Public Water Partners

CALAMUS, IA · Clinton County

WELTON WATER SUPPLY Water System

Consumer Confidence Report status

WELTON WATER SUPPLY 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 WELTON WATER SUPPLY.

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)
IA2391001
System type
Community Water System
Population served
121
Service connections
70
Ownership
local government
Water source
groundwater (wells)

WELTON WATER SUPPLY is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 121 people from groundwater.

As of August 1, 2026, its federal record holds 1 entry in 2017, all of which EPA lists as closed. Nothing has been added since 2017.

None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Radionuclides and Revised Rad Rule.

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2017 – March 31, 2017

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is WELTON WATER SUPPLY required to publish a Consumer Confidence Report?

Yes. WELTON WATER SUPPLY 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 WELTON WATER SUPPLY’s next Consumer Confidence Report due?

WELTON WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does WELTON WATER SUPPLY have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for WELTON WATER SUPPLY.

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

WELTON WATER SUPPLY

563-579-5626

CALAMUS, IA 52729