Public water system · IA9958101
ActiveNew Cooperative Rowan Mill
At a glance
New Cooperative Rowan Mill (PWSID IA9958101) is an active non-transient non-community water system in Franklin County, Iowa. It reports serving 33 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
33
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does New Cooperative Rowan Mill compare with other water systems in Franklin County?
By EPA's size categories, New Cooperative Rowan Mill is a very small system (500 people or fewer). Franklin County has 20 active public water systems. Its population served is well below the county average of 517 people per system, and accounts for 0.3% of the 10,347 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so New Cooperative Rowan Mill is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Iowa has 118 active non-transient non-community water systems, 6.5% 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 New Cooperative Rowan Mill?
EPA lists New Cooperative Rowan Mill 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. 10 of the 20 active systems in Franklin County (50%) are also privately owned.
Does New Cooperative Rowan Mill have drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between July 2019 and July 2025. By type: 7 monitoring, 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (7 of them). EPA lists 10 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 |
|---|---|---|---|---|
| 2025-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-12-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-01-23 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-06-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 10 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.
New Cooperative Rowan Mill: frequently asked questions
Who runs New Cooperative Rowan Mill?
New Cooperative Rowan Mill (PWSID IA9958101) is a non-transient non-community water system privately owned. It is regulated by the IA state drinking water program.
How many people does New Cooperative Rowan Mill serve?
New Cooperative Rowan Mill reports serving 33 people through 2 service connections in Franklin County, Iowa.
Where does New Cooperative Rowan Mill 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 New Cooperative Rowan Mill have any drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2025. 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 New Cooperative Rowan Mill'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 10 violations for this system; none is health-based, and the most recent began in July 2025. For current results, consult EPA ECHO, or the IA state drinking water program.
Where can I find New Cooperative Rowan Mill's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. New Cooperative Rowan Mill is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Franklin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hampton Muni Water Works | Franklin | 4,337 | Community | Groundwater |
| Irua (Dows) | Franklin | 2,042 | Non-transient non-community | Groundwater |
| Sheffield Water Supply | Franklin | 1,130 | Community | Groundwater |
| Dudleys Corner | Franklin | 912 | Transient non-community | Groundwater |
| Latimer Water Supply | Franklin | 477 | Community | Groundwater |
| Zion Reformed Church | Franklin | 225 | 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, “New Cooperative Rowan Mill, PWSID IA9958101, Iowa”, https://aquacensus.com/water-systems/iowa/new-cooperative-rowan-mill-ia9958101 (data as of October 1, 2026).