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Public water system record

Canyon Park WSC

Serves Onalaska, Polk County, TX · 1,200 people served

Federal records show 1 health-based violation and 8 monitoring/reporting issues for Canyon Park WSC in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

  • TX1870034
  • ONALASKA
  • TX
  • 1,200 served

System profile

Source water Groundwater
ZIP 77360
EPA system ID TX1870034

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
8

Key facts

  • Canyon Park WSC draws water from 2 wells.
  • Record on file since 2005, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 443 service lines.

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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
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
 350 Oct 17, 2024 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Revised Total Coliform Rule
Monitoring violation
 Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Consumer Confidence Rule
OTHER
 Jul 1, 2025 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
 Oct 17, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
 Dec 30, 2019 Resolved
E. coli
Monitoring and reporting
 Jul 1, 2017 Resolved
E. coli
Monitoring and reporting
 Dec 1, 2016 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2016 Resolved
Public Notice
OTHER
 Oct 10, 2015 Resolved

Full record since 2005

EPA's records for Canyon Park WSC go back to 2005. Before October 19, 2016 they list no health-based violations and 5 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 0 1
2010 to October 18, 2016 0 4
October 19, 2016 to 2019 0 3
2020s 1 3

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Canyon Park WSC draws water from 2 wells.

Annual water quality report

Canyon Park WSC 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