Public water system · IA7383901
ActiveSouthwest Reg Water District (Clarinda)
At a glance
Southwest Reg Water District (Clarinda) (PWSID IA7383901) is an active community water system in Page County, Iowa. It reports serving 2,942 people through 822 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in July 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,942
Service connections
822
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Southwest Reg Water District (Clarinda) compare with other water systems in Page County?
By EPA's size categories, Southwest Reg Water District (Clarinda) is a small system (501 to 3,300 people). Page County has 9 active public water systems, and Southwest Reg Water District (Clarinda) is the 3rd-largest of them by population served. Its population served is about 76% above the county average of 1,672 people per system, and accounts for 20% of the 15,052 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 Southwest Reg Water District (Clarinda) is about 56% 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 Southwest Reg Water District (Clarinda)?
EPA lists Southwest Reg Water District (Clarinda) 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 9 active systems in Page County (11%) are also privately owned.
Does Southwest Reg Water District (Clarinda) have drinking water violations?
Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in July 2020. The violations listed here began between November 2008 and July 2020. By type: 9 contaminant level above the legal limit, 2 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (4 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2020-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2020-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2019-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2015-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2015-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2014-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2014-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2013-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2010-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2008-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The 12 most recent 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.
Southwest Reg Water District (Clarinda): frequently asked questions
Who runs Southwest Reg Water District (Clarinda)?
Southwest Reg Water District (Clarinda) (PWSID IA7383901) is a community water system privately owned. It is regulated by the IA state drinking water program.
How many people does Southwest Reg Water District (Clarinda) serve?
Southwest Reg Water District (Clarinda) reports serving 2,942 people through 822 service connections in Page County, Iowa.
Where does Southwest Reg Water District (Clarinda) 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 Southwest Reg Water District (Clarinda) have any drinking water violations?
Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in July 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 Southwest Reg Water District (Clarinda)'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. Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in July 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Southwest Reg Water District (Clarinda)'s water quality report?
As a community water system, Southwest Reg Water District (Clarinda) 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 Page County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Shenandoah Water Dept | Page | 4,925 | Community | Groundwater |
| Clarinda Water Plant | Page | 4,372 | Community | Surface water |
| Clarinda Treatment Complex | Page | 1,439 | Community | Groundwater |
| Essex Water Supply | Page | 722 | Community | Groundwater |
| Coin Water Supply | Page | 176 | Community | Purchased groundwater |
| College Springs Water Supply | Page | 170 | 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, “Southwest Reg Water District (Clarinda), PWSID IA7383901, Iowa”, https://aquacensus.com/water-systems/iowa/southwest-reg-water-district-clarinda-ia7383901 (data as of October 1, 2026).