Public water system · CA1310003
ActiveGswc - Calipatria
At a glance
Gswc - Calipatria (PWSID CA1310003) is an active community water system in Imperial County, California. It reports serving 7,363 people through 1,152 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 2 violations for this system; all are health-based, and the most recent began in March 2006.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
7,363
Service connections
1,152
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Gswc - Calipatria compare with other water systems in Imperial County?
By EPA's size categories, Gswc - Calipatria is a medium system (3,301 to 10,000 people). Imperial County has 76 active public water systems, and Gswc - Calipatria is the 6th-largest of them by population served. Its population served is about 3 times the county average of 2,444 people per system, and accounts for 4% 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 community water system reports serving 6,703 people, so Gswc - Calipatria is roughly in line with 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. 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 Gswc - Calipatria?
EPA lists Gswc - Calipatria 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. 46 of the 76 active systems in Imperial County (61%) are also privately owned.
Does Gswc - Calipatria have drinking water violations?
EPA's records list 2 violations for this system; all are health-based, and the most recent began in March 2006. The violations listed here began between December 2004 and March 2006. By type: 2 required treatment not met. The contaminants or rules involved are Interim Enhanced Surface Water Treatment Rule and Surface Water Treatment Rule. EPA lists 2 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 |
|---|---|---|---|---|
| 2006-03-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2004-12-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
All 2 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.
Gswc - Calipatria: frequently asked questions
Who runs Gswc - Calipatria?
Gswc - Calipatria (PWSID CA1310003) is a community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Gswc - Calipatria serve?
Gswc - Calipatria reports serving 7,363 people through 1,152 service connections in Imperial County, California.
Where does Gswc - Calipatria 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 Gswc - Calipatria have any drinking water violations?
EPA's records list 2 violations for this system; all are health-based, and the most recent began in March 2006. 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 Gswc - Calipatria'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 2 violations for this system; all are health-based, and the most recent began in March 2006. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Gswc - Calipatria's water quality report?
As a community water system, Gswc - Calipatria 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 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 |
| Heber Public Utility District | Imperial | 6,979 | 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, “Gswc - Calipatria, PWSID CA1310003, California”, https://aquacensus.com/water-systems/california/gswc-calipatria-ca1310003 (data as of October 1, 2026).