Public water system record

City of Junction City

Serves Junction City, Geary County, KS · 19,167 people served

Federal records show 5 health-based violations and 11 monitoring/reporting issues for City of Junction City in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • KS2006108
  • JUNCTION CITY
  • KS
  • 19,167 served

System profile

Source water Groundwater
ZIP 66441
EPA system ID KS2006108

Verify this system on EPA ECHO →

Health-based violations, last 10 years
5
Resolved
5
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
11

Key facts

  • City of Junction City draws water from 6 wells (1 of them for emergency, seasonal or other part-time use).
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2021.
  • Record on file since 1994, with 9 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 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
220 Jul 1, 2024 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, 2024 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
220 Apr 1, 2022 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 Jan 1, 2022 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Oct 1, 2021 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
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2024 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2024 Resolved
Public Notice
OTHER
Jun 20, 2022 Resolved
Public Notice
OTHER
Jun 7, 2022 Active
Public Notice
OTHER
Jan 7, 2022 Active
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2020 Resolved
Public Notice
OTHER
Feb 12, 2016 Resolved

Full record since 1994

EPA's records for City of Junction City go back to 1994. Before October 19, 2016 they list 9 health-based violations (9 resolved) and 11 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 3 3
2000s 3 2
2010 to October 18, 2016 3 6
2020s 5 10

Most recent health-based violation before October 19, 2016: Total Coliform, began December 2015, Resolved.

Show all 9 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Dec 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 85 µg/L, federal limit 80 µg/L (1.1 times the limit)
Jan 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81.6 µg/L, federal limit 80 µg/L (at or just above the limit)
Oct 1, 2014 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 2008 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 2003 Resolved
Total Coliform
Contaminant limit exceeded
Apr 1, 2001 Resolved
Total Coliform
Contaminant limit exceeded
Mar 1, 1999 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Mar 1, 1999 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 1998 Resolved

What the violations mean

Total Trihalomethanes (TTHMs)

5 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

City of Junction City draws water from 6 wells (1 of them for emergency, seasonal or other part-time use). 2 other community water systems buy water from City of Junction City.

Community systems that buy water from it

Annual water quality report

City of Junction City 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.