KEOWEE KEY UTILITY SYSTEMS INC WWTP — NPDES permit SC0022322: limits, due date and EPA's record

NPDES permit SC0022322 · Minor NON-POTW · administratively continued, expires 2019-11-30 · EPA's file as of 2026-09-19

This permit expired on 2019-11-30 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: 2026-08-31. Most often over: Phosphorus, total [as P] (1).

Reporting

Reports are due about 29 days after each monitoring period ends (the most common figure among SC permits in EPA's filings — check your permit).

Limits in force (41)

Outfall	Parameter	Statistic	Limit	Months
001	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
001	BOD, 5-day, 20 deg. C	MO AVG	<= 15 mg/L	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	<= 30 mg/L	all year
001	BOD, 5-day, 20 deg. C	MO AVG	<= 113 lb/d	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	<= 226 lb/d	all year
001	pH	MINIMUM	>= 6 SU	all year
001	pH	MAXIMUM	<= 8.5 SU	all year
001	Solids, total suspended	MO AVG	<= 30 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
001	Solids, total suspended	MO AVG	<= 225 lb/d	all year
001	Solids, total suspended	DAILY MX	<= 450 lb/d	all year
001	Nitrogen, total [as N]	MO AVG	report only	all year
001	Nitrogen, total [as N]	DAILY MX	report only	all year
001	Nitrogen, total [as N]	MO AVG	report only	all year
001	Nitrogen, total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 4.29 mg/L	Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	MO AVG	<= 7.34 mg/L	Jan, Feb, Nov, Dec
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 8.58 mg/L	Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 14.68 mg/L	Jan, Feb, Nov, Dec
001	Nitrogen, ammonia total [as N]	MO AVG	<= 32 lb/d	Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	MO AVG	<= 55 lb/d	Jan, Feb, Nov, Dec
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 64 lb/d	Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 110 lb/d	Jan, Feb, Nov, Dec
001	Phosphorus, total [as P]	MO AVG	<= .2 mg/L	all year
001	Phosphorus, total [as P]	DAILY MX	<= .4 mg/L	all year
001	Phosphorus, total [as P]	MO AVG	<= 1.5 lb/d	all year
001	Phosphorus, total [as P]	DAILY MX	<= 3 lb/d	all year
001	Hardness, total [as CaCO3]	MO AVG	report only	all year
001	Hardness, total [as CaCO3]	DAILY MX	report only	all year
001	Hardness, total [as CaCO3]	MO AVG	report only	all year
001	Hardness, total [as CaCO3]	DAILY MX	report only	all year
001	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	Chlorine, total residual	MO AVG	<= .046 mg/L	all year
001	Chlorine, total residual	DAILY MX	<= .08 mg/L	all year
001	Chlorine, total residual	MO AVG	<= .35 lb/d	all year
001	Chlorine, total residual	DAILY MX	<= .6 lb/d	all year
001	E. coli	30DAVGEO	<= 126 MPN/100mL	all year
001	E. coli	DAILY MX	<= 349 MPN/100mL	all year
001	E. coli	30DAVGEO	<= 126 MPN/100mL	all year
001	E. coli	DAILY MX	<= 800 MPN/100mL	all year