Public water system · IA7736601
ActiveGrimes MHP Mhc
At a glance
Grimes MHP Mhc (PWSID IA7736601) is an active community water system in Polk County, Iowa. It reports serving 163 people through 65 service connections. Its primary water source is purchased groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
163
Service connections
65
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Grimes MHP Mhc compare with other water systems in Polk County?
By EPA's size categories, Grimes MHP Mhc is a very small system (500 people or fewer). Polk County has 38 active public water systems. Its population served is well below the county average of 12,857 people per system, and accounts for less than 0.1% of the 488,556 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active community water system reports serving 6,703 people, so Grimes MHP Mhc is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Iowa has 1,084 active community water systems, 59% of the state's 1,828 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 156 Iowa systems (8.5%) list purchased groundwater as their primary source.
Who owns and regulates Grimes MHP Mhc?
EPA lists Grimes MHP Mhc as privately owned. The IA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 21 of the 38 active systems in Polk County (55%) are also privately owned.
Does Grimes MHP Mhc have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2025. The violations listed here began between July 2024 and January 2025. By type: 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminants or rules involved are Public Notice and Nitrite. EPA lists 1 as unaddressed and 1 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-01-26 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Grimes MHP Mhc: frequently asked questions
Who runs Grimes MHP Mhc?
Grimes MHP Mhc (PWSID IA7736601) is a community water system privately owned. It is regulated by the IA state drinking water program.
How many people does Grimes MHP Mhc serve?
Grimes MHP Mhc reports serving 163 people through 65 service connections in Polk County, Iowa.
Where does Grimes MHP Mhc get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Grimes MHP Mhc have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Grimes MHP Mhc's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Grimes MHP Mhc's water quality report?
As a community water system, Grimes MHP Mhc must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Polk County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Des Moines Water Works | Polk | 246,055 | Community | Purchased surface water |
| Ankeny, City of | Polk | 76,207 | Community | Purchased surface water |
| Urbandale Water Utility | Polk | 45,605 | Community | Purchased surface water |
| Johnston Municipal Water Supply | Polk | 24,897 | Community | Purchased surface water |
| Clive Water Department | Polk | 20,277 | Community | Purchased surface water |
| Altoona Water Supply | Polk | 19,565 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Grimes MHP Mhc, PWSID IA7736601, Iowa”, https://aquacensus.com/water-systems/iowa/grimes-mhp-mhc-ia7736601 (data as of October 1, 2026).