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Public water system · CA4200854

Active

Imerys Filtration Minerals, Inc.

At a glance

Imerys Filtration Minerals, Inc. (PWSID CA4200854) is an active non-transient non-community water system in Santa Barbara County, California. It reports serving 200 people through 22 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; 5 are health-based, and the most recent began in December 2023.

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

Population served

200

Service connections

22

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCA4200854
System typeNon-transient non-community water system
Activity statusActive
Population served200
Service connections22
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySanta Barbara County

How does Imerys Filtration Minerals, Inc. compare with other water systems in Santa Barbara County?

By EPA's size categories, Imerys Filtration Minerals, Inc. is a very small system (500 people or fewer). Santa Barbara County has 150 active public water systems. Its population served is well below the county average of 3,255 people per system, and accounts for less than 0.1% of the 488,317 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 Imerys Filtration Minerals, Inc. is about half of 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 Imerys Filtration Minerals, Inc.?

EPA lists Imerys Filtration Minerals, Inc. 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. 121 of the 150 active systems in Santa Barbara County (81%) are also privately owned.

Does Imerys Filtration Minerals, Inc. have drinking water violations?

EPA's records list 8 violations for this system; 5 are health-based, and the most recent began in December 2023. The violations listed here began between August 1997 and December 2023. By type: 5 contaminant level above the legal limit, 2 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 8 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
2023-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2012-10-24Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2004-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2003-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2002-02-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2000-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1997-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 8 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.

Imerys Filtration Minerals, Inc.: frequently asked questions

Who runs Imerys Filtration Minerals, Inc.?

Imerys Filtration Minerals, Inc. (PWSID CA4200854) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Imerys Filtration Minerals, Inc. serve?

Imerys Filtration Minerals, Inc. reports serving 200 people through 22 service connections in Santa Barbara County, California.

Where does Imerys Filtration Minerals, Inc. 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 Imerys Filtration Minerals, Inc. have any drinking water violations?

EPA's records list 8 violations for this system; 5 are health-based, and the most recent began in December 2023. 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 Imerys Filtration Minerals, Inc.'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 8 violations for this system; 5 are health-based, and the most recent began in December 2023. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Imerys Filtration Minerals, Inc.'s water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Imerys Filtration Minerals, Inc. 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 Santa Barbara County

Water systemCountyPopulation servedTypeSource
City of Santa Maria Utilities DepartmentSanta Barbara109,477CommunityPurchased surface water
City of Santa Barbara Water DepartmentSanta Barbara99,323CommunitySurface water
Goleta Water DistrictSanta Barbara84,462CommunitySurface water
Lompoc-City Water Utility DivSanta Barbara40,473CommunitySurface water
Golden State Water Company - OrcuttSanta Barbara34,102CommunityPurchased surface water
Carpinteria Valley Water DistrictSanta Barbara15,996CommunityPurchased 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, “Imerys Filtration Minerals, Inc., PWSID CA4200854, California”, https://aquacensus.com/water-systems/california/imerys-filtration-minerals-inc-ca4200854 (data as of October 1, 2026).