CITY OF CHEROKEE — NPDES permit IA0059005: limits, due date and EPA's record

NPDES permit IA0059005 · Major POTW · administratively continued, expires 2026-01-31 · EPA's file as of 2026-09-19

This permit expired on 2026-01-31 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

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (25), BOD, carbonaceous [5 day, 20 C] (10), Solids, total suspended (6).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (182)

Outfall	Parameter	Statistic	Limit	Months
001	BOD, 5-day, 20 deg. C	30DA AVG	report only	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
001	BOD, 5-day, 20 deg. C	30DA AVG	report only	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
001	pH	DAILY MN	>= 6 SU	all year
001	pH	DAILY MX	<= 9 SU	all year
001	pH	30DA AVG	report only	all year
001	pH	DAILY MX	report only	all year
001	Solids, total suspended	30DA AVG	<= 30 mg/L	all year
001	Solids, total suspended	7 DA AVG	<= 45 mg/L	all year
001	Solids, total suspended	30DA AVG	<= 313 lb/d	all year
001	Solids, total suspended	7 DA AVG	<= 469 lb/d	all year
001	Solids, total suspended	30DA AVG	report only	all year
001	Solids, total suspended	DAILY MX	report only	all year
001	Solids, total suspended	30DA AVG	report only	all year
001	Solids, total suspended	DAILY MX	report only	all year
001	Nitrogen, total [as N]	30DA AVG	report only	all year
001	Nitrogen, total [as N]	DAILY MX	report only	all year
001	Nitrogen, total [as N]	30DA AVG	report only	all year
001	Nitrogen, total [as N]	DAILY MX	report only	all year
001	Nitrogen, total [as N]	30DA AVG	report only	all year
001	Nitrogen, total [as N]	DAILY MX	report only	all year
001	Nitrogen, total [as N]	30DA AVG	report only	all year
001	Nitrogen, total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 6.4 mg/L	Apr
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 4.1 mg/L	Sep
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 13.2 mg/L	Dec
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 3.6 mg/L	Jun
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 11.2 mg/L	Nov
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 16.8 mg/L	Feb
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 17.4 mg/L	Jan
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 3.6 mg/L	Aug
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 5.4 mg/L	May
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 9 mg/L	Oct
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 4 mg/L	Jul
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 9 mg/L	Mar
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 17.1 mg/L	Apr
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 18.2 mg/L	Sep
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 17.6 mg/L	Dec
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 15.8 mg/L	Jun
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 16.1 mg/L	Nov
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 16.8 mg/L	Feb
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 17.4 mg/L	Jan
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 17.6 mg/L	Aug
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 16.6 mg/L	May
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 17.3 mg/L	Oct
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 19.2 mg/L	Jul
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 16.5 mg/L	Mar
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 57.6 lb/d	Apr
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 37.4 lb/d	Sep
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 118.4 lb/d	Dec
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 32.9 lb/d	Jun
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 100.5 lb/d	Nov
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 169.6 lb/d	Feb
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 158.2 lb/d	Jan
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 32.3 lb/d	Aug
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 48.9 lb/d	May
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 80.9 lb/d	Oct
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 35.4 lb/d	Jul
001	Nitrogen, ammonia total [as N]	30DA AVG	<= 80.5 lb/d	Mar
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 175.7 lb/d	Apr
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 185.9 lb/d	Sep
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 180.2 lb/d	Dec
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 162 lb/d	Jun
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 164.7 lb/d	Nov
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 169.6 lb/d	Feb
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 176.6 lb/d	Jan
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 180.9 lb/d	Aug
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 170.1 lb/d	May
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 177.4 lb/d	Oct
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 197.1 lb/d	Jul
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 168.6 lb/d	Mar
001	Nitrogen, Kjeldahl, total [as N]	30DA AVG	report only	all year
001	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
001	Nitrogen, Kjeldahl, total [as N]	30DA AVG	report only	all year
001	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
001	Phosphorus, total [as P]	30DA AVG	report only	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Phosphorus, total [as P]	30DA AVG	report only	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Phosphorus, total [as P]	30DA AVG	report only	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Phosphorus, total [as P]	30DA AVG	report only	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	E. coli	GEO MEAN	<= 126 #/100mL	Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001	Toxicity [acute], Ceriodaphnia dubia	DAILY MX	<= 1 N=0;Y=1	all year
001	Toxicity [acute], Pimephales promelas [Fathead Minnow]	DAILY MX	<= 1 N=0;Y=1	all year
