County (67%) are also privately owned.
Does Sunset Moulding Chico 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 Sunset Moulding Chico. For the latest compliance status, check EPA ECHO for current compliance history.
Sunset Moulding Chico: frequently asked questions
Who runs Sunset Moulding Chico?
Sunset Moulding Chico (PWSID CA0400150) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Sunset Moulding Chico serve?
Sunset Moulding Chico reports serving 41 people through 2 service connections in Butte County, California.
Where does Sunset Moulding Chico 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 Sunset Moulding Chico have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Sunset Moulding Chico'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 Sunset Moulding Chico's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Sunset Moulding Chico is a non-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 Butte County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cal-Water Service Co.-Chico | Butte | 114,925 | Community | Groundwater |
| South Feather W&P - Miners Ranch | Butte | 22,664 | Community | Surface water |
| Butte-Glenn Community College Dist | Butte | 18,000 | Non-transient non-community | Groundwater |
| Thermalito Water & Sewer Dist | Butte | 12,136 | Community | Surface water |
| Cal-Water Service Co.-Oroville | Butte | 11,106 | Community | Surface water |
| Del Oro Water Co.-Paradise Pines | Butte | 10,940 | Community | Purchased 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, “Sunset Moulding Chico, PWSID CA0400150, California”, https://aquacensus.com/water-systems/california/sunset-moulding-chico-ca0400150 (data as of October 1, 2026).