Public water system record

City of Post

Serves Post, Garza County, TX · 5,471 people served

Federal records show 2 health-based violations and 26 monitoring/reporting issues for City of Post in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • TX0850001
  • POST
  • TX
  • 5,471 served

System profile

Source water Purchased surface water
ZIP 79356
EPA system ID TX0850001

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
26

Key facts

  • City of Post draws water from 4 wells.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2024.
  • Record on file since 1992, with 8 health-based violations before October 19, 2016.
  • Lead pipe inventory: 2 lead and 834 unknown out of 1,524 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Apr 1, 2024 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Jan 1, 2024 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Public Notice
OTHER
Apr 28, 2024 Resolved
Public Notice
OTHER
Dec 31, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2023 Resolved
Public Notice
OTHER
Oct 15, 2022 Resolved
Public Notice
OTHER
Oct 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
May 1, 2021 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2021 Resolved
Chlorine
Monitoring and reporting
Jan 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2020 Resolved
Public Notice
OTHER
Oct 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2020 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2020 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2019 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2017 Resolved
Public Notice
OTHER
Jul 11, 2016 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2016 Resolved

Full record since 1992

EPA's records for City of Post go back to 1992. Before October 19, 2016 they list 8 health-based violations (6 resolved, 2 archived by EPA without a recorded fix) and 13 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 2 7
2000s 5 1
2010 to October 18, 2016 1 5
October 19, 2016 to 2019 0 3
2020s 2 21

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began July 2013, Resolved.

Show all 8 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Jul 1, 2013 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Jan 1, 2007 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.066 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
Oct 1, 2006 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.102 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
Oct 1, 2006 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
Jul 1, 2006 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.096 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
Jul 1, 2006 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 1993 Archived
Total Coliform
Contaminant limit exceeded
Sep 1, 1992 Archived

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

City of Post draws water from 4 wells. It also buys water from White River MWD and City of Slaton.

Buys water from

Annual water quality report

City of Post 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.