Public water system record

City of Big Spring

Serves Big Spring, Howard County, TX · 27,282 people served

Federal records show 23 health-based violations and 9 monitoring/reporting issues for City of Big Spring 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.

  • TX1140001
  • BIG SPRING
  • TX
  • 27,282 served

System profile

Source water Surface water
ZIP 79720
EPA system ID TX1140001

Verify this system on EPA ECHO →

Health-based violations, last 10 years
23
Resolved
18
Unresolved
0
Archived by EPA
5
Any acute record
Yes
Monitoring issues, last 10 years
9

Key facts

  • City of Big Spring draws water from 3 surface water intakes.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.111 mg/L, federal limit 0.08 mg/L (1.4 times the limit), 2025.
  • Most recent formal enforcement: compliance order with a penalty by Texas, July 2022.
  • Record on file since 1984, with 25 health-based violations before October 20, 2016.
  • Lead pipe inventory: 2 lead and 462 unknown out of 9,970 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 0.111 mg/L, federal limit 0.08 mg/L (1.4 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 0.107 mg/L, federal limit 0.08 mg/L (1.3 times 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.096 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
220 Apr 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 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Jan 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 0.102 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
220 Oct 1, 2024 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 0.109 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
220 Jul 1, 2024 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.099 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
220 Apr 1, 2024 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Jan 1, 2024 Resolved Yes
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Jan 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 Apr 1, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Jan 1, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Oct 1, 2022 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
220 Oct 1, 2021 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Oct 1, 2021 Resolved Yes
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
220 Jul 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.097 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
220 Apr 1, 2021 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Feb 1, 2021 Resolved Yes
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.095 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
220 Jan 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
220 Oct 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Jul 1, 2020 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Jan 1, 2019 Resolved Yes
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Jan 1, 2017 Resolved Yes
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Dec 1, 2016 Resolved Yes

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Public Notice
OTHER
May 7, 2025 Resolved
Public Notice
OTHER
Oct 30, 2024 Resolved
Public Notice
OTHER
Jan 30, 2022 Resolved
Public Notice
OTHER
Jul 29, 2021 Resolved
Public Notice
OTHER
Mar 31, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2020 Resolved
Public Notice
OTHER
Sep 12, 2020 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2020 Resolved
Chlorine
Monitoring and reporting
Jan 1, 2020 Resolved

Full record since 1984

EPA's records for City of Big Spring go back to 1984. Before October 20, 2016 they list 25 health-based violations (22 resolved, 3 archived by EPA without a recorded fix) and 11 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 1 0
1990s 2 0
2000s 4 2
2010 to October 19, 2016 18 9
October 20, 2016 to 2019 3 0
2020s 20 9

Most recent health-based violation before October 20, 2016: Interim Enhanced Surface Water Treatment Rule (acute), began May 2016, Resolved.

Show all 25 health-based violations before October 20, 2016
Contaminant Start date Status
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
May 1, 2016 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Mar 1, 2015 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Jan 1, 2015 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 2014 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Feb 1, 2014 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Feb 1, 2014 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 2012 Resolved
Total Coliform
Contaminant limit exceeded
May 1, 2012 Resolved
Total Coliform
Contaminant limit exceeded
May 1, 2011 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Apr 1, 2011 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Oct 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Jul 1, 2010 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Apr 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
Apr 1, 2010 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Mar 1, 2010 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Feb 1, 2010 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Jan 1, 2010 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, 2010 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Dec 1, 2009 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Sep 1, 2009 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Sep 1, 2009 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 2007 Resolved
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1993 Archived
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 1993 Archived
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Oct 8, 1984 Archived

Enforcement actions

Texas regulators took 2 formal enforcement actions against City of Big Spring between 2013 and 2022. The most recent was a compliance order with a penalty in July 2022.

Date By Action Violations covered
Jul 7, 2022 Texas Compliance order with a penalty 7 violations (6 health-based): Total Trihalomethanes (TTHMs), Lead and Copper Rule
Apr 7, 2013 Texas Compliance order with a penalty 9 violations (9 health-based): Total Trihalomethanes (TTHMs), Interim Enhanced Surface Water Treatment Rule, Total Coliform

What the violations mean

Total Trihalomethanes (TTHMs)

17 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Interim Enhanced Surface Water Treatment Rule

6 incidents

The system did not meet a filtration or treatment requirement for surface water

Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through

Where the water comes from

City of Big Spring draws water from 3 surface water intakes. It also buys water from System TX1140038 and Colorado River Municipal Water District. 1 other community water system and 1 smaller public system such as schools, businesses or campgrounds buy water from City of Big Spring.

Buys water from

Community systems that buy water from it

Annual water quality report

City of Big Spring 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.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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.