Public water system · CA4500215
ActiveAntlers Shell / Subway
At a glance
Antlers Shell / Subway (PWSID CA4500215) is an active transient non-community water system in Shasta County, California. It reports serving 1,500 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in April 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,500
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Antlers Shell / Subway compare with other water systems in Shasta County?
By EPA's size categories, Antlers Shell / Subway is a small system (501 to 3,300 people). Shasta County has 174 active public water systems. Its population served is about 24% above the county average of 1,208 people per system, and accounts for 0.7% of the 210,209 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 Antlers Shell / Subway is about 10 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 Antlers Shell / Subway?
EPA lists Antlers Shell / Subway 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. 117 of the 174 active systems in Shasta County (67%) are also privately owned.
Does Antlers Shell / Subway have drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in April 2013. The violations listed here began between October 1982 and April 2013. By type: 3 monitoring and reporting, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 as resolved and 2 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2013-04-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1983-01-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1982-10-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
All 6 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.
Antlers Shell / Subway: frequently asked questions
Who runs Antlers Shell / Subway?
Antlers Shell / Subway (PWSID CA4500215) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Antlers Shell / Subway serve?
Antlers Shell / Subway reports serving 1,500 people through 1 service connection in Shasta County, California.
Where does Antlers Shell / Subway 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 Antlers Shell / Subway have any drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in April 2013. 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 Antlers Shell / Subway'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 6 violations for this system; 1 is health-based, and the most recent began in April 2013. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Antlers Shell / Subway's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Antlers Shell / Subway 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 Shasta County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Redding | Shasta | 89,628 | Community | Surface water |
| Bella Vista Water District | Shasta | 18,612 | Community | Surface water |
| City of Anderson | Shasta | 11,147 | Community | Groundwater |
| City of Shasta Lake | Shasta | 10,657 | Community | Surface water |
| Shasta District Fair | Shasta | 10,200 | Transient non-community | Groundwater |
| Clear Creek Csd-Anderson | Shasta | 8,900 | Community | 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, “Antlers Shell / Subway, PWSID CA4500215, California”, https://aquacensus.com/water-systems/california/antlers-shell-subway-ca4500215 (data as of October 1, 2026).