Public water system · IA7709801
ActiveDmww-Greenbrier Estates
At a glance
Dmww-Greenbrier Estates (PWSID IA7709801) is an active community water system in Dallas County, Iowa. It reports serving 300 people through 98 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 11 violations for this system; none is health-based, and the most recent began in January 2002.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
300
Service connections
98
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Dmww-Greenbrier Estates compare with other water systems in Dallas County?
By EPA's size categories, Dmww-Greenbrier Estates is a very small system (500 people or fewer). Dallas County has 23 active public water systems. Its population served is well below the county average of 6,420 people per system, and accounts for 0.2% of the 147,667 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 Dmww-Greenbrier Estates 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. 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 Dmww-Greenbrier Estates?
EPA lists Dmww-Greenbrier Estates 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. 9 of the 23 active systems in Dallas County (39%) are also privately owned.
Does Dmww-Greenbrier Estates have drinking water violations?
EPA's records list 11 violations for this system; none is health-based, and the most recent began in January 2002. The violations listed here began between July 1987 and January 2002. By type: 11 monitoring and reporting. The contaminants or rules involved are Total coliform bacteria (TCR), Lead and Copper Rule, Cadmium and Mercury. 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 |
|---|---|---|---|---|
| 2002-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1991-04-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 1987-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | 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.
Dmww-Greenbrier Estates: frequently asked questions
Who runs Dmww-Greenbrier Estates?
Dmww-Greenbrier Estates (PWSID IA7709801) is a community water system privately owned. It is regulated by the IA state drinking water program.
How many people does Dmww-Greenbrier Estates serve?
Dmww-Greenbrier Estates reports serving 300 people through 98 service connections in Dallas County, Iowa.
Where does Dmww-Greenbrier Estates 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 Dmww-Greenbrier Estates have any drinking water violations?
EPA's records list 11 violations for this system; none is health-based, and the most recent began in January 2002. 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 Dmww-Greenbrier Estates' 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; none is health-based, and the most recent began in January 2002. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Dmww-Greenbrier Estates' water quality report?
As a community water system, Dmww-Greenbrier Estates 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 Dallas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| West Des Moines Water Works | Dallas + 1 more | 73,959 | Community | Purchased surface water |
| Waukee Water Supply | Dallas | 31,823 | Community | Purchased surface water |
| Xenia Rwd (Des Moines) | Dallas | 12,860 | Community | Purchased surface water |
| Perry Municipal Water Works | Dallas | 7,836 | Community | Groundwater |
| Adel Municipal Water Works | Dallas | 6,461 | Community | Groundwater |
| Xenia Rwd (Woodward) | Dallas | 3,465 | 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, “Dmww-Greenbrier Estates, PWSID IA7709801, Iowa”, https://aquacensus.com/water-systems/iowa/dmww-greenbrier-estates-ia7709801 (data as of October 1, 2026).