Public water system · CA1100203
ActiveArtois Community S.D.
At a glance
Artois Community S.D. (PWSID CA1100203) is an active community water system in Glenn County, California. It reports serving 254 people through 81 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 8 are health-based, and the most recent began in October 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
254
Service connections
81
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Artois Community S.D. compare with other water systems in Glenn County?
By EPA's size categories, Artois Community S.D. is a very small system (500 people or fewer). Glenn County has 34 active public water systems. Its population served is well below the county average of 1,085 people per system, and accounts for 0.7% of the 36,902 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 Artois Community S.D. 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 Artois Community S.D.?
EPA lists Artois Community S.D. 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. 9 of the 34 active systems in Glenn County (26%) are also owned by a local government.
Does Artois Community S.D. have drinking water violations?
EPA's records list 10 violations for this system; 8 are health-based, and the most recent began in October 2015. The violations listed here began between June 1993 and October 2015. By type: 8 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 of them). EPA lists 10 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 |
|---|---|---|---|---|
| 2015-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-05-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1994-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1993-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 10 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.
Artois Community S.D.: frequently asked questions
Who runs Artois Community S.D.?
Artois Community S.D. (PWSID CA1100203) is a community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Artois Community S.D. serve?
Artois Community S.D. reports serving 254 people through 81 service connections in Glenn County, California.
Where does Artois Community S.D. 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 Artois Community S.D. have any drinking water violations?
EPA's records list 10 violations for this system; 8 are health-based, and the most recent began in October 2015. 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 Artois Community S.D.'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 10 violations for this system; 8 are health-based, and the most recent began in October 2015. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Artois Community S.D.'s water quality report?
As a community water system, Artois Community S.D. 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 Glenn County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Orland | Glenn | 8,298 | Community | Groundwater |
| Caltrans-Willows Reststop-Nb | Glenn | 7,500 | Transient non-community | Groundwater |
| Caltrans-Willows Reststop-Sb | Glenn | 7,500 | Transient non-community | Groundwater |
| Cal-Water Service Co.-Willows | Glenn | 7,240 | Community | Groundwater |
| Cal-Water Service Co.-Hamilton City | Glenn | 1,799 | Community | Groundwater |
| Sacramento Nat. Wildlife Refuge | Glenn | 824 | Transient non-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, “Artois Community S.D., PWSID CA1100203, California”, https://aquacensus.com/water-systems/california/artois-community-s-d-ca1100203 (data as of October 1, 2026).