Public water system · CA2710006
ActiveCal Am Water Company - Ambler Park
At a glance
Cal Am Water Company - Ambler Park (PWSID CA2710006) is an active community water system in Monterey County, California. It reports serving 980 people through 413 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in June 1998.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
980
Service connections
413
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Cal Am Water Company - Ambler Park compare with other water systems in Monterey County?
By EPA's size categories, Cal Am Water Company - Ambler Park is a small system (501 to 3,300 people). Monterey County has 307 active public water systems. Its population served is about 37% below the county average of 1,552 people per system, and accounts for 0.2% of the 476,419 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 Cal Am Water Company - Ambler Park 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 Cal Am Water Company - Ambler Park?
EPA lists Cal Am Water Company - Ambler Park 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. 266 of the 307 active systems in Monterey County (87%) are also privately owned.
Does Cal Am Water Company - Ambler Park have drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in June 1998. The violations listed here began between January 1993 and June 1998. By type: 2 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 1998-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1993-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 3 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.
Cal Am Water Company - Ambler Park: frequently asked questions
Who runs Cal Am Water Company - Ambler Park?
Cal Am Water Company - Ambler Park (PWSID CA2710006) is a community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Cal Am Water Company - Ambler Park serve?
Cal Am Water Company - Ambler Park reports serving 980 people through 413 service connections in Monterey County, California.
Where does Cal Am Water Company - Ambler Park 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 Cal Am Water Company - Ambler Park have any drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in June 1998. 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 Cal Am Water Company - Ambler Park'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 3 violations for this system; 2 are health-based, and the most recent began in June 1998. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Cal Am Water Company - Ambler Park's water quality report?
As a community water system, Cal Am Water Company - Ambler Park 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 Monterey County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cwsc Salinas | Monterey | 123,679 | Community | Groundwater |
| Cal Am Water Company - Monterey | Monterey | 92,450 | Community | Groundwater under influence of surface water |
| Alco Water Service | Monterey | 56,253 | Community | Groundwater |
| Marina Coast Water District | Monterey | 38,377 | Community | Groundwater |
| Soledad, City of | Monterey | 19,455 | Community | Groundwater |
| Greenfield, City of | Monterey | 18,967 | Community | Groundwater |
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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, “Cal Am Water Company - Ambler Park, PWSID CA2710006, California”, https://aquacensus.com/water-systems/california/cal-am-water-company-ambler-park-ca2710006 (data as of October 1, 2026).