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Public water system · CA2700853

Active

Altman Plants Ws #04 -Esp 420 (Prev Cs1)

At a glance

Altman Plants Ws #04 -Esp 420 (Prev Cs1) (PWSID CA2700853) is an active non-transient non-community water system in Monterey County, California. It reports serving 250 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in May 2009.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

250

Service connections

4

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCA2700853
System typeNon-transient non-community water system
Activity statusActive
Population served250
Service connections4
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyMonterey County

How does Altman Plants Ws #04 -Esp 420 (Prev Cs1) compare with other water systems in Monterey County?

By EPA's size categories, Altman Plants Ws #04 -Esp 420 (Prev Cs1) is a very small system (500 people or fewer). Monterey County has 307 active public water systems. Its population served is well below the county average of 1,552 people per system, and accounts for less than 0.1% 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 non-transient non-community water system reports serving 430 people, so Altman Plants Ws #04 -Esp 420 (Prev Cs1) is about 42% below 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 Altman Plants Ws #04 -Esp 420 (Prev Cs1)?

EPA lists Altman Plants Ws #04 -Esp 420 (Prev Cs1) 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 Altman Plants Ws #04 -Esp 420 (Prev Cs1) have drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in May 2009. The violations listed here began between May 2003 and May 2009. By type: 6 contaminant level above the legal limit and 6 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (12 of them). EPA lists 12 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.

BeganViolationContaminant or ruleHealth-basedStatus
2009-05-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2008-12-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2005-01-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2004-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2004-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2004-03-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2004-02-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved
2003-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2003-08-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2003-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2003-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

The 12 most recent 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.

Altman Plants Ws #04 -Esp 420 (Prev Cs1): frequently asked questions

Who runs Altman Plants Ws #04 -Esp 420 (Prev Cs1)?

Altman Plants Ws #04 -Esp 420 (Prev Cs1) (PWSID CA2700853) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Altman Plants Ws #04 -Esp 420 (Prev Cs1) serve?

Altman Plants Ws #04 -Esp 420 (Prev Cs1) reports serving 250 people through 4 service connections in Monterey County, California.

Where does Altman Plants Ws #04 -Esp 420 (Prev Cs1) 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 Altman Plants Ws #04 -Esp 420 (Prev Cs1) have any drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in May 2009. 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 Altman Plants Ws #04 -Esp 420 (Prev Cs1)'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. Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in May 2009. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Altman Plants Ws #04 -Esp 420 (Prev Cs1)'s water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Altman Plants Ws #04 -Esp 420 (Prev Cs1) 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 Monterey County

Water systemCountyPopulation servedTypeSource
Cwsc SalinasMonterey123,679CommunityGroundwater
Cal Am Water Company - MontereyMonterey92,450CommunityGroundwater under influence of surface water
Alco Water ServiceMonterey56,253CommunityGroundwater
Marina Coast Water DistrictMonterey38,377CommunityGroundwater
Soledad, City ofMonterey19,455CommunityGroundwater
Greenfield, City ofMonterey18,967CommunityGroundwater

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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, “Altman Plants Ws #04 -Esp 420 (Prev Cs1), PWSID CA2700853, California”, https://aquacensus.com/water-systems/california/altman-plants-ws-04-esp-420-prev-cs1-ca2700853 (data as of October 1, 2026).