Public water system · CA1300546
ActiveGold Rock Ranch
At a glance
Gold Rock Ranch (PWSID CA1300546) is an active community water system in Imperial County, California. It reports serving 40 people through 21 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
40
Service connections
21
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Gold Rock Ranch compare with other water systems in Imperial County?
By EPA's size categories, Gold Rock Ranch 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 community water system reports serving 6,703 people, so Gold Rock Ranch 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 Gold Rock Ranch?
EPA lists Gold Rock Ranch 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 Gold Rock Ranch have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2023. The violations listed here began between January 2022 and November 2023. By type: 10 monitoring and reporting, 1 required treatment not met and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2023-11-04 | Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2023-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
The 12 most recent 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.
Gold Rock Ranch: frequently asked questions
Who runs Gold Rock Ranch?
Gold Rock Ranch (PWSID CA1300546) is a community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Gold Rock Ranch serve?
Gold Rock Ranch reports serving 40 people through 21 service connections in Imperial County, California.
Where does Gold Rock Ranch 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 Gold Rock Ranch have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2023. 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 Gold Rock Ranch'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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Gold Rock Ranch's water quality report?
As a community water system, Gold Rock Ranch 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 |
| 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, “Gold Rock Ranch, PWSID CA1300546, California”, https://aquacensus.com/water-systems/california/gold-rock-ranch-ca1300546 (data as of October 1, 2026).