Public water system · TX1500009
ActiveSandy Harbor Subdivision
At a glance
Sandy Harbor Subdivision (PWSID TX1500009) is an active community water system in Llano County, Texas. It reports serving 333 people through 113 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in July 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
333
Service connections
113
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Sandy Harbor Subdivision compare with other water systems in Llano County?
By EPA's size categories, Sandy Harbor Subdivision is a very small system (500 people or fewer). Llano County has 22 active public water systems. Its population served is well below the county average of 1,755 people per system, and accounts for 0.9% of the 38,598 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 Sandy Harbor Subdivision 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 Sandy Harbor Subdivision?
EPA lists Sandy Harbor Subdivision 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. 12 of the 22 active systems in Llano County (55%) are also privately owned.
Does Sandy Harbor Subdivision have drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in July 2019. The violations listed here began between April 2004 and July 2019. By type: 3 contaminant level above the legal limit, 2 public notice, recordkeeping or other and 2 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 7 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2019-07-22 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2019-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2019-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2018-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2004-08-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2004-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 7 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.
Sandy Harbor Subdivision: frequently asked questions
Who runs Sandy Harbor Subdivision?
Sandy Harbor Subdivision (PWSID TX1500009) is a community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Sandy Harbor Subdivision serve?
Sandy Harbor Subdivision reports serving 333 people through 113 service connections in Llano County, Texas.
Where does Sandy Harbor Subdivision 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 Sandy Harbor Subdivision have any drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in July 2019. 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 Sandy Harbor Subdivision'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 7 violations for this system; 3 are health-based, and the most recent began in July 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Sandy Harbor Subdivision's water quality report?
As a community water system, Sandy Harbor Subdivision 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 Llano County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kingsland WSC | Llano | 12,975 | Community | Surface water |
| City of Horseshoe Bay | Llano | 12,729 | Community | Surface water |
| City of Llano | Llano | 3,352 | Community | Surface water |
| Lake Buchanan | Llano | 2,484 | Community | Surface water |
| Tpwd Enchanted Rock Sna | Llano | 885 | Transient non-community | Groundwater |
| Camp Longhorn Main Camp | Llano | 800 | Transient non-community | 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, “Sandy Harbor Subdivision, PWSID TX1500009, Texas”, https://aquacensus.com/water-systems/texas/sandy-harbor-subdivision-tx1500009 (data as of October 1, 2026).