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Public water system record

Creston Water Supply

Serves Creston, Union County, IA · 7,536 people served

Federal records show 2 health-based violations and 2 monitoring/reporting issues for Creston Water Supply in the last ten years. The most serious issue in this window was a resolved Epichlorohydrin violation.

  • IA8816089
  • CRESTON
  • IA
  • 7,536 served

System profile

Source water Surface water
ZIP 50801
EPA system ID IA8816089

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • Creston Water Supply draws water from 1 surface water intake.
  • Most recent formal enforcement: compliance order (no penalty) by Iowa, October 2019.
  • Record on file since 2000, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 888 lead and 377 unknown out of 8,301 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.

Contaminant Rule family Start date Status Acute
Epichlorohydrin
Treatment technique failure
 320 Jun 11, 2018 Resolved No
Epichlorohydrin
Treatment technique failure
 320 Aug 1, 2017 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Atrazine
Monitoring and reporting
 Jul 1, 2019 Resolved
Nitrite
Monitoring and reporting
 Jan 1, 2019 Resolved

Full record since 2000

EPA's records for Creston Water Supply go back to 2000. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 7 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 3 2
2010 to October 18, 2016 0 5
October 19, 2016 to 2019 2 2

Most recent health-based violation before October 19, 2016: Interim Enhanced Surface Water Treatment Rule (acute), began January 2009, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
 Jan 1, 2009 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
 Dec 1, 2008 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
 Dec 1, 2008 Resolved

Enforcement actions

Iowa regulators took 2 formal enforcement actions against Creston Water Supply and issued 1 boil water order between 2008 and 2019. The most recent was a compliance order (no penalty) in October 2019.

Date By Action Violations covered
Oct 29, 2019 Iowa Compliance order (no penalty) 1 violation (1 health-based): Epichlorohydrin
Dec 24, 2018 Iowa Compliance order (no penalty) 1 violation (1 health-based): Epichlorohydrin
Dec 29, 2008 Iowa Boil water order 1 violation (1 health-based): Interim Enhanced Surface Water Treatment Rule

What the violations mean

Epichlorohydrin

2 incidents

The system did not complete a treatment step or action that federal rules require for Epichlorohydrin (a treatment technique violation).

The utility had to notify customers about each of these violations.

Where the water comes from

Creston Water Supply draws water from 1 surface water intake.

Annual water quality report

Creston Water Supply 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.

Certified drinking water labs by state EPA guidance for private wells