Public water system record

Grimes Water Supply

Serves Grimes, Polk County, IA · 15,392 people served

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

  • IA7736011
  • GRIMES
  • IA
  • 15,392 served

System profile

Source water Groundwater
ZIP 50111
EPA system ID IA7736011

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

  • Grimes Water Supply draws water from 1 well.
  • Record on file since 1979, with 9 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 5,984 unknown out of 6,016 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.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Nitrite
Monitoring and reporting
Jan 1, 2021 Resolved

Full record since 1979

EPA's records for Grimes Water Supply go back to 1979. Before October 19, 2016 they list 9 health-based violations (2 resolved, 7 archived by EPA without a recorded fix) and 5 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 4 0
1980s 3 1
1990s 0 3
2010 to October 18, 2016 2 1
2020s 0 1

Most recent health-based violation before October 19, 2016: Total Coliform, began August 2011, Resolved.

Show all 9 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Aug 1, 2011 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Aug 1, 2011 Resolved
Fluoride
Contaminant limit exceeded
Oct 1, 1983 Archived
Combined Radium (-226 and -228)
Contaminant limit exceeded
Sep 26, 1980 Archived
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Aug 8, 1980 Archived
Fluoride
Contaminant limit exceeded
Sep 14, 1979 Archived
Fluoride
Contaminant limit exceeded
Sep 14, 1979 Archived
Fluoride
Contaminant limit exceeded
Sep 13, 1979 Archived
Combined Radium (-226 and -228)
Contaminant limit exceeded
Apr 24, 1979 Archived

Where the water comes from

Grimes Water Supply draws water from 1 well. It also buys water from Ciww (Grimes). 2 other community water systems buy water from Grimes Water Supply.

Buys water from

Community systems that buy water from it

Annual water quality report

Grimes 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.

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.