Public water system record

Cairo Water Department

Serves an area of Ritchie County, WV that includes Cairo · 339 people served

Federal records show 4 health-based violations and 35 monitoring/reporting issues for Cairo Water Department in the last ten years. The most serious issue in this window was a resolved Long Term 2 Enhanced Surface Water Treatment Rule violation.

  • WV3304301
  • CAIRO
  • WV
  • 339 served

System profile

Source water Purchased surface water
ZIP 26337
EPA system ID WV3304301

Verify this system on EPA ECHO →

Health-based violations, last 10 years
4
Resolved
4
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
35

Key facts

  • Cairo Water Department buys its water from Hughes River Water.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 106 µg/L, federal limit 80 µg/L (1.3 times the limit), 2016.
  • Most recent formal enforcement: compliance order (no penalty) by West Virginia, August 2017.
  • Record on file since 1993, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 173 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
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Dec 20, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 90 µg/L, federal limit 80 µg/L (1.1 times the limit)
220 Apr 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 105 µg/L, federal limit 80 µg/L (1.3 times the limit)
220 Jan 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 106 µg/L, federal limit 80 µg/L (1.3 times the limit)
220 Oct 1, 2016 Resolved 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 30, 2025 Active
Chlorine
Monitoring and reporting
Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
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.
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2023 Resolved
Chlorine
Monitoring and reporting
Oct 1, 2023 Resolved
Public Notice
OTHER
Aug 16, 2023 Resolved
Public Notice
OTHER
Aug 16, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2022 Resolved
Public Notice
OTHER
Jun 16, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Mar 1, 2022 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Mar 1, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
May 1, 2021 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2021 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2021 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2021 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Mar 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Haloacetic Acids (HAA5)
Monitoring and reporting
Mar 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
May 11, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jun 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jun 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jun 30, 2017 Resolved
Long Term 2 Enhanced Surface Water Treatment Rule
OTHER
Oct 27, 2016 Resolved
Public Notice
OTHER
Oct 22, 2016 Resolved
Public Notice
OTHER
Sep 29, 2005 Active

Full record since 1993

EPA's records for Cairo Water Department go back to 1993. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 43 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 2
2000s 1 34
2010 to October 18, 2016 2 7
October 19, 2016 to 2019 3 5
2020s 0 29

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

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 106 µg/L, federal limit 80 µg/L (1.3 times the limit)
Oct 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 100 µg/L, federal limit 80 µg/L (1.3 times the limit)
Jul 1, 2016 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 2004 Resolved
Surface Water Treatment Rule
Treatment technique failure
Feb 1, 1995 Resolved

Enforcement actions

West Virginia regulators took 1 formal enforcement action against Cairo Water Department and issued 1 boil water order between 2002 and 2017. The most recent was a compliance order (no penalty) in August 2017.

Date By Action Violations covered
Aug 8, 2017 West Virginia Compliance order (no penalty) 5 violations (4 health-based): Total Trihalomethanes (TTHMs)
Dec 18, 2002 West Virginia Boil water order 1 violation

What the violations mean

Total Trihalomethanes (TTHMs)

3 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Long Term 2 Enhanced Surface Water Treatment Rule

1 incident

The system failed required surface water treatment or filtration standards

Untreated or inadequately treated surface water can contain bacteria and viruses

Where the water comes from

Cairo Water Department buys its water from Hughes River Water. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Cairo Water Department 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Cairo Water Department for a copy.

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 West Virginia.