001	BOD, carbonaceous [5 day, 20 C]	30DA AVG	<= 25 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	7 DA AVG	<= 40 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	30DA AVG	<= 261 lb/d	all year
001	BOD, carbonaceous [5 day, 20 C]	7 DA AVG	<= 417 lb/d	all year
002	BOD, 5-day, 20 deg. C	30DA AVG	report only	all year
002	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
002	BOD, 5-day, 20 deg. C	30DA AVG	report only	all year
002	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
002	pH	DAILY MN	>= 6 SU	all year
002	pH	DAILY MX	<= 9 SU	all year
002	pH	30DA AVG	report only	all year
002	pH	DAILY MX	report only	all year
002	Solids, total suspended	30DA AVG	<= 30 mg/L	all year
002	Solids, total suspended	7 DA AVG	<= 45 mg/L	all year
002	Solids, total suspended	30DA AVG	<= 545 lb/d	all year
002	Solids, total suspended	7 DA AVG	<= 818 lb/d	all year
002	Solids, total suspended	30DA AVG	report only	all year
002	Solids, total suspended	DAILY MX	report only	all year
002	Solids, total suspended	30DA AVG	report only	all year
002	Solids, total suspended	DAILY MX	report only	all year
002	Nitrogen, total [as N]	30DA AVG	report only	all year
002	Nitrogen, total [as N]	DAILY MX	report only	all year
002	Nitrogen, total [as N]	30DA AVG	report only	all year
002	Nitrogen, total [as N]	DAILY MX	report only	all year
002	Nitrogen, total [as N]	30DA AVG	report only	all year
002	Nitrogen, total [as N]	DAILY MX	report only	all year
002	Nitrogen, total [as N]	30DA AVG	report only	all year
002	Nitrogen, total [as N]	DAILY MX	report only	all year
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 6.2 mg/L	May
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 10.4 mg/L	Mar
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 10.4 mg/L	Oct
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 4.7 mg/L	Jul
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 17.4 mg/L	Feb
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 7.4 mg/L	Apr
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 13 mg/L	Nov
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 4.1 mg/L	Jun
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 15.4 mg/L	Dec
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 4.7 mg/L	Sep
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 4.2 mg/L	Aug
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 17.9 mg/L	Jan
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 16.9 mg/L	May
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 17 mg/L	Mar
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 17.7 mg/L	Oct
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 19.6 mg/L	Jul
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 17.4 mg/L	Feb
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 17.5 mg/L	Apr
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 16.4 mg/L	Nov
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 16.1 mg/L	Jun
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 18 mg/L	Dec
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 18.6 mg/L	Sep
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 17.9 mg/L	Aug
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 17.9 mg/L	Jan
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 93 lb/d	May
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 153.6 lb/d	Mar
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 154.3 lb/d	Oct
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 68 lb/d	Jul
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 301.2 lb/d	Feb
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 109.6 lb/d	Apr
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 191.8 lb/d	Nov
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 62.3 lb/d	Jun
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 226.2 lb/d	Dec
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 70.9 lb/d	Sep
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 62 lb/d	Aug
002	Nitrogen, ammonia total [as N]	30DA AVG	<= 302.7 lb/d	Jan
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 299.7 lb/d	May
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 298 lb/d	Mar
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 312.8 lb/d	Oct
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 347.2 lb/d	Jul
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 301.2 lb/d	Feb
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 309.4 lb/d	Apr
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 290.1 lb/d	Nov
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 285.4 lb/d	Jun
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 317.7 lb/d	Dec
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 327.8 lb/d	Sep
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 318.4 lb/d	Aug
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 312.7 lb/d	Jan
002	Nitrogen, Kjeldahl, total [as N]	30DA AVG	report only	all year
002	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
002	Nitrogen, Kjeldahl, total [as N]	30DA AVG	report only	all year
002	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
002	Phosphorus, total [as P]	30DA AVG	report only	all year
002	Phosphorus, total [as P]	DAILY MX	report only	all year
002	Phosphorus, total [as P]	30DA AVG	report only	all year
002	Phosphorus, total [as P]	DAILY MX	report only	all year
002	Phosphorus, total [as P]	30DA AVG	report only	all year
002	Phosphorus, total [as P]	DAILY MX	report only	all year
002	Phosphorus, total [as P]	30DA AVG	report only	all year
002	Phosphorus, total [as P]	DAILY MX	report only	all year
002	E. coli	GEO MEAN	<= 126 #/100mL	Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
002	Toxicity [acute], Ceriodaphnia dubia	DAILY MX	<= 1 N=0;Y=1	all year
002	Toxicity [acute], Pimephales promelas [Fathead Minnow]	DAILY MX	<= 1 N=0;Y=1	all year
002	BOD, carbonaceous [5 day, 20 C]	30DA AVG	<= 25 mg/L	all year
002	BOD, carbonaceous [5 day, 20 C]	7 DA AVG	<= 40 mg/L	all year
002	BOD, carbonaceous [5 day, 20 C]	30DA AVG	<= 455 lb/d	all year
002	BOD, carbonaceous [5 day, 20 C]	7 DA AVG	<= 727 lb/d	all year