Public water system · TX0700070
ActiveBuffalo Hills Water System
At a glance
Buffalo Hills Water System (PWSID TX0700070) is an active community water system in Ellis County, Texas. It reports serving 549 people through 183 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
549
Service connections
183
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Buffalo Hills Water System compare with other water systems in Ellis County?
By EPA's size categories, Buffalo Hills Water System is a small system (501 to 3,300 people). Ellis County has 26 active public water systems. Its population served is well below the county average of 9,591 people per system, and accounts for 0.2% of the 249,358 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 Buffalo Hills Water System 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. 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 Buffalo Hills Water System?
EPA lists Buffalo Hills Water System 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. 5 of the 26 active systems in Ellis County (19%) are also privately owned.
Does Buffalo Hills Water System have drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between October 1991 and October 2024. By type: 2 monitoring and reporting, 1 reporting, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule Revisions (2 of them). EPA lists 3 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2010-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 1991-10-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-10-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Archived |
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.
Buffalo Hills Water System: frequently asked questions
Who runs Buffalo Hills Water System?
Buffalo Hills Water System (PWSID TX0700070) is a community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Buffalo Hills Water System serve?
Buffalo Hills Water System reports serving 549 people through 183 service connections in Ellis County, Texas.
Where does Buffalo Hills Water System 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 Buffalo Hills Water System have any drinking water violations?
EPA's records list 5 violations for this system; 1 is 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 Buffalo Hills Water System'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; 1 is 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 Buffalo Hills Water System's water quality report?
As a community water system, Buffalo Hills Water System 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 Ellis County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Waxahachie | Ellis | 50,814 | Community | Surface water |
| Rockett Sud | Ellis | 46,614 | Community | Purchased surface water |
| City of Midlothian | Ellis | 27,699 | Community | Surface water |
| City of Ennis | Ellis | 24,891 | Community | Surface water |
| Mountain Peak Sud | Ellis | 23,988 | Community | Purchased surface water |
| Sardis Lone Elm WSC | Ellis | 20,736 | 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, “Buffalo Hills Water System, PWSID TX0700070, Texas”, https://aquacensus.com/water-systems/texas/buffalo-hills-water-system-tx0700070 (data as of October 1, 2026).