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Public water system record

Wilson Co RWD 12

Serves an area of Wilson County and Montgomery County, KS that includes Neodesha · 123 people served

Federal records show 7 health-based violations and 20 monitoring/reporting issues for Wilson Co RWD 12 in the last ten years. The most serious issue in this window was a Haloacetic Acids (HAA5) violation that EPA lists as archived, not resolved.

  • KS2020501
  • NEODESHA
  • KS
  • 123 served

System profile

Source water Purchased surface water
ZIP 66757
EPA system ID KS2020501

Verify this system on EPA ECHO →

Health-based violations, last 10 years
7
Resolved
1
Unresolved
0
Archived by EPA
6
Any acute record
No
Monitoring issues, last 10 years
20

Key facts

  • Wilson Co RWD 12 buys its water from City of Neodesha.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.115 mg/L, federal limit 0.06 mg/L (1.9 times the limit), 2024.
  • Record on file since 1993, with 0 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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.066 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Apr 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.111 mg/L, federal limit 0.06 mg/L (1.9 times the limit)
 220 Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.115 mg/L, federal limit 0.06 mg/L (1.9 times the limit)
 220 Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.106 mg/L, federal limit 0.06 mg/L (1.8 times the limit)
 220 Jul 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Apr 1, 2024 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.104 mg/L, federal limit 0.06 mg/L (1.7 times the limit)
 220 Apr 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Chlorine
Monitoring and reporting
 Mar 1, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
 Mar 1, 2025 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
 Oct 17, 2024 Active
Haloacetic Acids (HAA5)
Monitoring and reporting
 Oct 1, 2024 Active
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jul 1, 2024 Active
Public Notice
OTHER
 Nov 3, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 31, 2022 Active
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2022 Active
Public Notice
OTHER
 Aug 1, 2021 Resolved
Public Notice
OTHER
 Aug 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
 Sep 1, 2020 Resolved
Chlorine
Monitoring and reporting
 Jul 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
 Jun 1, 2020 Resolved
Chlorine
Monitoring and reporting
 Apr 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
 Dec 30, 2019 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Dec 1, 2018 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Dec 1, 2018 Resolved
Public Notice
OTHER
 Sep 28, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
 Dec 30, 2016 Resolved
Public Notice
OTHER
 Nov 1, 2014 Resolved

Full record since 1993

EPA's records for Wilson Co RWD 12 go back to 1993. Before October 19, 2016 they list no health-based violations and 7 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2000s 0 1
2010 to October 18, 2016 0 5
October 19, 2016 to 2019 0 5
2020s 7 14

What the violations mean

Haloacetic Acids (HAA5)

6 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

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

Wilson Co RWD 12 buys its water from City of Neodesha. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Wilson Co RWD 12 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 Wilson Co RWD 12 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 Kansas.

Certified drinking water labs by state EPA guidance for private wells