GRINNELL, IA · Poweshiek County
GRINNELL MHP MHC Water System
Consumer Confidence Report status
GRINNELL MHP MHC 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 1 item for GRINNELL MHP MHC that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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)
- IA7930601
- System type
- Community Water System
- Population served
- 313
- Service connections
- 121
- Ownership
- privately owned
- Water source
- groundwater (wells)
GRINNELL MHP MHC is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 313 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries in 2024, of which 1 remains open; none are health-based.
None of the 2 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 Total Coliform Rules and the Public Notice Rule and Revised PN Rule.
Violation history
Treatment Technique, Level 1 Assessment (RTCR)
Health-basedRevised Total Coliform Rule
September 1, 2024 – October 17, 2024
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
January 22, 2024
Unaddressed
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| September 1, 2024 – October 17, 2024 | Treatment Technique, Level 1 Assessment (RTCR) | Revised Total Coliform Rule | Health-based | Resolved |
| January 22, 2024 | Public Notification Violation for NPDWR Violation | Public Notice | — | Unaddressed |
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is GRINNELL MHP MHC required to publish a Consumer Confidence Report?
- Yes. GRINNELL MHP MHC 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 GRINNELL MHP MHC’s next Consumer Confidence Report due?
- GRINNELL MHP MHC’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does GRINNELL MHP MHC have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for GRINNELL MHP MHC that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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
GRINNELL MHP
641-638-8400
GRINNELL, IA 50112