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Public water system record

City of Ottawa

Serves Ottawa, Franklin County, KS · 12,604 people served

Federal records show 3 health-based violations and 2 monitoring/reporting issues for City of Ottawa in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.

  • KS2005906
  • OTTAWA
  • KS
  • 12,604 served

System profile

Source water Surface water
ZIP 66067
EPA system ID KS2005906

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
3
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • City of Ottawa draws water from 1 surface water intake.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit), 2019.

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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 Jul 1, 2024 Resolved No
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, 2020 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Oct 1, 2019 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Surface Water Treatment Rule
Monitoring and reporting
 May 1, 2022 Resolved
Public Notice
OTHER
 Mar 15, 2020 Resolved

What the violations mean

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

City of Ottawa draws water from 1 surface water intake. 4 other community water systems buy water from City of Ottawa.

Community systems that buy water from it

Annual water quality report

City of Ottawa 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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