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Public water system record

City of Cibolo

Serves Cibolo, Guadalupe County, TX · 20,331 people served

Federal records show no health-based violations and 5 monitoring/reporting issues for City of Cibolo in the last ten years. At least one of these issues remains unresolved.

  • TX0940018
  • CIBOLO
  • TX
  • 20,331 served

System profile

Source water Purchased surface water
ZIP 78108
EPA system ID TX0940018

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
5

Key facts

  • City of Cibolo buys its water from Crwa Lake Dunlap WTP, Crwa Wells Ranch and City of Schertz.
  • Record on file since 2004, with 7 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 6,930 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.

None since October 2016.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Consumer Confidence Rule
OTHER
 Jul 1, 2025 Active
Lead and Copper Rule
Monitoring and reporting
 Dec 30, 2019 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2018 Resolved
Chlorine
Monitoring and reporting
 Apr 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
 Dec 30, 2016 Resolved

Full record since 2004

EPA's records for City of Cibolo go back to 2004. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 4 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 7 1
2010 to October 18, 2016 0 3
October 19, 2016 to 2019 0 4
2020s 0 1

Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began April 2005, Resolved.

Show all 7 health-based violations before October 19, 2016
Contaminant Start date Status
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.074 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 Apr 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.119 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
 Apr 1, 2005 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.08 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
 Jan 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.129 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
 Jan 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.13 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
 Oct 1, 2004 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.078 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
 Oct 1, 2004 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Jul 1, 2004 Resolved

Where the water comes from

City of Cibolo buys its water from Crwa Lake Dunlap WTP, Crwa Wells Ranch and City of Schertz. It lists no wells or intakes of its own. 1 other community water system buys water from City of Cibolo.

Buys water from

Community systems that buy water from it

Annual water quality report

City of Cibolo 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.

Certified drinking water labs by state EPA guidance for private wells