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Public water system · TX0190087

Active

Day & Zimmermann Lone Star

At a glance

Day & Zimmermann Lone Star (PWSID TX0190087) is an active non-transient non-community water system in Bowie County, Texas. It reports serving 171 people through 65 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by the federal government. EPA's records list 11 violations for this system; 6 are health-based, and the most recent began in July 2016.

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

Population served

171

Service connections

65

Primary source

SWP

Purchased surface water

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDTX0190087
System typeNon-transient non-community water system
Activity statusActive
Population served171
Service connections65
Primary water sourcePurchased surface water
Owner typeFederal government
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyBowie County

How does Day & Zimmermann Lone Star compare with other water systems in Bowie County?

By EPA's size categories, Day & Zimmermann Lone Star is a very small system (500 people or fewer). Bowie County has 20 active public water systems. Its population served is well below the county average of 4,709 people per system, and accounts for 0.2% of the 94,176 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Day & Zimmermann Lone Star is about 60% 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. Texas has 862 active non-transient non-community water systems, 12% of the state's 7,078 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 1,192 Texas systems (17%) list purchased surface water as their primary source.

Who owns and regulates Day & Zimmermann Lone Star?

EPA lists Day & Zimmermann Lone Star as owned by the federal government. The TX state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 1 of the 20 active systems in Bowie County (5%) are also owned by the federal government.

Does Day & Zimmermann Lone Star have drinking water violations?

EPA's records list 11 violations for this system; 6 are health-based, and the most recent began in July 2016. The violations listed here began between July 2007 and July 2016. By type: 6 contaminant level above the legal limit, 4 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (5 of them). EPA lists 11 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
2016-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2014-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2013-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2009-10-27Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2009-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2008-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2008-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2008-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2007-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2007-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved

All 11 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.

Day & Zimmermann Lone Star: frequently asked questions

Who runs Day & Zimmermann Lone Star?

Day & Zimmermann Lone Star (PWSID TX0190087) is a non-transient non-community water system owned by the federal government. It is regulated by the TX state drinking water program.

How many people does Day & Zimmermann Lone Star serve?

Day & Zimmermann Lone Star reports serving 171 people through 65 service connections in Bowie County, Texas.

Where does Day & Zimmermann Lone Star get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Day & Zimmermann Lone Star have any drinking water violations?

EPA's records list 11 violations for this system; 6 are health-based, and the most recent began in July 2016. 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 Day & Zimmermann Lone Star'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 11 violations for this system; 6 are health-based, and the most recent began in July 2016. For current results, consult EPA ECHO, or the TX state drinking water program.

Where can I find Day & Zimmermann Lone Star's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Day & Zimmermann Lone Star 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 Bowie County

Water systemCountyPopulation servedTypeSource
Texarkana Water UtilitiesBowie37,000CommunitySurface water
Macedonia Eylau MUD 1Bowie14,652CommunityPurchased surface water
Central Bowie County WSCBowie9,210CommunityPurchased surface water
City of New BostonBowie6,880CommunityPurchased surface water
City of Wake VillageBowie5,945CommunityPurchased surface water
City of RedwaterBowie4,356CommunityPurchased 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, “Day & Zimmermann Lone Star, PWSID TX0190087, Texas”, https://aquacensus.com/water-systems/texas/day-zimmermann-lone-star-tx0190087 (data as of October 1, 2026).