Public water system · CA2701202
ActiveCal Am Water Company - Chualar
At a glance
Cal Am Water Company - Chualar (PWSID CA2701202) is an active community water system in Monterey County, California. It reports serving 1,139 people through 195 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in May 1996.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,139
Service connections
195
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Cal Am Water Company - Chualar compare with other water systems in Monterey County?
By EPA's size categories, Cal Am Water Company - Chualar is a small system (501 to 3,300 people). Monterey County has 307 active public water systems. Its population served is about 27% 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 - Chualar 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 - Chualar?
EPA lists Cal Am Water Company - Chualar 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 - Chualar have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in May 1996. The violations listed here began between October 1980 and May 1996. By type: 2 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Gross alpha (excluding radon and uranium) (2 of them). EPA lists 2 as archived and 1 as resolved. 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. 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 |
|---|---|---|---|---|
| 1996-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Resolved |
| 1981-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
| 1980-10-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
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 - Chualar: frequently asked questions
Who runs Cal Am Water Company - Chualar?
Cal Am Water Company - Chualar (PWSID CA2701202) 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 - Chualar serve?
Cal Am Water Company - Chualar reports serving 1,139 people through 195 service connections in Monterey County, California.
Where does Cal Am Water Company - Chualar 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 - Chualar have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in May 1996. 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 - Chualar'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; 1 is health-based, and the most recent began in May 1996. 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 - Chualar's water quality report?
As a community water system, Cal Am Water Company - Chualar 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 - Chualar, PWSID CA2701202, California”, https://aquacensus.com/water-systems/california/cal-am-water-company-chualar-ca2701202 (data as of October 1, 2026).