Public water system · TX1011526

Active

Lubrizol Deer Park Plant

At a glance

Lubrizol Deer Park Plant (PWSID TX1011526) is an active non-transient non-community water system in Harris County, Texas. It reports serving 600 people through 10 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in October 2025.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

600

Service connections

Primary source

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDTX1011526

System typeNon-transient non-community water system

Activity statusActive

Population served600

Service connections10

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyTX state drinking water program

City served—

StateTexas

ZIP—

CountyHarris County

How does Lubrizol Deer Park Plant compare with other water systems in Harris County?

By EPA's size categories, Lubrizol Deer Park Plant is a small system (501 to 3,300 people). Harris County has 1,246 active public water systems. Its population served is well below the county average of 4,849 people per system, and accounts for less than 0.1% of the 6,041,784 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 Lubrizol Deer Park Plant is about 40% above 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 5,215 Texas systems (74%) list groundwater as their primary source.

Who owns and regulates Lubrizol Deer Park Plant?

EPA lists Lubrizol Deer Park Plant as privately owned. 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. 732 of the 1,246 active systems in Harris County (59%) are also privately owned.

Does Lubrizol Deer Park Plant have drinking water violations?

EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in October 2025. The violations listed here began between December 2013 and October 2025. By type: 5 monitoring and reporting, 2 public notice, recordkeeping or other and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 7 as resolved, 1 as unaddressed and 1 as addressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. Addressed means the violation is not resolved or archived and is covered by formal enforcement.

Began	Violation	Contaminant or rule	Health-based	Status
2025-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Unaddressed
2024-06-23	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2023-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2018-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2017-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2016-07-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Addressed
2015-05-07	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2014-06-01	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2013-12-30	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved

All 9 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.

Lubrizol Deer Park Plant: frequently asked questions

Who runs Lubrizol Deer Park Plant?

Lubrizol Deer Park Plant (PWSID TX1011526) is a non-transient non-community water system privately owned. It is regulated by the TX state drinking water program.

How many people does Lubrizol Deer Park Plant serve?

Lubrizol Deer Park Plant reports serving 600 people through 10 service connections in Harris County, Texas.

Where does Lubrizol Deer Park Plant 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 Lubrizol Deer Park Plant have any drinking water violations?

EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in October 2025. 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 Lubrizol Deer Park Plant'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 9 violations for this system; 2 are health-based, and the most recent began in October 2025. For current results, consult EPA ECHO, or the TX state drinking water program.

Where can I find Lubrizol Deer Park Plant's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Lubrizol Deer Park Plant 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 Harris County

Water system	County	Population served	Type	Source
City of Houston	Harris	2,970,543	Community	Surface water
City of Pasadena	Harris	152,000	Community	Purchased surface water
Clear Lake City Water Authority	Harris	89,702	Community	Purchased surface water
City of Baytown	Harris	86,004	Community	Purchased surface water
City of Houston Ud 5 - Kingwood	Harris	80,073	Community	Groundwater
Harris County MUD 165	Harris	40,503	Community	Purchased 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, “Lubrizol Deer Park Plant, PWSID TX1011526, Texas”, https://aquacensus.com/water-systems/texas/lubrizol-deer-park-plant-tx1011526 (data as of October 1, 2026).