Public water system · IA0743057
ActiveLa Porte City Utilities
At a glance
La Porte City Utilities (PWSID IA0743057) is an active community water system in Black Hawk County, Iowa. It reports serving 2,284 people through 950 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 2 are health-based, and the most recent began in April 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,284
Service connections
950
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does La Porte City Utilities compare with other water systems in Black Hawk County?
By EPA's size categories, La Porte City Utilities is a small system (501 to 3,300 people). Black Hawk County has 18 active public water systems, and La Porte City Utilities is the 5th-largest of them by population served. Its population served is well below the county average of 6,856 people per system, and accounts for 1.9% of the 123,407 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 La Porte City Utilities is about 66% 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 La Porte City Utilities?
EPA lists La Porte City Utilities 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. 10 of the 18 active systems in Black Hawk County (56%) are also owned by a local government.
Does La Porte City Utilities have drinking water violations?
EPA's records list 10 violations for this system; 2 are health-based, and the most recent began in April 2022. The violations listed here began between April 1979 and April 2022. By type: 8 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Combined Radium (-226 and -228) (3 of them). EPA lists 8 as resolved and 2 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2019-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2015-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2015-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2015-06-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2000-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1980-04-23 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Archived |
| 1979-04-10 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Archived |
All 10 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.
La Porte City Utilities: frequently asked questions
Who runs La Porte City Utilities?
La Porte City Utilities (PWSID IA0743057) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does La Porte City Utilities serve?
La Porte City Utilities reports serving 2,284 people through 950 service connections in Black Hawk County, Iowa.
Where does La Porte City Utilities 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 La Porte City Utilities have any drinking water violations?
EPA's records list 10 violations for this system; 2 are health-based, and the most recent began in April 2022. 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 La Porte City Utilities' 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 10 violations for this system; 2 are health-based, and the most recent began in April 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find La Porte City Utilities' water quality report?
As a community water system, La Porte City Utilities 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 Black Hawk County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Waterloo Water Works | Black Hawk | 69,504 | Community | Groundwater |
| Cedar Falls Municipal Water Utilities | Black Hawk | 40,713 | Community | Groundwater |
| Evansdale Water Works | Black Hawk | 4,561 | Community | Groundwater |
| Hudson Water Supply | Black Hawk | 2,546 | Community | Purchased groundwater |
| Elk Run Heights Water Supply | Black Hawk | 1,069 | Community | Purchased groundwater |
| Dunkerton Muni Water Supply | Black Hawk | 842 | 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, “La Porte City Utilities, PWSID IA0743057, Iowa”, https://aquacensus.com/water-systems/iowa/la-porte-city-utilities-ia0743057 (data as of October 1, 2026).