Public water system · IA1400903
ActiveWest Central Rwa-Boyer System
At a glance
West Central Rwa-Boyer System (PWSID IA1400903) is an active community water system in Sac County, Iowa. It reports serving 1,715 people through 690 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,715
Service connections
690
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does West Central Rwa-Boyer System compare with other water systems in Sac County?
By EPA's size categories, West Central Rwa-Boyer System is a small system (501 to 3,300 people). Sac County has 9 active public water systems, and West Central Rwa-Boyer System is the 2nd-largest of them by population served. Its population served is about 82% above the county average of 944 people per system, and accounts for 20% of the 8,496 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 West Central Rwa-Boyer System is well 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 West Central Rwa-Boyer System?
EPA lists West Central Rwa-Boyer System 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 Sac County (11%) are also privately owned.
Does West Central Rwa-Boyer System have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2009. The violations listed here began between September 1980 and July 2009. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 11 as resolved and 1 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 |
|---|---|---|---|---|
| 2009-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1990-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1988-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 1988-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 1988-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 1988-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 1988-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 1988-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 1988-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1988-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 1980-09-30 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Archived |
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.
West Central Rwa-Boyer System: frequently asked questions
Who runs West Central Rwa-Boyer System?
West Central Rwa-Boyer System (PWSID IA1400903) is a community water system privately owned. It is regulated by the IA state drinking water program.
How many people does West Central Rwa-Boyer System serve?
West Central Rwa-Boyer System reports serving 1,715 people through 690 service connections in Sac County, Iowa.
Where does West Central Rwa-Boyer System 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 West Central Rwa-Boyer System have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2009. 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 West Central Rwa-Boyer System'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, none is health-based, and the most recent began in July 2009. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find West Central Rwa-Boyer System's water quality report?
As a community water system, West Central Rwa-Boyer System 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 Sac County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sac City Municipal Water Plant | Sac | 2,093 | Community | Groundwater |
| Lake View Water Supply | Sac | 1,133 | Community | Groundwater |
| Odebolt Water Supply | Sac | 994 | Community | Groundwater |
| Wall Lake Water Supply | Sac | 780 | Community | Groundwater |
| Schaller Water Supply | Sac | 729 | Community | Groundwater |
| Early Municipal Water Supply | Sac | 587 | 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, “West Central Rwa-Boyer System, PWSID IA1400903, Iowa”, https://aquacensus.com/water-systems/iowa/west-central-rwa-boyer-system-ia1400903 (data as of October 1, 2026).