Public water system record

Marshalltown Water Works

Serves Marshalltown, Marshall County, IA · 27,591 people served

Federal records show no health-based violations and no monitoring or reporting issues for Marshalltown Water Works in the last ten years.

  • IA6469042
  • MARSHALLTOWN
  • IA
  • 27,591 served

System profile

Source water Groundwater
ZIP 50158
EPA system ID IA6469042

Verify this system on EPA ECHO →

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

Key facts

  • Marshalltown Water Works draws water from 9 wells.
  • Record on file since 1986, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 5 lead and 1,936 unknown out of 12,073 service lines.

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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.

None since October 2016, and no monitoring or reporting violations either.

Full record since 1986

EPA's records for Marshalltown Water Works go back to 1986. Before October 19, 2016 they list no health-based violations and 3 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 1
1990s 0 2

Where the water comes from

Marshalltown Water Works draws water from 9 wells. 2 other community water systems buy water from Marshalltown Water Works.

Community systems that buy water from it

Annual water quality report

Marshalltown Water Works 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 Iowa.