Public water system · IA7736015
ActiveCiww (Grimes)
At a glance
Ciww (Grimes) (PWSID IA7736015) is an active community water system in Polk County, Iowa. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Ciww (Grimes) compare with other water systems in Polk County?
By EPA's size categories, Ciww (Grimes) 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 Ciww (Grimes) 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,502 Iowa systems (82%) list groundwater as their primary source.
Who owns and regulates Ciww (Grimes)?
EPA lists Ciww (Grimes) as owned by a local government. 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. 16 of the 38 active systems in Polk County (42%) are also owned by a local government.
Does Ciww (Grimes) have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Ciww (Grimes). For the latest compliance status, check EPA ECHO for current compliance history.
Ciww (Grimes): frequently asked questions
Who runs Ciww (Grimes)?
Ciww (Grimes) (PWSID IA7736015) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Ciww (Grimes) serve?
Ciww (Grimes) reports serving 25 people through 1 service connection in Polk County, Iowa.
Where does Ciww (Grimes) get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Ciww (Grimes) have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Ciww (Grimes)'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 Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Ciww (Grimes)'s water quality report?
As a community water system, Ciww (Grimes) 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, “Ciww (Grimes), PWSID IA7736015, Iowa”, https://aquacensus.com/water-systems/iowa/ciww-grimes-ia7736015 (data as of October 1, 2026).