Public water system · IA4669080
ActiveRenwick Munic Water Supply
At a glance
Renwick Munic Water Supply (PWSID IA4669080) is an active community water system in Humboldt County, Iowa. It reports serving 234 people through 169 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 October 2002.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
234
Service connections
169
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Renwick Munic Water Supply compare with other water systems in Humboldt County?
By EPA's size categories, Renwick Munic Water Supply is a very small system (500 people or fewer). Humboldt County has 13 active public water systems, and Renwick Munic Water Supply is the 5th-largest of them by population served. Its population served is about 57% below the county average of 550 people per system, and accounts for 3.3% of the 7,145 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 Renwick Munic 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 Renwick Munic Water Supply?
EPA lists Renwick Munic 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. 11 of the 13 active systems in Humboldt County (85%) are also owned by a local government.
Does Renwick Munic 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 October 2002. The violations listed here began between October 2002 and October 2002. By type: 12 monitoring and reporting. The contaminants or rules involved are o-Dichlorobenzene, Tetrachloroethylene, cis-1,2-Dichloroethylene and Chlorobenzene. 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 |
|---|---|---|---|---|
| 2002-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | 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.
Renwick Munic Water Supply: frequently asked questions
Who runs Renwick Munic Water Supply?
Renwick Munic Water Supply (PWSID IA4669080) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Renwick Munic Water Supply serve?
Renwick Munic Water Supply reports serving 234 people through 169 service connections in Humboldt County, Iowa.
Where does Renwick Munic 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 Renwick Munic 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 October 2002. 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 Renwick Munic 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 October 2002. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Renwick Munic Water Supply's water quality report?
As a community water system, Renwick Munic 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 Humboldt County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Humboldt Municipal Water Dept | Humboldt | 4,792 | Community | Groundwater under influence of surface water |
| Dakota City Water Supply | Humboldt | 769 | Community | Groundwater |
| Livermore Water Supply | Humboldt | 383 | Community | Groundwater |
| Bode Municipal Water Supply | Humboldt | 304 | Community | Groundwater |
| Thor Water Works | Humboldt | 181 | Community | Groundwater |
| Rutland Water Supply | Humboldt | 116 | 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, “Renwick Munic Water Supply, PWSID IA4669080, Iowa”, https://aquacensus.com/water-systems/iowa/renwick-munic-water-supply-ia4669080 (data as of October 1, 2026).