Public Water Partners

PEOSTA, IA · Dubuque County

LOST CANYON MHP (PEOSTA) Water System

Consumer Confidence Report status

LOST CANYON MHP (PEOSTA) 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 LOST CANYON MHP (PEOSTA).

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 Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.

System facts

System ID (PWSID)
IA3100608
System type
Community Water System
Population served
97
Service connections
62
Ownership
privately owned
Water source
groundwater (wells)

LOST CANYON MHP (PEOSTA) is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 97 people from groundwater.

As of August 1, 2026, its federal record holds 5 entries between 1980 and 2023, all of which EPA lists as closed. Nothing has been added since 2023.

All 5 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 inorganic chemicals and the Stage 2 Disinfectants and Disinfection Byproducts Rule.

Violation history

  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    August 1, 2023 – August 31, 2023

    Resolved
  • Monitoring, Regular

    Nitrate

    July 1, 2017 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Nitrate

    July 1, 1988 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Cadmium

    September 30, 1980 – September 29, 1983

    Archived
  • Monitoring, Regular

    Mercury

    September 30, 1980 – September 29, 1983

    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 LOST CANYON MHP (PEOSTA) required to publish a Consumer Confidence Report?

Yes. LOST CANYON MHP (PEOSTA) 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 LOST CANYON MHP (PEOSTA)’s next Consumer Confidence Report due?

LOST CANYON MHP (PEOSTA)’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does LOST CANYON MHP (PEOSTA) have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for LOST CANYON MHP (PEOSTA).

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

LOST CANYON MHP (PEOSTA)

563-599-9538

PEOSTA, IA 52608