Public water system · IA1509901
ActiveCocklin Fish Farm
At a glance
Cocklin Fish Farm (PWSID IA1509901) is an active transient non-community water system in Cass County, Iowa. It reports serving 65 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is health-based, and the most recent began in November 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
65
Service connections
5
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Cocklin Fish Farm compare with other water systems in Cass County?
By EPA's size categories, Cocklin Fish Farm is a very small system (500 people or fewer). Cass County has 15 active public water systems. Its population served is well below the county average of 732 people per system, and accounts for 0.6% of the 10,975 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Cocklin Fish Farm is about half of that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Iowa has 626 active transient non-community water systems, 34% 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 Cocklin Fish Farm?
EPA lists Cocklin Fish Farm 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. 8 of the 15 active systems in Cass County (53%) are also owned by a local government.
Does Cocklin Fish Farm have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in November 2020. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Nitrate. EPA lists 1 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 |
|---|---|---|---|---|
| 2020-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Resolved |
The one violation in EPA's records.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.
Cocklin Fish Farm: frequently asked questions
Who runs Cocklin Fish Farm?
Cocklin Fish Farm (PWSID IA1509901) is a transient non-community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Cocklin Fish Farm serve?
Cocklin Fish Farm reports serving 65 people through 5 service connections in Cass County, Iowa.
Where does Cocklin Fish Farm 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 Cocklin Fish Farm have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in November 2020. 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 Cocklin Fish Farm'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 one violation for this system; it is health-based, and the most recent began in November 2020. For current results, consult EPA ECHO, or the IA state drinking water program.
Where can I find Cocklin Fish Farm's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Cocklin Fish Farm is a 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 Cass County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Atlantic Municipal Utilities | Cass | 7,252 | Community | Groundwater |
| Griswold Water Supply | Cass | 1,008 | Community | Groundwater |
| Anita Municipal Utilities | Cass | 972 | Community | Groundwater |
| Massena Water Supply | Cass | 364 | Community | Groundwater |
| Lewis Water Supply | Cass | 357 | Community | Groundwater |
| Cumberland Water Supply | Cass | 266 | 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, “Cocklin Fish Farm, PWSID IA1509901, Iowa”, https://aquacensus.com/water-systems/iowa/cocklin-fish-farm-ia1509901 (data as of October 1, 2026).