Public water system record

Ashtabula County Water System

On record as serving Ashtabula County, OH · Serves 14,757 people

Federal records show 1 health-based violation and 1 monitoring/reporting issue for Ashtabula County Water System in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • OH0400803
  • JEFFERSON
  • OH
  • 14,757 served

System profile

Source water Purchased surface water
ZIP 44047
EPA system ID OH0400803

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
1

Key facts

  • Ashtabula County Water System buys its water from Aqua Ohio - Ashtabula.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit), 2020.
  • Most recent enforcement action: boil water order by Ohio, August 1989.
  • Record on file since 2004, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 553 unknown out of 5,639 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 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
220 Apr 1, 2020 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2025 Active

Full record since 2004

EPA's records for Ashtabula County Water System go back to 2004. Before October 19, 2016 they list no health-based violations and 3 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 0 3
2020s 1 1

Enforcement actions

Ohio regulators issued 1 boil water order to Ashtabula County Water System in 1989. The most recent was a boil water order in August 1989.

Date By Action Violations covered
Aug 26, 1989 Ohio Boil water order 1 violation

What the violations mean

Total Trihalomethanes (TTHMs)

1 incident

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Ashtabula County Water System buys its water from Aqua Ohio - Ashtabula. It lists no wells or intakes of its own. 2 other community water systems and 1 smaller public system such as schools, businesses or campgrounds buy water from Ashtabula County Water System. 1 other public water system has an emergency connection to Ashtabula County Water System.

Buys water from

Community systems that buy water from it

Annual water quality report

Ashtabula County Water System 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 Ohio.