Public water system · CA4800596
ActiveRockwell Collins Inc.. (Fka Upco-Utas)
At a glance
Rockwell Collins Inc.. (Fka Upco-Utas) (PWSID CA4800596) is an active non-transient non-community water system in Solano County, California. It reports serving 477 people through 20 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
477
Service connections
20
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Rockwell Collins Inc.. (Fka Upco-Utas) compare with other water systems in Solano County?
By EPA's size categories, Rockwell Collins Inc.. (Fka Upco-Utas) is a very small system (500 people or fewer). Solano County has 63 active public water systems. Its population served is well below the county average of 7,509 people per system, and accounts for 0.1% of the 473,083 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Rockwell Collins Inc.. (Fka Upco-Utas) is about 11% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. California has 1,466 active non-transient non-community water systems, 20% 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 Rockwell Collins Inc.. (Fka Upco-Utas)?
EPA lists Rockwell Collins Inc.. (Fka Upco-Utas) 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. 40 of the 63 active systems in Solano County (63%) are also privately owned.
Does Rockwell Collins Inc.. (Fka Upco-Utas) have drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in October 2024. The violations listed here began between July 1993 and October 2024. By type: 2 monitoring and reporting, 1 required treatment not met, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Lead and Copper Rule Revisions (2 of them). EPA lists 3 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Unaddressed |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2016-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2012-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 5 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.
Rockwell Collins Inc.. (Fka Upco-Utas): frequently asked questions
Who runs Rockwell Collins Inc.. (Fka Upco-Utas)?
Rockwell Collins Inc.. (Fka Upco-Utas) (PWSID CA4800596) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Rockwell Collins Inc.. (Fka Upco-Utas) serve?
Rockwell Collins Inc.. (Fka Upco-Utas) reports serving 477 people through 20 service connections in Solano County, California.
Where does Rockwell Collins Inc.. (Fka Upco-Utas) 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 Rockwell Collins Inc.. (Fka Upco-Utas) have any drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in October 2024. 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 Rockwell Collins Inc.. (Fka Upco-Utas)'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 5 violations for this system; 2 are health-based, and the most recent began in October 2024. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Rockwell Collins Inc.. (Fka Upco-Utas)'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Rockwell Collins Inc.. (Fka Upco-Utas) is a non-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 Solano County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Vallejo | Solano | 121,420 | Community | Surface water |
| City of Fairfield | Solano | 120,377 | Community | Surface water |
| City of Vacaville | Solano | 99,650 | Community | Surface water |
| Suisun-Solano Water Authority | Solano | 29,105 | Community | Surface water |
| City of Benicia | Solano | 27,131 | Community | Surface water |
| California Water Service Co.-Travis Afb | Solano | 18,111 | 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, “Rockwell Collins Inc.. (Fka Upco-Utas), PWSID CA4800596, California”, https://aquacensus.com/water-systems/california/rockwell-collins-inc-fka-upco-utas-ca4800596 (data as of October 1, 2026).