Public water system · IA6709017
ActiveBlencoe Municipal Waterworks
At a glance
Blencoe Municipal Waterworks (PWSID IA6709017) is an active community water system in Monona County, Iowa. It reports serving 224 people through 112 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 January 2000.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
224
Service connections
112
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Blencoe Municipal Waterworks compare with other water systems in Monona County?
By EPA's size categories, Blencoe Municipal Waterworks is a very small system (500 people or fewer). Monona County has 14 active public water systems. Its population served is about half of the county average of 462 people per system, and accounts for 3.5% of the 6,465 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 Blencoe Municipal Waterworks 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 Blencoe Municipal Waterworks?
EPA lists Blencoe Municipal Waterworks 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 14 active systems in Monona County (64%) are also owned by a local government.
Does Blencoe Municipal Waterworks have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2000. The violations listed here began between August 1993 and January 2000. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). 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 |
|---|---|---|---|---|
| 2000-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 1995-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 1995-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 1995-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 1995-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 1995-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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.
Blencoe Municipal Waterworks: frequently asked questions
Who runs Blencoe Municipal Waterworks?
Blencoe Municipal Waterworks (PWSID IA6709017) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Blencoe Municipal Waterworks serve?
Blencoe Municipal Waterworks reports serving 224 people through 112 service connections in Monona County, Iowa.
Where does Blencoe Municipal Waterworks 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 Blencoe Municipal Waterworks 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 January 2000. 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 Blencoe Municipal Waterworks' 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 January 2000. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Blencoe Municipal Waterworks' water quality report?
As a community water system, Blencoe Municipal Waterworks 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 Monona County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Onawa Municipal Water Plant | Monona | 2,906 | Community | Groundwater |
| Mapleton Municipal Water Plant | Monona | 1,124 | Community | Groundwater |
| Whiting Water Supply | Monona | 727 | Community | Groundwater |
| Ute Water Supply | Monona | 338 | Community | Groundwater |
| Timber Ridge Lodge Recreation, Ltd. | Monona | 250 | Transient non-community | Groundwater |
| Onawa Koa | Monona | 250 | Transient non-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, “Blencoe Municipal Waterworks, PWSID IA6709017, Iowa”, https://aquacensus.com/water-systems/iowa/blencoe-municipal-waterworks-ia6709017 (data as of October 1, 2026).