Public water system · CA1100250
ActiveSacramento Nat. Wildlife Refuge
At a glance
Sacramento Nat. Wildlife Refuge (PWSID CA1100250) is an active transient non-community water system in Glenn County, California. It reports serving 824 people through 8 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
824
Service connections
8
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Sacramento Nat. Wildlife Refuge compare with other water systems in Glenn County?
By EPA's size categories, Sacramento Nat. Wildlife Refuge is a small system (501 to 3,300 people). Glenn County has 34 active public water systems, and Sacramento Nat. Wildlife Refuge is the 6th-largest of them by population served. Its population served is about 24% below the county average of 1,085 people per system, and accounts for 2.2% 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 transient non-community water system reports serving 144 people, so Sacramento Nat. Wildlife Refuge is about 5.7 times 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 Sacramento Nat. Wildlife Refuge?
EPA lists Sacramento Nat. Wildlife Refuge as owned by the federal 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. 2 of the 34 active systems in Glenn County (5.9%) are also owned by the federal government.
Does Sacramento Nat. Wildlife Refuge have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2018. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. 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 |
|---|---|---|---|---|
| 2018-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | 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.
Sacramento Nat. Wildlife Refuge: frequently asked questions
Who runs Sacramento Nat. Wildlife Refuge?
Sacramento Nat. Wildlife Refuge (PWSID CA1100250) is a transient non-community water system owned by the federal government. It is regulated by the CA state drinking water program.
How many people does Sacramento Nat. Wildlife Refuge serve?
Sacramento Nat. Wildlife Refuge reports serving 824 people through 8 service connections in Glenn County, California.
Where does Sacramento Nat. Wildlife Refuge 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 Sacramento Nat. Wildlife Refuge 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 July 2018. 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 Sacramento Nat. Wildlife Refuge'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 July 2018. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Sacramento Nat. Wildlife Refuge's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Sacramento Nat. Wildlife Refuge 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 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 |
| Johns Manville | Glenn | 340 | Non-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, “Sacramento Nat. Wildlife Refuge, PWSID CA1100250, California”, https://aquacensus.com/water-systems/california/sacramento-nat-wildlife-refuge-ca1100250 (data as of October 1, 2026).