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Public water system record

Wilson Co RWD 7

Serves an area of Wilson County, KS that includes Fredonia · 585 people served

Federal records show 7 health-based violations and 5 monitoring/reporting issues for Wilson Co RWD 7 in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • KS2020516
  • FREDONIA
  • KS
  • 585 served

System profile

Source water Purchased surface water
ZIP 66736
EPA system ID KS2020516

Verify this system on EPA ECHO →

Health-based violations, last 10 years
7
Resolved
7
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
5

Key facts

  • Wilson Co RWD 7 buys its water from Public Wholesale WSD 23.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.091 mg/L, federal limit 0.06 mg/L (1.5 times the limit), 2018.
  • Record on file since 2001, with 5 health-based violations before October 19, 2016.

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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 0.096 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 220 Jan 1, 2018 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.06 mg/L (1.5 times the limit)
 220 Jan 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Oct 1, 2017 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.06 mg/L (1.5 times the limit)
 220 Oct 1, 2017 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 Jul 1, 2017 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.075 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
 220 Jul 1, 2017 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 Apr 1, 2017 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Haloacetic Acids (HAA5)
Monitoring and reporting
 Oct 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Oct 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Aug 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Aug 1, 2017 Resolved
Public Notice
OTHER
 Jul 30, 2017 Resolved

Full record since 2001

EPA's records for Wilson Co RWD 7 go back to 2001. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 7 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 5 6
2010 to October 18, 2016 0 1
October 19, 2016 to 2019 7 3
2020s 0 2

Most recent health-based violation before October 19, 2016: Total Coliform (acute), began May 2008, Resolved.

Show all 5 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform (acute)
Contaminant limit exceeded
 May 1, 2008 Resolved
Total Coliform
Contaminant limit exceeded
 May 1, 2008 Resolved
Total Coliform (acute)
Contaminant limit exceeded
 Dec 1, 2003 Resolved
Total Coliform
Contaminant limit exceeded
 Dec 1, 2003 Resolved
Total Coliform
Contaminant limit exceeded
 Feb 1, 2003 Resolved

What the violations mean

Total Trihalomethanes (TTHMs)

4 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Haloacetic Acids (HAA5)

3 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Where the water comes from

Wilson Co RWD 7 buys its water from Public Wholesale WSD 23. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Wilson Co RWD 7 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 Kansas.

Certified drinking water labs by state EPA guidance for private wells