Public water system · IA5337046
ActiveMartelle Water Works
At a glance
Martelle Water Works (PWSID IA5337046) is an active community water system in Jones County, Iowa. It reports serving 249 people through 125 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
249
Service connections
125
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Martelle Water Works compare with other water systems in Jones County?
By EPA's size categories, Martelle Water Works is a very small system (500 people or fewer). Jones County has 37 active public water systems. Its population served is about 43% below the county average of 435 people per system, and accounts for 1.5% of the 16,079 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 Martelle Water Works 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 Martelle Water Works?
EPA lists Martelle Water Works 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. 10 of the 37 active systems in Jones County (27%) are also owned by a local government.
Does Martelle Water Works have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2022. The violations listed here began between August 1991 and July 2022. By type: 2 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2021-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1991-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 3 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.
Martelle Water Works: frequently asked questions
Who runs Martelle Water Works?
Martelle Water Works (PWSID IA5337046) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Martelle Water Works serve?
Martelle Water Works reports serving 249 people through 125 service connections in Jones County, Iowa.
Where does Martelle Water Works 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 Martelle Water Works have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2022. 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 Martelle Water Works' 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 3 violations for this system; none is health-based, and the most recent began in July 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Martelle Water Works' water quality report?
As a community water system, Martelle Water Works 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 Jones County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Anamosa Municipal Water Supply | Jones | 4,457 | Community | Groundwater |
| Monticello Water Supply | Jones | 4,040 | Community | Groundwater |
| Anamosa State Penitentiary | Jones | 1,230 | Community | Groundwater |
| Caseys General Store (Anamosa) | Jones | 1,215 | Transient non-community | Groundwater |
| Olin Water Supply | Jones | 651 | Community | Groundwater |
| Wyoming Water System | Jones | 523 | 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, “Martelle Water Works, PWSID IA5337046, Iowa”, https://aquacensus.com/water-systems/iowa/martelle-water-works-ia5337046 (data as of October 1, 2026).