Public water system · IA8080701
ActiveSirwa #2 (Creston)
At a glance
Sirwa #2 (Creston) (PWSID IA8080701) is an active community water system serving Madison, Ringgold, Decatur, Union, Taylor and 3 more counties, Iowa. It reports serving 20,793 people through 8,317 service connections. Its primary water source is surface water, and EPA lists it as privately owned. EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in May 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
20,793
Service connections
8,317
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Sirwa #2 (Creston) compare with other water systems in Iowa?
By EPA's size categories, Sirwa #2 (Creston) is a large system (10,001 to 100,000 people). 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 #2 (Creston) is about 3.1 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 24 Iowa systems (1.3%) list surface water as their primary source.
Who owns and regulates Sirwa #2 (Creston)?
EPA lists Sirwa #2 (Creston) 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.
Does Sirwa #2 (Creston) have drinking water violations?
EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in May 2015. The violations listed here began between April 1991 and May 2015. By type: 7 monitoring and reporting and 4 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 11 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 |
|---|---|---|---|---|
| 2015-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2014-06-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2008-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-09-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1991-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 11 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 #2 (Creston): frequently asked questions
Who runs Sirwa #2 (Creston)?
Sirwa #2 (Creston) (PWSID IA8080701) is a community water system privately owned. It is regulated by the IA state drinking water program.
How many people does Sirwa #2 (Creston) serve?
Sirwa #2 (Creston) reports serving 20,793 people through 8,317 service connections in Madison, Ringgold, Decatur, Union, Taylor and 3 more counties, Iowa.
Where does Sirwa #2 (Creston) get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Sirwa #2 (Creston) have any drinking water violations?
EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in May 2015. 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 #2 (Creston)'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 11 violations for this system; 4 are health-based, and the most recent began in May 2015. 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 #2 (Creston)'s water quality report?
As a community water system, Sirwa #2 (Creston) 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 Madison County(the first county EPA lists for this system)
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Winterset Municipal Waterworks | Madison | 5,428 | Community | Surface water |
| Earlham Municipal Waterworks | Madison | 1,446 | Community | Purchased surface water |
| Truro Waterworks | Madison | 525 | Community | Purchased surface water |
Related pages
- All water systems in Madison County· 4 active
- All water systems in Ringgold County· 3 active
- All water systems in Decatur County· 5 active
- All water systems in Taylor County· 3 active
- All Iowa public water systems· 1,828 active
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
- What a drinking water violation notice means
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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 #2 (Creston), PWSID IA8080701, Iowa”, https://aquacensus.com/water-systems/iowa/sirwa-2-creston-ia8080701 (data as of October 1, 2026).