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COCKLIN FISH FARM

PWS ID: IA1509901 · GRISWOLD, Iowa 51535

COCKLIN FISH FARM serves 65 people in GRISWOLD, Iowa using Groundwater water sources. It has 4 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: COCKLIN FISH FARM

COCKLIN FISH FARM is a local-owned transient non-community water system that delivers drinking water to 65 residents in GRISWOLD, Iowa (Cass County) through 5 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 4 total violations for this system , of which 4 (100%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Nitrate, recorded in 4 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Iowa, EPA tracks 1,795 public water systems serving 3,114,444 people, with 138,271 cumulative violations and 27,946 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 77 violations. COCKLIN FISH FARM's 4 violations sit below the Iowa average. Statewide, 127 of 152 UCMR5-tested systems have reported PFAS detections (83.6%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
65
Total Violations
4
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Local
Connections
5
County
Cass
School/Daycare
No
MCL Violations
4
Monitoring Violations
0
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MCL 4 2020

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for COCKLIN FISH FARM.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID IA1509901 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Iowa Drinking Water Authority

Iowa's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find IA regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2020 Nitrate MCL 4 SDWIS / IA1509901 / 1040

How COCKLIN FISH FARM Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric COCKLIN FISH FARM Iowa avg Federal benchmark
Total violations 4 77 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 15.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 83.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 65 1,735 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,795 regulated public water systems in Iowa.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is COCKLIN FISH FARM water safe to drink?
COCKLIN FISH FARM (PWS ID: IA1509901) has 4 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 65 people using Groundwater sources.
How many people does COCKLIN FISH FARM serve?
COCKLIN FISH FARM serves 65 people in GRISWOLD, Iowa. It is a Local-owned system using Groundwater water sources with 5 service connections.
What type of violations does COCKLIN FISH FARM have?
COCKLIN FISH FARM has 4 total violations: 4 health-based violations (MCL exceedances or treatment failures), 0 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in COCKLIN FISH FARM water?
No PFAS testing data is available for COCKLIN FISH FARM under the EPA's UCMR5 monitoring program.
What water source does COCKLIN FISH FARM use?
COCKLIN FISH FARM uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial