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Public water system · LA2011029

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Ingevity South Carolina - Deridder Ws

At a glance

Ingevity South Carolina - Deridder Ws (PWSID LA2011029) is an active non-transient non-community water system in Beauregard Parish County, Louisiana. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in October 2019.

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

Population served

25

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDLA2011029
System typeNon-transient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyLA state drinking water program
City served—
StateLouisiana
ZIP—
CountyBeauregard Parish County

How does Ingevity South Carolina - Deridder Ws compare with other water systems in Beauregard Parish County?

By EPA's size categories, Ingevity South Carolina - Deridder Ws is a very small system (500 people or fewer). Beauregard Parish County has 8 active public water systems. Its population served is well below the county average of 6,058 people per system, and accounts for less than 0.1% of the 48,460 people reported by systems filed under the county. Across Louisiana, the 1,121 active systems average 4,685 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Ingevity South Carolina - Deridder Ws is well 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. Louisiana has 125 active non-transient non-community water systems, 11% of the state's 1,121 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 966 Louisiana systems (86%) list groundwater as their primary source.

Who owns and regulates Ingevity South Carolina - Deridder Ws?

EPA lists Ingevity South Carolina - Deridder Ws as privately owned. The LA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 2 of the 8 active systems in Beauregard Parish County (25%) are also privately owned.

Does Ingevity South Carolina - Deridder Ws have drinking water violations?

EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in October 2019. The violations listed here began between April 1999 and October 2019. By type: 4 contaminant level above the legal limit and 3 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 5 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.

BeganViolationContaminant or ruleHealth-basedStatus
2019-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2013-12-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2012-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2009-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2007-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1999-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived

All 7 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.

Ingevity South Carolina - Deridder Ws: frequently asked questions

Who runs Ingevity South Carolina - Deridder Ws?

Ingevity South Carolina - Deridder Ws (PWSID LA2011029) is a non-transient non-community water system privately owned. It is regulated by the LA state drinking water program.

How many people does Ingevity South Carolina - Deridder Ws serve?

Ingevity South Carolina - Deridder Ws reports serving 25 people through 1 service connection in Beauregard Parish County, Louisiana.

Where does Ingevity South Carolina - Deridder Ws 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 Ingevity South Carolina - Deridder Ws have any drinking water violations?

EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in October 2019. 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 Ingevity South Carolina - Deridder Ws' 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 7 violations for this system; 4 are health-based, and the most recent began in October 2019. For current results, consult EPA ECHO, or the LA state drinking water program.

Where can I find Ingevity South Carolina - Deridder Ws' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Ingevity South Carolina - Deridder Ws 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 Beauregard Parish County

Water systemCountyPopulation servedTypeSource
Beauregard Water Works Dist #3Beauregard Parish24,000CommunityGroundwater
City of Deridder Water SystemBeauregard Parish14,400CommunityGroundwater
Beauregard District No 2 Ward No 5Beauregard Parish6,613CommunityGroundwater
Town of Merryville Water SystemBeauregard Parish1,107CommunityGroundwater
Beauregard Waterworks District No. 6Beauregard Parish993CommunityGroundwater
Beauregard Water District #5Beauregard Parish672CommunityGroundwater

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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, “Ingevity South Carolina - Deridder Ws, PWSID LA2011029, Louisiana”, https://aquacensus.com/water-systems/louisiana/ingevity-south-carolina-deridder-ws-la2011029 (data as of October 1, 2026).