Whirlpool Corporation — NPDES permit IA0000744: limits, due date and EPA's record

Household Refrigerators And Freezers, major discharger, Amana, Iowa. NPDES permit IA0000744 expired Mar 31, 2025; its limits still apply. Last 12 months: over a limit 12 times (last July 2026), 6 of 36 reports late. Source: EPA ECHO, Oct 22, 2026.

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period ending	Outfall	Parameter	Reported	Limit	Over by
October 2025	003	Zinc, total [as Zn], daily maximum	.451	≤ .2156 mg/L	109%
October 2025	003	pH, daily minimum	6.49	≥ 6.5 SU	—
December 2025	003	Zinc, total [as Zn], daily maximum	.231	≤ .2156 mg/L	7%
January 2026	001	pH, daily minimum	6.34	≥ 6.5 SU	—
January 2026	003	Zinc, total [as Zn], daily maximum	.323	≤ .2156 mg/L	50%
February 2026	002	Chloride [as Cl], 30-day average	424.5	≤ 389 mg/L	9%
February 2026	003	pH, daily minimum	6.46	≥ 6.5 SU	—
March 2026	002	Chloride [as Cl], 30-day average	445.3333	≤ 389 mg/L	14%
April 2026	003	Zinc, total [as Zn], daily maximum	.333	≤ .2156 mg/L	54%
June 2026	003	pH, daily minimum	6.28	≥ 6.5 SU	—
July 2026	001	pH, daily maximum	9.93	≤ 9 SU	—
July 2026	003	Toxicity [acute], Pimephales promelas [Fathead Minnow], daily maximum	2	≤ 1 N=0;Y=1	100%

Limits in force (141)

