Public water system · IA5847001
ActiveLetts Community Building
At a glance
Letts Community Building (PWSID IA5847001) is an active transient non-community water system in Louisa County, Iowa. It reports serving 27 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
27
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Letts Community Building compare with other water systems in Louisa County?
By EPA's size categories, Letts Community Building is a very small system (500 people or fewer). Louisa County has 22 active public water systems. Its population served is well below the county average of 442 people per system, and accounts for 0.3% of the 9,731 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Letts Community Building is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Iowa has 626 active transient non-community water systems, 34% 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 Letts Community Building?
EPA lists Letts Community Building 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. 8 of the 22 active systems in Louisa County (36%) are also owned by a local government.
Does Letts Community Building have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2020. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 2020-01-01 | MonitoringMonitoring, Additional Routine (RTCR) · code 3B | Revised Total Coliform Rulecode 8000 | No | Resolved |
The one violation in EPA's records.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.
Letts Community Building: frequently asked questions
Who runs Letts Community Building?
Letts Community Building (PWSID IA5847001) is a transient non-community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Letts Community Building serve?
Letts Community Building reports serving 27 people through 1 service connection in Louisa County, Iowa.
Where does Letts Community Building 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 Letts Community Building have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2020. 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 Letts Community Building'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 records list one violation for this system; it is not health-based, and the most recent began in January 2020. For current results, consult EPA ECHO, or the IA state drinking water program.
Where can I find Letts Community Building's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Letts Community Building is a 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 Louisa County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Wapello Municipal Water Works | Louisa | 2,096 | Community | Groundwater |
| Columbus Junction Water Supply | Louisa | 1,830 | Community | Groundwater |
| Tyson Fresh Meats Inc. (Columbus Jct) | Louisa | 1,300 | Non-transient non-community | Groundwater |
| Louisa-Muscatine Community School | Louisa | 1,190 | Non-transient non-community | Groundwater |
| Morning Sun Water Department | Louisa | 752 | Community | Groundwater |
| Caseys #3449 | Louisa | 715 | 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, “Letts Community Building, PWSID IA5847001, Iowa”, https://aquacensus.com/water-systems/iowa/letts-community-building-ia5847001 (data as of October 1, 2026).