Public Water Partners

AMMON, ID · Bonneville County

AMMON CITY OF Water System

Consumer Confidence Report status

AMMON CITY OF must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for AMMON CITY OF.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Idaho’s official records. Always confirm current status with Idaho before making decisions based on this information.

System facts

System ID (PWSID)
ID7100004
System type
Community Water System
Population served
17,338
Service connections
6,487
Ownership
local government
Water source
groundwater (wells)

AMMON CITY OF is among the 15 largest community water systems in Idaho, serving 17,338 people from groundwater.

As of August 1, 2026, its federal record holds 28 entries between 2011 and 2024, all of which EPA lists as closed.

All 28 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals, the Radionuclides and Revised Rad Rule, and inorganic chemicals.

Violation history

  • Monitoring, Regular

    Nitrate

    January 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2024 – December 31, 2024

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Carbofuran

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    LASSO

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Glyphosate

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    OXAMYL

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Simazine

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Dinoseb

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2020 – December 31, 2022

    Archived
  • Monitoring, Regular

    Radium-226

    April 1, 2012 – June 30, 2012

    Archived
  • Monitoring, Regular

    Radium-228

    July 1, 2011 – September 30, 2011

    Archived
  • Monitoring, Regular

    Combined Uranium

    July 1, 2011 – September 30, 2011

    Archived
  • Monitoring, Regular

    Radium-226

    July 1, 2011 – September 30, 2011

    Archived
  • Monitoring, Regular

    Radium-228

    July 1, 2011 – September 30, 2011

    Archived
  • Monitoring, Regular

    Radium-226

    July 1, 2011 – September 30, 2011

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Common questions

Is AMMON CITY OF required to publish a Consumer Confidence Report?

Yes. AMMON CITY OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is AMMON CITY OF’s next Consumer Confidence Report due?

AMMON CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does AMMON CITY OF have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for AMMON CITY OF.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

RIBLETT, NATHAN

208-612-4038

AMMON, ID 83406