Parameter	Statistic	Limit	Months	Outfall
pH	daily minimum	≥ 6.5 SU	all year	001
pH	daily maximum	≤ 9 SU	all year	001
Cyanide, total [as CN]	30-day average	≤ .0052 mg/L	all year	001
Cyanide, total [as CN]	daily maximum	≤ .022 mg/L	all year	001
Cyanide, total [as CN]	30-day average	≤ .06011 lb/d	all year	001
Cyanide, total [as CN]	daily maximum	≤ .2543 lb/d	all year	001
Chloride [as Cl]	30-day average	≤ 389 mg/L	all year	001
Chloride [as Cl]	daily maximum	≤ 629 mg/L	all year	001
Chloride [as Cl]	30-day average	≤ 4493 lb/d	all year	001
Chloride [as Cl]	daily maximum	≤ 7269 lb/d	all year	001
Zinc, total [as Zn]	30-day average	≤ .2156 mg/L	all year	001
Zinc, total [as Zn]	daily maximum	≤ .2156 mg/L	all year	001
Zinc, total [as Zn]	30-day average	≤ 2.492 lb/d	all year	001
Zinc, total [as Zn]	daily maximum	≤ 2.492 lb/d	all year	001
Oxygen, dissolved [DO]	daily minimum	≥ 5 mg/L	all year	002
BOD, 5-day, 20 deg. C	30-day average	report only (mg/L)	all year	002
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	002
BOD, 5-day, 20 deg. C	30-day average	report only (lb/d)	all year	002
BOD, 5-day, 20 deg. C	daily maximum	report only (lb/d)	all year	002
pH	daily minimum	≥ 6.5 SU	all year	002
pH	daily maximum	≤ 9 SU	all year	002
pH	30-day average	report only (SU)	all year	002
pH	daily maximum	report only (SU)	all year	002
Solids, total suspended	30-day average	≤ 30 mg/L	all year	002
Solids, total suspended	daily maximum	≤ 45 mg/L	all year	002
Solids, total suspended	30-day average	≤ 75 lb/d	all year	002
Solids, total suspended	daily maximum	≤ 113 lb/d	all year	002
Solids, total suspended	30-day average	report only (mg/L)	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Solids, total suspended	30-day average	report only (lb/d)	all year	002
Solids, total suspended	daily maximum	report only (lb/d)	all year	002
Nitrogen, Kjeldahl, total [as N]	30-day average	report only (mg/L)	all year	002
Nitrogen, Kjeldahl, total [as N]	daily maximum	report only (mg/L)	all year	002
Nitrogen, Kjeldahl, total [as N]	30-day average	report only (lb/d)	all year	002
Nitrogen, Kjeldahl, total [as N]	daily maximum	report only (lb/d)	all year	002
Chloride [as Cl]	30-day average	≤ 389 mg/L	all year	002
Chloride [as Cl]	daily maximum	≤ 629 mg/L	all year	002
Chloride [as Cl]	30-day average	≤ 972 lb/d	all year	002
Chloride [as Cl]	daily maximum	≤ 1573 lb/d	all year	002
Chlorine, total residual	30-day average	≤ .012 mg/L	all year	002
Chlorine, total residual	daily maximum	≤ .028 mg/L	all year	002
Chlorine, total residual	30-day average	≤ .029 lb/d	all year	002
Chlorine, total residual	daily maximum	≤ .065 lb/d	all year	002
E. coli	geometric mean	≤ 126 #/100mL	Mar–Nov	002
BOD, carbonaceous [5 day, 20 C]	30-day average	≤ 25 mg/L	all year	002
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 40 mg/L	all year	002
BOD, carbonaceous [5 day, 20 C]	30-day average	≤ 63 lb/d	all year	002
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 100 lb/d	all year	002
pH	daily minimum	≥ 6.5 SU	all year	003
pH	daily maximum	≤ 9 SU	all year	003
Solids, total suspended	30-day average	≤ 31 mg/L	all year	003
Solids, total suspended	daily maximum	≤ 60 mg/L	all year	003
Solids, total suspended	30-day average	≤ 19 lb/d	all year	003
Solids, total suspended	daily maximum	≤ 37 lb/d	all year	003
Oil & Grease	30-day average	≤ 26 mg/L	all year	003
Oil & Grease	daily maximum	≤ 52 mg/L	all year	003
Oil & Grease	30-day average	≤ 16 lb/d	all year	003
Oil & Grease	daily maximum	≤ 32 lb/d	all year	003
Nitrogen, ammonia total [as N]	30-day average	≤ 1.7 mg/L	May	003
Nitrogen, ammonia total [as N]	30-day average	≤ 3.4 mg/L	Jan	003
Nitrogen, ammonia total [as N]	30-day average	≤ 2.3 mg/L	Nov	003
Nitrogen, ammonia total [as N]	30-day average	≤ 1 mg/L	Aug	003
Nitrogen, ammonia total [as N]	30-day average	≤ 1.5 mg/L	Apr	003
Nitrogen, ammonia total [as N]	30-day average	≤ 1.6 mg/L	Oct	003
Nitrogen, ammonia total [as N]	30-day average	≤ 3.4 mg/L	Mar	003
Nitrogen, ammonia total [as N]	30-day average	≤ 1.3 mg/L	Jun	003
Nitrogen, ammonia total [as N]	30-day average	≤ 2.5 mg/L	Dec	003
Nitrogen, ammonia total [as N]	30-day average	≤ 1.1 mg/L	Sep	003
Nitrogen, ammonia total [as N]	30-day average	≤ 1 mg/L	Jul	003
