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Public water system record

Chautauqua Co RWD 3

Serves an area of Chautauqua County, KS that includes Sedan · 200 people served

Federal records show 1 health-based violation and no monitoring/reporting issues for Chautauqua Co RWD 3 in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.

  • KS2001909
  • SEDAN
  • KS
  • 200 served

System profile

Source water Purchased surface water
ZIP 67361
EPA system ID KS2001909

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
0

Key facts

  • Chautauqua Co RWD 3 buys its water from Public Wholesale WSD 20.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit), 2025.
  • Record on file since 1994, with 18 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 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit)
 220 Jan 1, 2025 Resolved No

Full record since 1994

EPA's records for Chautauqua Co RWD 3 go back to 1994. Before October 19, 2016 they list 18 health-based violations (18 resolved) and 9 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 6
2000s 17 2
2010 to October 18, 2016 0 1
2020s 1 0

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began July 2006, Resolved.

Show all 18 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.183 mg/L, federal limit 0.08 mg/L (2.3 times the limit)
 Jul 1, 2006 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.165 mg/L, federal limit 0.06 mg/L (2.8 times the limit)
 Jul 1, 2006 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.198 mg/L, federal limit 0.08 mg/L (2.5 times the limit)
 Apr 1, 2006 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.216 mg/L, federal limit 0.06 mg/L (3.6 times the limit)
 Apr 1, 2006 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.198 mg/L, federal limit 0.08 mg/L (2.5 times the limit)
 Jan 1, 2006 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.226 mg/L, federal limit 0.06 mg/L (3.8 times the limit)
 Jan 1, 2006 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 257.5 µg/L, federal limit 60 µg/L (4.3 times the limit)
 Oct 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 185.75 µg/L, federal limit 80 µg/L (2.3 times the limit)
 Oct 1, 2005 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 245 µg/L, federal limit 60 µg/L (4.1 times the limit)
 Jul 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 148.25 µg/L, federal limit 80 µg/L (1.9 times the limit)
 Jul 1, 2005 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 232.5 µg/L, federal limit 60 µg/L (3.9 times the limit)
 Apr 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 143.25 µg/L, federal limit 80 µg/L (1.8 times the limit)
 Apr 1, 2005 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 197.5 µg/L, federal limit 60 µg/L (3.3 times the limit)
 Jan 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 113.25 µg/L, federal limit 80 µg/L (1.4 times the limit)
 Jan 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 90 µg/L, federal limit 80 µg/L (1.1 times the limit)
 Oct 1, 2004 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 127.5 µg/L, federal limit 60 µg/L (2.1 times the limit)
 Oct 1, 2004 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 87.5 µg/L, federal limit 60 µg/L (1.5 times the limit)
 Jul 1, 2004 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 1994 Resolved

What the violations mean

Haloacetic Acids (HAA5)

1 incident

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Where the water comes from

Chautauqua Co RWD 3 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 3 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 3 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