KOCH FERTILIZER FT. DODGE, LLC — NPDES permit IA0000302: limits, due date and EPA's record

NPDES permit IA0000302 · Minor NON-POTW · administratively continued, expires 2024-07-31 · EPA's file as of 2026-09-19

This permit expired on 2024-07-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among IA permits in EPA's filings — check your permit).

Limits in force (120)

Outfall	Parameter	Statistic	Limit	Months
001	pH	DAILY MN	>= 6 SU	all year
001	pH	DAILY MX	<= 9 SU	all year
001	Nitrogen, organic total [as N]	30DA AVG	<= 275 lb/d	all year
001	Nitrogen, organic total [as N]	DAILY MX	<= 515 lb/d	all year
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 5 mg/L	Oct
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 4.5 mg/L	Apr
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 5.5 mg/L	May
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 6.5 mg/L	Sep
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 7.1 mg/L	Jan
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 7.2 mg/L	Feb
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 8 mg/L	Aug
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 7 mg/L	Jun
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 5.5 mg/L	Mar
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 4.9 mg/L	Nov
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 5.4 mg/L	Dec
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 7.1 mg/L	Jul
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 5 mg/L	Oct
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.5 mg/L	Apr
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 5.5 mg/L	May
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 6.5 mg/L	Sep
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 7.1 mg/L	Jan
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 7.2 mg/L	Feb
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 8 mg/L	Aug
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 7 mg/L	Jun
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 5.5 mg/L	Mar
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.9 mg/L	Nov
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 5.4 mg/L	Dec
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 7.1 mg/L	Jul
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 81.1 lb/d	Oct
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 72.7 lb/d	Apr
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 88.7 lb/d	May
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 106.7 lb/d	Sep
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 118.3 lb/d	Jan
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 116.2 lb/d	Feb
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 115.8 lb/d	Aug
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 114.5 lb/d	Jun
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 87.5 lb/d	Mar
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 80.5 lb/d	Nov
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 90.3 lb/d	Dec
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 115.4 lb/d	Jul
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 81.1 lb/d	Oct
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 72.7 lb/d	Apr
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 88.7 lb/d	May
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 106.7 lb/d	Sep
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 118.3 lb/d	Jan
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 116.2 lb/d	Feb
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 131.4 lb/d	Aug
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 114.5 lb/d	Jun
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 87.5 lb/d	Mar
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 80.5 lb/d	Nov
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 90.3 lb/d	Dec
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 115.4 lb/d	Jul
001	Nitrogen, nitrate total [as N]	30DA AVG	<= 142 lb/d	all year
001	Nitrogen, nitrate total [as N]	DAILY MX	<= 233 lb/d	all year
001	Sulfate, total [as SO4]	30DA AVG	<= 2161 mg/L	all year
001	Sulfate, total [as SO4]	DAILY MX	<= 2161 mg/L	all year
001	Sulfate, total [as SO4]	30DA AVG	<= 37341 lb/d	all year
001	Sulfate, total [as SO4]	DAILY MX	<= 37341 lb/d	all year
002	pH	DAILY MN	>= 6 SU	all year
002	pH	DAILY MX	<= 9 SU	all year
002	Solids, total suspended	30DA AVG	<= 45 mg/L	all year
002	Solids, total suspended	7 DA AVG	<= 30 mg/L	all year
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 11.1 mg/L	May
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 5.3 mg/L	Jul
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 7 mg/L	Feb
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 4.9 mg/L	Dec
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 10.3 mg/L	Jan
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 4.3 mg/L	Nov
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 4.4 mg/L	Oct
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 5 mg/L	Aug
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 4.6 mg/L	Sep
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 12.6 mg/L	Jun
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 9.5 mg/L	Apr
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 4.6 mg/L	Mar
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 11.1 mg/L	May
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 5.7 mg/L	Jul
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 7 mg/L	Feb
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.9 mg/L	Dec
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 10.3 mg/L	Jan
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.3 mg/L	Nov
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.4 mg/L	Oct
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 5.7 mg/L	Aug
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.6 mg/L	Sep
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 12.6 mg/L	Jun
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 9.5 mg/L	Apr
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.6 mg/L	Mar
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 62.4 lb/d	May
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 29.7 lb/d	Jul
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 39.5 lb/d	Feb
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 27.3 lb/d	Dec
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 58.1 lb/d	Jan
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 24.4 lb/d	Nov
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 24.6 lb/d	Oct
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 28.2 lb/d	Aug
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 26.1 lb/d	Sep
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 70.8 lb/d	Jun
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 53.4 lb/d	Apr
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 25.7 lb/d	Mar
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 62.4 lb/d	May
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 32.1 lb/d	Jul
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 39.5 lb/d	Feb
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 27.3 lb/d	Dec
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 58.1 lb/d	Jan
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 24.4 lb/d	Nov
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 24.6 lb/d	Oct
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 32.1 lb/d	Aug
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 26.1 lb/d	Sep
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 70.8 lb/d	Jun
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 53.4 lb/d	Apr
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 25.7 lb/d	Mar
002	Depth of pond or reservoir in feet	30DA AVG	report only	all year
002	Depth of pond or reservoir in feet	DAILY MX	report only	all year
002	BOD, carbonaceous [5 day, 20 C]	30DA AVG	<= 40 mg/L	all year
002	BOD, carbonaceous [5 day, 20 C]	7 DA AVG	<= 25 mg/L	all year
003	Nitrogen, ammonia total [as N]	DAILY MX	<= 10.1 mg/L	all year
003	Nitrite + Nitrate total [as N]	DAILY MX	<= 320 mg/L	all year
004	Nitrogen, ammonia total [as N]	DAILY MX	<= 10.1 mg/L	all year
004	Nitrite + Nitrate total [as N]	DAILY MX	<= 320 mg/L	all year
005	Nitrogen, ammonia total [as N]	DAILY MX	<= 10.1 mg/L	all year
005	Nitrite + Nitrate total [as N]	DAILY MX	<= 320 mg/L	all year