Nitrogen, ammonia total [as N]	30-day average	≤ 4 mg/L	Feb	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 4 mg/L	May	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 15.2 mg/L	Jan	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 6.2 mg/L	Nov	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 3.9 mg/L	Aug	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 4 mg/L	Apr	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 4 mg/L	Oct	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 7.8 mg/L	Mar	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 4 mg/L	Jun	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 11.6 mg/L	Dec	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 3.9 mg/L	Sep	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 3.9 mg/L	Jul	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 14.2 mg/L	Feb	003
Nitrogen, ammonia total [as N]	30-day average	≤ 6.3 lb/d	May	003
Nitrogen, ammonia total [as N]	30-day average	≤ 12.3 lb/d	Jan	003
Nitrogen, ammonia total [as N]	30-day average	≤ 8.4 lb/d	Nov	003
Nitrogen, ammonia total [as N]	30-day average	≤ 3.5 lb/d	Aug	003
Nitrogen, ammonia total [as N]	30-day average	≤ 5.5 lb/d	Apr	003
Nitrogen, ammonia total [as N]	30-day average	≤ 5.6 lb/d	Oct	003
Nitrogen, ammonia total [as N]	30-day average	≤ 12.3 lb/d	Mar	003
Nitrogen, ammonia total [as N]	30-day average	≤ 4.7 lb/d	Jun	003
Nitrogen, ammonia total [as N]	30-day average	≤ 8.9 lb/d	Dec	003
Nitrogen, ammonia total [as N]	30-day average	≤ 3.8 lb/d	Sep	003
Nitrogen, ammonia total [as N]	30-day average	≤ 3.6 lb/d	Jul	003
Nitrogen, ammonia total [as N]	30-day average	≤ 14.3 lb/d	Feb	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 14.4 lb/d	May	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 54.9 lb/d	Jan	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 22.3 lb/d	Nov	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 14.1 lb/d	Aug	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 14.4 lb/d	Apr	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 14.4 lb/d	Oct	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 28.1 lb/d	Mar	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 14.4 lb/d	Jun	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 41.8 lb/d	Dec	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 14.1 lb/d	Sep	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 14.1 lb/d	Jul	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 51.3 lb/d	Feb	003
Cyanide, total [as CN]	30-day average	≤ .0052 mg/L	all year	003
Cyanide, total [as CN]	daily maximum	≤ .022 mg/L	all year	003
Cyanide, total [as CN]	30-day average	≤ .01873 lb/d	all year	003
Cyanide, total [as CN]	daily maximum	≤ .07926 lb/d	all year	003
Chloride [as Cl]	30-day average	≤ 389 mg/L	all year	003
Chloride [as Cl]	daily maximum	≤ 629 mg/L	all year	003
Chloride [as Cl]	30-day average	≤ 1400 lb/d	all year	003
Chloride [as Cl]	daily maximum	≤ 2266 lb/d	all year	003
Cadmium, total [as Cd]	30-day average	≤ .0004523 mg/L	all year	003
Cadmium, total [as Cd]	daily maximum	≤ .004316 mg/L	all year	003
Cadmium, total [as Cd]	30-day average	≤ .001629 lb/d	all year	003
Cadmium, total [as Cd]	daily maximum	≤ .01555 lb/d	all year	003
Chromium, total [as Cr]	30-day average	≤ 1.71 mg/L	all year	003
Chromium, total [as Cr]	daily maximum	≤ 2.77 mg/L	all year	003
Chromium, total [as Cr]	30-day average	≤ 1.04 lb/d	all year	003
Chromium, total [as Cr]	daily maximum	≤ 1.69 lb/d	all year	003
Copper, total [as Cu]	30-day average	≤ .01687 mg/L	all year	003
Copper, total [as Cu]	daily maximum	≤ .0269 mg/L	all year	003
Copper, total [as Cu]	30-day average	≤ .06077 lb/d	all year	003
Copper, total [as Cu]	daily maximum	≤ .09691 lb/d	all year	003
Lead, total [as Pb]	30-day average	≤ .007693 mg/L	all year	003
Lead, total [as Pb]	daily maximum	≤ .1974 mg/L	all year	003
Lead, total [as Pb]	30-day average	≤ .02772 lb/d	all year	003
Lead, total [as Pb]	daily maximum	≤ .42 lb/d	all year	003
Silver, total [as Ag]	30-day average	≤ .0038 mg/L	all year	003
Silver, total [as Ag]	daily maximum	≤ .0038 mg/L	all year	003
Silver, total [as Ag]	30-day average	≤ .01369 lb/d	all year	003
Silver, total [as Ag]	daily maximum	≤ .01369 lb/d	all year	003
Zinc, total [as Zn]	30-day average	≤ .2156 mg/L	all year	003
Zinc, total [as Zn]	daily maximum	≤ .2156 mg/L	all year	003
Zinc, total [as Zn]	30-day average	≤ .7767 lb/d	all year	003
Zinc, total [as Zn]	daily maximum	≤ .7767 lb/d	all year	003
Toxicity [acute], Pimephales promelas [Fathead Minnow]	daily maximum	≤ 1 N=0;Y=1	all year	003
Organics, total toxic [TTO]	daily maximum	≤ 2.13 mg/L	all year	003
Organics, total toxic [TTO]	daily maximum	≤ 1.3 lb/d	all year	003

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/IA0000744 · MCP: https://passage-data.com/mcp