Clean Water Act discharge permit · NPDES IA0079812

POET BIOREFINING - FAIRBANK, LLC, Fairbank, IA: NPDES IA0079812 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
5Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

POET BIOREFINING - FAIRBANK, LLC holds NPDES permit IA0079812. EPA’s file records it issued November 1, 2019 and expiring October 31, 2024.

POET BIOREFINING - FAIRBANK, LLC, Fairbank, Iowa: Individual permit IA0079812; Administratively continued (past its expiration date and still in force until reissued); issued November 1, 2019, term to October 31, 2024, by STA; Ethyl Alcohol Manufacturing.

Chlorine, total residual: 8 limits, 193 violations of any kind, 17 effluent exceedances, latest October 31, 2015, largest 1,489% over the limit.
Temperature, water deg. fahrenheit: 24 limits, 8 violations of any kind, 6 effluent exceedances, latest January 31, 2022, largest 7% over the limit.
Solids, total suspended: 4 limits, 6 violations of any kind, 6 effluent exceedances, latest August 31, 2022, largest 4,900% over the limit.
Iron, total [as Fe]: 4 limits, 4 violations of any kind, 4 effluent exceedances, latest February 28, 2014, largest 42% over the limit.
pH: 2 limits, 4 violations of any kind, 4 effluent exceedances, latest January 31, 2020.
Sulfate, total [as SO4]: 4 limits, 2 violations of any kind, 0 effluent exceedances.

POET BIOREFINING - FAIRBANK, LLC among its neighbors

EPA’s permit file holds 2 discharge permits in the Village of Fairbank-Little Wapsipinicon River subwatershed (HUC 070801020505), IA0079812 among them. Its county holds 18, 1 of them major permits; IA0079812 is a minor permit.

Other permits in the Village of Fairbank-Little Wapsipinicon River subwatershed (HUC 070801020505)

FAIRBANK CITY OF STP, Fairbank: IA0035041, minor permit, permit term to October 31, 2021

Identity

Facility as filed	POET BIOREFINING - FAIRBANK, LLC
Permittee as filed	POET BIOREFINING - FAIRBANK, LLC
NPDES ID	IA0079812
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	November 1, 2019
Expiration date	October 31, 2024
Issuing agency	STA
Address	Fairbank, IA 50629
Subwatershed	Village of Fairbank-Little Wapsipinicon River (HUC 070801020505)
NAICS	325193 – Ethyl Alcohol Manufacturing
SIC	2869 – Industrial Organic Chemicals
Other EPA IDs (FRS)	RCRA handler IAR000516468; ICIS-AIR source IA0000001901900058

Effluent limits and exceedances

6Pollutants on file
6Under a numeric limit
6With a violation of any kind
5With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Chlorine, total residual	8	193	17	October 31, 2015	1,489% over the limit
Temperature, water deg. fahrenheit	24	8	6	January 31, 2022	7% over the limit
Solids, total suspended	4	6	6	August 31, 2022	4,900% over the limit
Iron, total [as Fe]	4	4	4	February 28, 2014	42% over the limit
pH	2	4	4	January 31, 2020
Sulfate, total [as SO4]	4	2	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0079812.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0079812.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES IA0079812.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers Clean Water Act discharge permit NPDES IA0079812, held by POET BIOREFINING - FAIRBANK, LLC in Fairbank, IA, and lists its administratively continued status as a Minor Discharger class. The page reports 5 pollutants under a numeric limit and 5 pollutants with an effluent exceedance, with the permit's issue and expiration dates as recorded in the EPA permit file.