Public water system · CA0510016
ActiveCcwd - Ebbetts Pass
At a glance
Ccwd - Ebbetts Pass (PWSID CA0510016) is an active community water system in Calaveras County, California. It reports serving 11,545 people through 5,990 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 7 are health-based, and the most recent began in October 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
11,545
Service connections
5,990
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Ccwd - Ebbetts Pass compare with other water systems in Calaveras County?
By EPA's size categories, Ccwd - Ebbetts Pass is a large system (10,001 to 100,000 people). Calaveras County has 51 active public water systems, and Ccwd - Ebbetts Pass is the largest of them by population served. Its population served is about 10 times the county average of 1,102 people per system, and accounts for 21% of the 56,208 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 Ccwd - Ebbetts Pass is about 72% above 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 609 California systems (8.1%) list surface water as their primary source.
Who owns and regulates Ccwd - Ebbetts Pass?
EPA lists Ccwd - Ebbetts Pass as owned by a local 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. 12 of the 51 active systems in Calaveras County (24%) are also owned by a local government.
Does Ccwd - Ebbetts Pass have drinking water violations?
EPA's records list 9 violations for this system; 7 are health-based, and the most recent began in October 2022. The violations listed here began between July 1987 and October 2022. By type: 6 contaminant level above the legal limit, 2 public notice, recordkeeping or other and 1 required treatment not met. The contaminant or rule involved most often is Haloacetic acids (HAA5) (5 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2022-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2021-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2021-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2020-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2007-01-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2003-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 1993-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1987-08-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1987-07-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
All 9 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.
Ccwd - Ebbetts Pass: frequently asked questions
Who runs Ccwd - Ebbetts Pass?
Ccwd - Ebbetts Pass (PWSID CA0510016) is a community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Ccwd - Ebbetts Pass serve?
Ccwd - Ebbetts Pass reports serving 11,545 people through 5,990 service connections in Calaveras County, California.
Where does Ccwd - Ebbetts Pass get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Ccwd - Ebbetts Pass have any drinking water violations?
EPA's records list 9 violations for this system; 7 are health-based, and the most recent began in October 2022. 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 Ccwd - Ebbetts Pass' 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 9 violations for this system; 7 are health-based, and the most recent began in October 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Ccwd - Ebbetts Pass' water quality report?
As a community water system, Ccwd - Ebbetts Pass 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 Calaveras County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ccwd - Jenny Lind | Calaveras | 9,861 | Community | Surface water |
| Calaveras PUD | Calaveras | 6,286 | Community | Surface water |
| Ccwd - Copper Cove | Calaveras | 5,187 | Community | Surface water |
| Blue Lake Springs Mut Wtr | Calaveras | 4,841 | Community | Purchased surface water |
| Union Public Utility District | Calaveras | 4,774 | Community | Surface water |
| Angels, City of | Calaveras | 3,836 | 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, “Ccwd - Ebbetts Pass, PWSID CA0510016, California”, https://aquacensus.com/water-systems/california/ccwd-ebbetts-pass-ca0510016 (data as of October 1, 2026).