LEHIGH CNTY AUTH — NPDES permit PA0034029: limits, due date and EPA's record

NPDES permit PA0034029 · Minor NON-POTW · expired, expires 2024-06-30 · EPA's file as of 2026-09-19

This permit expired on 2024-06-30 and is expired: 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: 2026-06-30. Most often over: Nitrogen, ammonia total [as N] (12), Nitrogen, total [as N] (6), Solids, total suspended (2).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (63)

Outfall	Parameter	Statistic	Limit	Months
002	Oxygen, dissolved [DO]	INST MIN	>= 6 mg/L	all year
002	pH	INST MIN	>= 6 SU	all year
002	pH	INST MAX	<= 9 SU	all year
002	Solids, total suspended	MO AVG	<= 10 mg/L	all year
002	Solids, total suspended	WKLY AVG	<= 15 mg/L	all year
002	Solids, total suspended	MO AVG	<= 2.9 lb/d	all year
002	Solids, total suspended	WKLY AVG	<= 4.4 lb/d	all year
002	Solids, total suspended	MO AVG	report only	all year
002	Solids, total suspended	DAILY MX	report only	all year
002	Solids, total suspended	MO AVG	report only	all year
002	Solids, total suspended	DAILY MX	report only	all year
002	Nitrogen, total [as N]	MO AVG	report only	all year
002	Nitrogen, total [as N]	DAILY MX	report only	all year
002	Nitrogen, total [as N]	MO AVG	<= 5.4 lb/d	all year
002	Nitrogen, ammonia total [as N]	MO AVG	<= 3 mg/L	May, Jun, Jul, Aug, Sep, Oct
002	Nitrogen, ammonia total [as N]	MO AVG	<= 9 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	May, Jun, Jul, Aug, Sep, Oct
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	Jan, Feb, Mar, Apr, Nov, Dec
002	Nitrogen, ammonia total [as N]	MO AVG	<= .36 lb/d	May, Jun, Jul, Aug, Sep, Oct
002	Nitrogen, ammonia total [as N]	MO AVG	<= 1.1 lb/d	Jan, Feb, Mar, Apr, Nov, Dec
002	Nitrogen, nitrite total [as N]	MO AVG	report only	all year
002	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
002	Nitrogen, nitrite total [as N]	MO AVG	report only	all year
002	Nitrogen, nitrate total [as N]	MO AVG	report only	all year
002	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
002	Nitrogen, nitrate total [as N]	MO AVG	<= 4.5 lb/d	all year
002	Nitrogen, Kjeldahl, total [as N]	MO AVG	report only	all year
002	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
002	Nitrogen, Kjeldahl, 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]	DAILY MX	report only	all year
002	Phosphorus, total [as P]	MO AVG	<= .57 lb/d	all year
002	Zinc, total [as Zn]	MO AVG	<= .13 mg/L	all year
002	Zinc, total [as Zn]	DAILY MX	<= .151 mg/L	all year
002	Zinc, total [as Zn]	MO AVG	report only	all year
002	Aluminum, total [as Al]	ANNL AVG	report only	all year
002	Aluminum, total [as Al]	DAILY MX	report only	all year
002	Aluminum, total [as Al]	ANNL 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	MO AVG	<= .04 mg/L	all year
002	Chlorine, total residual	INST MAX	<= .1 mg/L	all year
002	Solids, total dissolved	MO AVG	<= 1000 mg/L	all year
002	Solids, total dissolved	DAILY MX	<= 2000 mg/L	all year
002	Solids, total dissolved	MO AVG	report only	all year
002	Coliform, fecal general	GEO MEAN	<= 200 #/100mL	May, Jun, Jul, Aug, Sep
002	Coliform, fecal general	GEO MEAN	<= 2000 #/100mL	Jan, Feb, Mar, Apr, Oct, Nov, Dec
002	Coliform, fecal general	INST MAX	<= 1000 #/100mL	May, Jun, Jul, Aug, Sep
002	Coliform, fecal general	INST MAX	<= 10000 #/100mL	Jan, Feb, Mar, Apr, Oct, Nov, Dec
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 10 mg/L	May, Jun, Jul, Aug, Sep, Oct
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 20 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
002	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	<= 15 mg/L	May, Jun, Jul, Aug, Sep, Oct
002	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	<= 30 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 2.9 lb/d	May, Jun, Jul, Aug, Sep, Oct
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 5.8 lb/d	Jan, Feb, Mar, Apr, Nov, Dec
002	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	<= 4.4 lb/d	May, Jun, Jul, Aug, Sep, Oct
002	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	<= 8.8 lb/d	Jan, Feb, Mar, Apr, Nov, Dec
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
002	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
002	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
002	BOD, carb-5 day, 20 deg C, percent removal	MO AV MN	>= 85 %	all year
002	Solids, suspended percent removal	MO AV MN	>= 85 %	all year