BARLING, CITY OF — NPDES permit AR0048801: limits, due date and EPA's record

NPDES permit AR0048801 · Major POTW · administratively continued, expires 2025-09-30 · EPA's file as of 2026-09-19

This permit expired on 2025-09-30 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: 2026-07-31. Most often over: Coliform, fecal general (1).

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (45)

Outfall	Parameter	Statistic	Limit	Months
002	Oxygen, dissolved [DO]	INST MIN	>= 2 mg/L	all year
002	BOD, 5-day, 20 deg. C	MO AVG	<= 30 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
002	BOD, 5-day, 20 deg. C	7 DA AVG	<= 45 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
002	BOD, 5-day, 20 deg. C	MO AVG	<= 938.3 lb/d	Jan, Feb, Mar, Apr, Nov, Dec
002	pH	MINIMUM	>= 6 SU	all year
002	pH	MAXIMUM	<= 9 SU	all year
002	Solids, total suspended	MO AVG	<= 90 mg/L	all year
002	Solids, total suspended	7 DA AVG	<= 135 mg/L	all year
002	Solids, total suspended	MO AVG	<= 2814.8 lb/d	all year
002	Oil & Grease	MO AVG	<= 10 mg/L	all year
002	Oil & Grease	7 DA AVG	<= 15 mg/L	all year
002	Oil & Grease	MO AVG	<= 312.8 lb/d	all year
002	Nitrogen, ammonia total [as N]	MO AVG	<= 5 mg/L	May, Jun, Jul, Aug, Sep, Oct
002	Nitrogen, ammonia total [as N]	7 DA AVG	<= 7.5 mg/L	May, Jun, Jul, Aug, Sep, Oct
002	Nitrogen, ammonia total [as N]	MO AVG	<= 156.4 lb/d	May, Jun, Jul, Aug, Sep, Oct
002	Nitrite + Nitrate total [as N]	MO AVG	report only	all year
002	Nitrite + Nitrate total [as N]	7 DA AVG	report only	all year
002	Nitrite + Nitrate total [as N]	MO AVG	report only	all year
002	Phosphorus, total [as P]	MO AVG	report only	all year
002	Phosphorus, total [as P]	7 DA AVG	report only	all year
002	Phosphorus, total [as P]	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Chlorine, total residual	INST MAX	<= .033 mg/L	all year
002	Coliform, fecal general	30DA GEO	<= 200 #/100mL	May, Jun, Jul, Aug, Sep
002	Coliform, fecal general	30DA GEO	<= 1000 #/100mL	Jan, Feb, Mar, Apr, Oct, Nov, Dec
002	Coliform, fecal general	7 DA GEO	<= 400 #/100mL	May, Jun, Jul, Aug, Sep
002	Coliform, fecal general	7 DA GEO	<= 2000 #/100mL	Jan, Feb, Mar, Apr, Oct, Nov, Dec
002	Overflows	MO TOTAL	report only	all year
002	Overflow volume [SS0 volume, CSO volume]	MO TOTAL	report only	all year
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 25 mg/L	May, Jun, Jul, Aug, Sep, Oct
002	BOD, carbonaceous [5 day, 20 C]	7 DA AVG	<= 38 mg/L	May, Jun, Jul, Aug, Sep, Oct
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 781.9 lb/d	May, Jun, Jul, Aug, Sep, Oct
TX2	Whole effluent toxicity - retest #1	48HR MIN	report only	all year
TX2	Whole effluent toxicity - retest #2	48HR MIN	report only	all year
TX2	WET, sublethal retest #1	48HR MIN	report only	all year
TX2	WET, sublethal retest #2	48HR MIN	report only	all year
TX2	Whole Effluent Toxicity - Retest #3	48HR MIN	report only	all year
TX2	Whole Effluent Toxicity, Sub-Lethal Retest #3	48HR MIN	report only	all year
TX2	Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex	48HR MIN	report only	all year
TX2	LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas	48HR MIN	report only	all year
TX2	NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex	48HR MIN	report only	all year
TX2	NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas	48HR MIN	report only	all year
TX2	Coef Of Var Static Renewal 48Hr Acute D. pulex	48HR MIN	report only	all year
TX2	Coef Of Var Static Renewal 48Hr Acute Pimephales promelas	48HR MIN	report only	all year