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Public water system record

Chautauqua Co RWD 1

Serves an area of Chautauqua County, KS that includes Sedan · 135 people served

Federal records show 7 health-based violations and 9 monitoring/reporting issues for Chautauqua Co RWD 1 in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.

  • KS2001905
  • SEDAN
  • KS
  • 135 served

System profile

Source water Purchased surface water
ZIP 67361
EPA system ID KS2001905

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
9

Key facts

  • Chautauqua Co RWD 1 buys its water from Public Wholesale WSD 20.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.077 mg/L, federal limit 0.06 mg/L (1.3 times the limit), 2025.
  • Record on file since 1998, with 0 health-based violations before October 19, 2016.

Check whether Chautauqua Co RWD 1 serves your address

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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 0.077 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
 220 Jan 1, 2025 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Oct 1, 2024 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Jul 1, 2024 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.065 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Apr 1, 2024 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Apr 1, 2018 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.067 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Jan 1, 2018 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.069 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Oct 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
LEAD AND COPPER RULE REVISIONS
RPT
 Jul 2, 2025 Active
Public Notice
OTHER
 Nov 3, 2022 Active
Public Notice
OTHER
 Nov 3, 2022 Active
Public Notice
OTHER
 Oct 28, 2022 Active
Revised Total Coliform Rule
Monitoring violation
 Sep 1, 2021 Resolved
Chlorine
Monitoring and reporting
 Jul 1, 2021 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jul 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jul 1, 2021 Resolved
Public Notice
OTHER
 May 31, 2018 Resolved

Full record since 1998

EPA's records for Chautauqua Co RWD 1 go back to 1998. Before October 19, 2016 they list no health-based violations and 4 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2000s 0 2
2010 to October 18, 2016 0 1
October 19, 2016 to 2019 3 1
2020s 4 8

What the violations mean

Haloacetic Acids (HAA5)

7 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Where the water comes from

Chautauqua Co RWD 1 buys its water from Public Wholesale WSD 20. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Chautauqua Co RWD 1 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 Chautauqua Co RWD 1 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