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Public water system record

SJWTX Glenwood Subdivision

Serves an area of Comal County, TX · 2,985 people served

Federal records show 2 health-based violations and 4 monitoring/reporting issues for SJWTX Glenwood Subdivision in the last ten years. The most serious issue in this window was a Total Trihalomethanes (TTHMs) violation that EPA lists as archived, not resolved.

  • TX0460246
  • CANYON LAKE
  • TX
  • 2,985 served

System profile

Source water Purchased surface water
ZIP 78133
EPA system ID TX0460246

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
0
Unresolved
0
Archived by EPA
2
Any acute record
No
Monitoring issues, last 10 years
4

Key facts

  • SJWTX Glenwood Subdivision buys its water from Gbra Western Canyon Water Supply.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.101 mg/L, federal limit 0.08 mg/L (1.3 times the limit), 2025.
  • Record on file since 2004, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 44 unknown out of 692 service lines.

Check whether SJWTX Glenwood Subdivision serves your address

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.101 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 220 Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Dec 23, 2025 Active
Public Notice
OTHER
 Jun 23, 2024 Resolved
Chlorine
Monitoring and reporting
 Apr 1, 2023 Resolved
Chlorine
Monitoring and reporting
 Jan 1, 2023 Resolved

Full record since 2004

EPA's records for SJWTX Glenwood Subdivision go back to 2004. Before October 19, 2016 they list no health-based violations and 13 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 0 13
2020s 2 4

What the violations mean

Total Trihalomethanes (TTHMs)

2 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

SJWTX Glenwood Subdivision buys its water from Gbra Western Canyon Water Supply. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

SJWTX Glenwood Subdivision must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Texas.

Certified drinking water labs by state EPA guidance for private wells