Public water system record

Knox County Water and Wastewater PWS

Serves Apple Valley, Knox County, OH · 7,710 people served

Federal records show no health-based violations and 3 monitoring/reporting issues for Knox County Water and Wastewater PWS in the last ten years. At least one of these issues remains unresolved.

  • OH4202012
  • MOUNT VERNON
  • OH
  • 7,710 served

System profile

Source water Groundwater
ZIP 43050
EPA system ID OH4202012

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
3

Key facts

  • Knox County Water and Wastewater PWS draws water from 5 wells (1 of them for emergency, seasonal or other part-time use).
  • Record on file since 2004, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 3,179 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
Nov 24, 2025 Active
Consumer Confidence Rule
OTHER
Sep 21, 2022 Active
Consumer Confidence Rule
OTHER
Nov 4, 2020 Resolved

Full record since 2004

EPA's records for Knox County Water and Wastewater PWS 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 1
2010 to October 18, 2016 0 2
2020s 0 3

Where the water comes from

Knox County Water and Wastewater PWS draws water from 5 wells (1 of them for emergency, seasonal or other part-time use).

Annual water quality report

Knox County Water and Wastewater PWS 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 Ohio.