Public water system · IA2038701
ActiveSirwa #3 (Osceola)
At a glance
Sirwa #3 (Osceola) (PWSID IA2038701) is an active community water system in Clarke County, Iowa. It reports serving 4,080 people through 1,632 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 10 violations for this system; 9 are health-based, and the most recent began in June 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,080
Service connections
1,632
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Sirwa #3 (Osceola) compare with other water systems in Clarke County?
By EPA's size categories, Sirwa #3 (Osceola) is a medium system (3,301 to 10,000 people). Clarke County has 3 active public water systems, and Sirwa #3 (Osceola) is the 2nd-largest of them by population served. Its population served is about 19% above the county average of 3,422 people per system, and accounts for 40% of the 10,267 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 Sirwa #3 (Osceola) is about 39% 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 119 Iowa systems (6.5%) list purchased surface water as their primary source.
Who owns and regulates Sirwa #3 (Osceola)?
EPA lists Sirwa #3 (Osceola) 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. 1 of the 3 active systems in Clarke County (33%) are also privately owned.
Does Sirwa #3 (Osceola) have drinking water violations?
EPA's records list 10 violations for this system; 9 are health-based, and the most recent began in June 2014. The violations listed here began between May 1999 and June 2014. By type: 9 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 10 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 |
|---|---|---|---|---|
| 2014-06-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2005-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2005-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2005-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2005-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2005-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2005-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 1999-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1999-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1999-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
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.
Sirwa #3 (Osceola): frequently asked questions
Who runs Sirwa #3 (Osceola)?
Sirwa #3 (Osceola) (PWSID IA2038701) is a community water system privately owned. It is regulated by the IA state drinking water program.
How many people does Sirwa #3 (Osceola) serve?
Sirwa #3 (Osceola) reports serving 4,080 people through 1,632 service connections in Clarke County, Iowa.
Where does Sirwa #3 (Osceola) get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Sirwa #3 (Osceola) have any drinking water violations?
EPA's records list 10 violations for this system; 9 are health-based, and the most recent began in June 2014. 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 Sirwa #3 (Osceola)'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 10 violations for this system; 9 are health-based, and the most recent began in June 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Sirwa #3 (Osceola)'s water quality report?
As a community water system, Sirwa #3 (Osceola) 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 Clarke County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Osceola Water Works | Clarke | 5,503 | Community | Surface water |
| Murray Water Works | Clarke | 684 | Community | Purchased surface water |
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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, “Sirwa #3 (Osceola), PWSID IA2038701, Iowa”, https://aquacensus.com/water-systems/iowa/sirwa-3-osceola-ia2038701 (data as of October 1, 2026).