Public water system · IA9630209
ActiveHenning Commercial Subdivision
At a glance
Henning Commercial Subdivision (PWSID IA9630209) is an active non-transient non-community water system in Winneshiek County, Iowa. It reports serving 31 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
31
Service connections
4
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Henning Commercial Subdivision compare with other water systems in Winneshiek County?
By EPA's size categories, Henning Commercial Subdivision is a very small system (500 people or fewer). Winneshiek County has 43 active public water systems. Its population served is well below the county average of 343 people per system, and accounts for 0.2% of the 14,733 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Henning Commercial Subdivision is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Iowa has 118 active non-transient non-community water systems, 6.5% 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 Henning Commercial Subdivision?
EPA lists Henning Commercial Subdivision 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. 27 of the 43 active systems in Winneshiek County (63%) are also privately owned.
Does Henning Commercial Subdivision 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 Henning Commercial Subdivision. For the latest compliance status, check EPA ECHO for current compliance history.
Henning Commercial Subdivision: frequently asked questions
Who runs Henning Commercial Subdivision?
Henning Commercial Subdivision (PWSID IA9630209) is a non-transient non-community water system privately owned. It is regulated by the IA state drinking water program.
How many people does Henning Commercial Subdivision serve?
Henning Commercial Subdivision reports serving 31 people through 4 service connections in Winneshiek County, Iowa.
Where does Henning Commercial Subdivision 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 Henning Commercial Subdivision have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Henning Commercial Subdivision'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 EPA ECHO, or the IA state drinking water program.
Where can I find Henning Commercial Subdivision's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Henning Commercial Subdivision is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Winneshiek County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Decorah Water Department | Winneshiek | 7,615 | Community | Groundwater |
| Calmar Water Supply | Winneshiek | 1,125 | Community | Groundwater |
| Ossian Water Supply | Winneshiek | 802 | Community | Groundwater |
| Freeport Water District | Winneshiek | 775 | Community | Groundwater |
| The Country Express | Winneshiek | 515 | Transient non-community | Groundwater |
| Turkey Valley Community School | Winneshiek | 490 | Non-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, “Henning Commercial Subdivision, PWSID IA9630209, Iowa”, https://aquacensus.com/water-systems/iowa/henning-commercial-subdivision-ia9630209 (data as of October 1, 2026).