Public water system · CA1310302
ActiveSonny Bono Salton Sea Wildlife Refuge
At a glance
Sonny Bono Salton Sea Wildlife Refuge (PWSID CA1310302) is an active transient non-community water system in Imperial County, California. It reports serving 78 people through 6 service connections. Its primary water source is purchased surface water, 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 April 2002.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
78
Service connections
6
Primary source
SWP
Purchased surface water
System type
TNCWS
Transient non-community water system
System record
How does Sonny Bono Salton Sea Wildlife Refuge compare with other water systems in Imperial County?
By EPA's size categories, Sonny Bono Salton Sea Wildlife Refuge is a very small system (500 people or fewer). Imperial County has 76 active public water systems. Its population served is well below the county average of 2,444 people per system, and accounts for less than 0.1% of the 185,748 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 Sonny Bono Salton Sea Wildlife Refuge is about half of 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 506 California systems (6.8%) list purchased surface water as their primary source.
Who owns and regulates Sonny Bono Salton Sea Wildlife Refuge?
EPA lists Sonny Bono Salton Sea 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. 4 of the 76 active systems in Imperial County (5.3%) are also owned by the federal government.
Does Sonny Bono Salton Sea 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 April 2002. By type: 1 public notice, recordkeeping or other. 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 |
|---|---|---|---|---|
| 2002-04-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | 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.
Sonny Bono Salton Sea Wildlife Refuge: frequently asked questions
Who runs Sonny Bono Salton Sea Wildlife Refuge?
Sonny Bono Salton Sea Wildlife Refuge (PWSID CA1310302) 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 Sonny Bono Salton Sea Wildlife Refuge serve?
Sonny Bono Salton Sea Wildlife Refuge reports serving 78 people through 6 service connections in Imperial County, California.
Where does Sonny Bono Salton Sea Wildlife Refuge get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Sonny Bono Salton Sea 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 April 2002. 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 Sonny Bono Salton Sea 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 April 2002. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Sonny Bono Salton Sea Wildlife Refuge's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Sonny Bono Salton Sea 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 Imperial County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| El Centro, City of | Imperial | 43,772 | Community | Purchased surface water |
| Calexico, City of | Imperial | 40,357 | Community | Purchased surface water |
| Brawley, City of | Imperial | 26,862 | Community | Purchased surface water |
| Imperial, City of | Imperial | 21,591 | Community | Purchased surface water |
| Imperial Valley College | Imperial | 8,150 | Non-transient non-community | Surface water |
| Gswc - Calipatria | Imperial | 7,363 | 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, “Sonny Bono Salton Sea Wildlife Refuge, PWSID CA1310302, California”, https://aquacensus.com/water-systems/california/sonny-bono-salton-sea-wildlife-refuge-ca1310302 (data as of October 1, 2026).