Public water system · TX1780006
ActiveNueces County Wcid 4
At a glance
Nueces County Wcid 4 (PWSID TX1780006) is an active community water system in Nueces County, Texas. It reports serving 14,880 people through 5,305 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 6 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
14,880
Service connections
5,305
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Nueces County Wcid 4 compare with other water systems in Nueces County?
By EPA's size categories, Nueces County Wcid 4 is a large system (10,001 to 100,000 people). Nueces County has 20 active public water systems, and Nueces County Wcid 4 is the 2nd-largest of them by population served. Its population served is about 20% below the county average of 18,565 people per system, and accounts for 4% of the 371,295 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active community water system reports serving 6,703 people, so Nueces County Wcid 4 is about 122% above that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Texas has 4,594 active community water systems, 65% 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 Nueces County Wcid 4?
EPA lists Nueces County Wcid 4 as owned by a local 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. 10 of the 20 active systems in Nueces County (50%) are also owned by a local government.
Does Nueces County Wcid 4 have drinking water violations?
EPA's records list 10 violations for this system; 6 are health-based, and the most recent began in October 2024. The violations listed here began between July 1992 and October 2024. By type: 6 contaminant level above the legal limit and 4 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (4 of them). EPA lists 9 as resolved and 1 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2024-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2024-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2024-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2016-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2014-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2013-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1992-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 10 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.
Nueces County Wcid 4: frequently asked questions
Who runs Nueces County Wcid 4?
Nueces County Wcid 4 (PWSID TX1780006) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Nueces County Wcid 4 serve?
Nueces County Wcid 4 reports serving 14,880 people through 5,305 service connections in Nueces County, Texas.
Where does Nueces County Wcid 4 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 Nueces County Wcid 4 have any drinking water violations?
EPA's records list 10 violations for this system; 6 are health-based, and the most recent began in October 2024. 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 Nueces County Wcid 4'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 10 violations for this system; 6 are health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Nueces County Wcid 4's water quality report?
As a community water system, Nueces County Wcid 4 must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Nueces County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Corpus Christi | Nueces | 318,387 | Community | Surface water |
| Nueces County Wcid 3 | Nueces | 14,000 | Community | Surface water |
| Corpus Christi Naval Air Station | Nueces | 7,048 | Community | Purchased surface water |
| City of Bishop | Nueces | 3,186 | Community | Purchased surface water |
| Nueces WSC | Nueces | 3,165 | Community | Purchased surface water |
| River Acres WSC | Nueces | 2,700 | 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, “Nueces County Wcid 4, PWSID TX1780006, Texas”, https://aquacensus.com/water-systems/texas/nueces-county-wcid-4-tx1780006 (data as of October 1, 2026).