Public water system · IA3730098
ActiveGrand Jct Municipal Water Dept
At a glance
Grand Jct Municipal Water Dept (PWSID IA3730098) is an active community water system in Greene County, Iowa. It reports serving 725 people through 347 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in September 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
725
Service connections
347
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Grand Jct Municipal Water Dept compare with other water systems in Greene County?
By EPA's size categories, Grand Jct Municipal Water Dept is a small system (501 to 3,300 people). Greene County has 5 active public water systems, and Grand Jct Municipal Water Dept is the 2nd-largest of them by population served. Its population served is about 38% below the county average of 1,175 people per system, and accounts for 12% of the 5,876 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 Grand Jct Municipal Water Dept 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 Grand Jct Municipal Water Dept?
EPA lists Grand Jct Municipal Water Dept as owned by a local government. 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. 4 of the 5 active systems in Greene County (80%) are also owned by a local government.
Does Grand Jct Municipal Water Dept have drinking water violations?
EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in September 2023. The violations listed here began between December 1978 and September 2023. By type: 3 monitoring and reporting, 2 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Combined Radium (-226 and -228) (3 of them). EPA lists 3 as resolved and 3 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 |
|---|---|---|---|---|
| 2023-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 1999-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1982-06-24 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 1980-04-28 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Archived |
| 1978-12-19 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Archived |
All 6 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.
Grand Jct Municipal Water Dept: frequently asked questions
Who runs Grand Jct Municipal Water Dept?
Grand Jct Municipal Water Dept (PWSID IA3730098) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Grand Jct Municipal Water Dept serve?
Grand Jct Municipal Water Dept reports serving 725 people through 347 service connections in Greene County, Iowa.
Where does Grand Jct Municipal Water Dept 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 Grand Jct Municipal Water Dept have any drinking water violations?
EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in September 2023. 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 Grand Jct Municipal Water Dept'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 6 violations for this system; 2 are health-based, and the most recent began in September 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Grand Jct Municipal Water Dept's water quality report?
As a community water system, Grand Jct Municipal Water Dept 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 Greene County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Jefferson Water Department | Greene | 4,182 | Community | Groundwater |
| Scranton Water System | Greene | 511 | Community | Groundwater |
| Churdan Water Supply | Greene | 375 | Community | Purchased groundwater |
| Raccoon River Bible Camp | Greene | 83 | Transient non-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, “Grand Jct Municipal Water Dept, PWSID IA3730098, Iowa”, https://aquacensus.com/water-systems/iowa/grand-jct-municipal-water-dept-ia3730098 (data as of October 1, 2026).