Public water system · IA7639002
ActiveRolfe Water Supply
At a glance
Rolfe Water Supply (PWSID IA7639002) is an active community water system in Pocahontas County, Iowa. It reports serving 509 people through 335 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 1995.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
509
Service connections
335
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Rolfe Water Supply compare with other water systems in Pocahontas County?
By EPA's size categories, Rolfe Water Supply is a small system (501 to 3,300 people). Pocahontas County has 12 active public water systems, and Rolfe Water Supply is the 4th-largest of them by population served. Its population served is roughly in line with the county average of 472 people per system, and accounts for 9% of the 5,668 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 Rolfe Water Supply 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 Rolfe Water Supply?
EPA lists Rolfe Water Supply 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. 9 of the 12 active systems in Pocahontas County (75%) are also owned by a local government.
Does Rolfe Water Supply have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 1995. The violations listed here began between July 1995 and July 1995. By type: 12 monitoring and reporting. The contaminants or rules involved are 2,4,5-TP (Silvex), Dinoseb, 2,4-D and Dichloromethane. EPA lists 12 as resolved. 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 |
|---|---|---|---|---|
| 1995-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4,5-TP (Silvex)code 2110 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
The 12 most recent 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.
Rolfe Water Supply: frequently asked questions
Who runs Rolfe Water Supply?
Rolfe Water Supply (PWSID IA7639002) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Rolfe Water Supply serve?
Rolfe Water Supply reports serving 509 people through 335 service connections in Pocahontas County, Iowa.
Where does Rolfe Water Supply 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 Rolfe Water Supply have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 1995. 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 Rolfe Water Supply'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 1995. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Rolfe Water Supply's water quality report?
As a community water system, Rolfe Water Supply 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 Pocahontas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pocahontas Water Department | Pocahontas | 1,877 | Community | Groundwater |
| Laurens Water Supply | Pocahontas | 1,301 | Community | Groundwater |
| Fonda Water Supply | Pocahontas | 636 | Community | Groundwater |
| Gilmore City Waterworks | Pocahontas | 487 | Community | Groundwater |
| Faith Community Church | Pocahontas | 300 | Transient non-community | Groundwater |
| Palmer Water Supply | Pocahontas | 138 | 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, “Rolfe Water Supply, PWSID IA7639002, Iowa”, https://aquacensus.com/water-systems/iowa/rolfe-water-supply-ia7639002 (data as of October 1, 2026).