Public water system · TX1380013
ActiveKnox County Rural Sud
At a glance
Knox County Rural Sud (PWSID TX1380013) is an active community water system in Knox County, Texas. It reports serving 393 people through 131 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
393
Service connections
131
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Knox County Rural Sud compare with other water systems in Knox County?
By EPA's size categories, Knox County Rural Sud is a very small system (500 people or fewer). Knox County has 8 active public water systems, and Knox County Rural Sud is the 3rd-largest of them by population served. Its population served is about 17% below the county average of 476 people per system, and accounts for 10% of the 3,810 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 Knox County Rural Sud is well below 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 Knox County Rural Sud?
EPA lists Knox County Rural Sud 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. 8 of the 8 active systems in Knox County (100%) are also owned by a local government.
Does Knox County Rural Sud have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between January 2020 and July 2025. By type: 3 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 4 as resolved and 1 as unaddressed. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2024-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-03-24 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2021-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2020-01-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
All 5 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.
Knox County Rural Sud: frequently asked questions
Who runs Knox County Rural Sud?
Knox County Rural Sud (PWSID TX1380013) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Knox County Rural Sud serve?
Knox County Rural Sud reports serving 393 people through 131 service connections in Knox County, Texas.
Where does Knox County Rural Sud 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 Knox County Rural Sud have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 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 Knox County Rural Sud'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 5 violations for this system; none is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Knox County Rural Sud's water quality report?
As a community water system, Knox County Rural Sud 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 Knox County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Munday | Knox | 1,478 | Community | Purchased surface water |
| City of Knox City | Knox | 1,037 | Community | Purchased surface water |
| Rra Truscott Gilliland Water System | Knox | 243 | Community | Purchased surface water |
| City of Benjamin | Knox | 235 | Community | Purchased surface water |
| City of Goree Water System | Knox | 156 | Community | Purchased surface water |
| Rhineland WSC | Knox | 136 | Community | Purchased surface water |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Knox County Rural Sud, PWSID TX1380013, Texas”, https://aquacensus.com/water-systems/texas/knox-county-rural-sud-tx1380013 (data as of October 1, 2026).