Public water system record

Maquoketa Municipal Water

Serves Maquoketa, Jackson County, IA · 6,128 people served

Federal records show no health-based violations and 1 monitoring/reporting issue for Maquoketa Municipal Water in the last ten years.

  • IA4950029
  • MAQUOKETA
  • IA
  • 6,128 served

System profile

Source water Groundwater
ZIP 52060
EPA system ID IA4950029

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
1

Key facts

  • Maquoketa Municipal Water draws water from 3 wells.
  • Most recent formal enforcement: signed compliance agreement by Iowa, December 2007.
  • Record on file since 1979, with 18 health-based violations before October 19, 2016.
  • Lead pipe inventory: 15 lead and 0 unknown out of 2,589 service lines.

Check whether Maquoketa Municipal Water serves your address

Address suggestions by Mapbox

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.

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Diquat
Monitoring and reporting
Jul 1, 2018 Resolved

Full record since 1979

EPA's records for Maquoketa Municipal Water go back to 1979. Before October 19, 2016 they list 18 health-based violations (15 resolved, 3 archived by EPA without a recorded fix) and 18 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 1 0
1980s 2 0
1990s 0 17
2000s 15 1
October 19, 2016 to 2019 0 1

Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began October 2003, Resolved.

Show all 18 health-based violations before October 19, 2016
Contaminant Start date Status
Combined Radium (-226 and -228)
Contaminant limit exceeded
Oct 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Oct 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jul 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jul 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jul 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Apr 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Apr 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jan 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jan 1, 2003 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Oct 1, 2002 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Oct 1, 2002 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jul 1, 2002 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Jul 1, 2002 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Apr 1, 2002 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Apr 1, 2002 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Oct 1, 1983 Archived
Combined Radium (-226 and -228)
Contaminant limit exceeded
Sep 4, 1980 Archived
Combined Radium (-226 and -228)
Contaminant limit exceeded
Sep 19, 1979 Archived

Enforcement actions

Iowa regulators took 3 formal enforcement actions against Maquoketa Municipal Water between 2003 and 2007, filed as 15 records in EPA's data. The most recent was a signed compliance agreement in December 2007.

Date By Action Violations covered
Dec 12, 2007 Iowa Signed compliance agreement 1 violation: Haloacetic Acids (HAA5)
Nov 20, 2003 Iowa Signed compliance agreement 5 violations (5 health-based): Combined Radium (-226 and -228)
May 7, 2003 Iowa Signed compliance agreement 9 violations (9 health-based): Combined Radium (-226 and -228)

Where the water comes from

Maquoketa Municipal Water draws water from 3 wells.

Annual water quality report

Maquoketa Municipal Water 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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.