Public water system · TX2270044
ActiveMystic Oaks Water
At a glance
Mystic Oaks Water (PWSID TX2270044) is an active community water system in Travis County, Texas. It reports serving 132 people through 44 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
132
Service connections
44
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mystic Oaks Water compare with other water systems in Travis County?
By EPA's size categories, Mystic Oaks Water is a very small system (500 people or fewer). Travis County has 138 active public water systems. Its population served is well below the county average of 11,267 people per system, and accounts for less than 0.1% of the 1,554,848 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 Mystic Oaks Water 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 Mystic Oaks Water?
EPA lists Mystic Oaks Water 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. 66 of the 138 active systems in Travis County (48%) are also owned by a local government.
Does Mystic Oaks Water have drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 2025. The violations listed here began between July 2009 and July 2025. By type: 7 contaminant level above the legal limit, 3 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Fluoride (8 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2013-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2012-04-06 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2011-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Fluoridecode 1025 | Yes | Resolved |
| 2011-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Fluoridecode 1025 | Yes | Resolved |
| 2010-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2010-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Fluoridecode 1025 | Yes | Resolved |
| 2010-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Fluoridecode 1025 | Yes | Resolved |
| 2010-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Fluoridecode 1025 | Yes | Resolved |
| 2009-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Fluoridecode 1025 | Yes | Resolved |
| 2009-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Fluoridecode 1025 | Yes | Resolved |
The 12 most recent 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.
Mystic Oaks Water: frequently asked questions
Who runs Mystic Oaks Water?
Mystic Oaks Water (PWSID TX2270044) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Mystic Oaks Water serve?
Mystic Oaks Water reports serving 132 people through 44 service connections in Travis County, Texas.
Where does Mystic Oaks Water 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 Mystic Oaks Water have any drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are 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 Mystic Oaks Water'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. Of the 12 most recent violations in EPA's records, 7 are 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 Mystic Oaks Water's water quality report?
As a community water system, Mystic Oaks Water 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 Travis County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Austin Water & Wastewater | Travis | 1,115,323 | Community | Surface water |
| City of Pflugerville | Travis | 63,464 | Community | Surface water |
| Travis County Wcid 17 | Travis | 45,165 | Community | Surface water |
| Manville WSC | Travis | 39,648 | Community | Purchased surface water |
| West Travis County Public Utility Agency | Travis | 35,664 | Community | Surface water |
| Windermere Community | Travis | 21,231 | 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, “Mystic Oaks Water, PWSID TX2270044, Texas”, https://aquacensus.com/water-systems/texas/mystic-oaks-water-tx2270044 (data as of October 1, 2026).