NEWARK, CITY OF — NPDES permit TX0057231: limits, due date and EPA's record

NPDES permit TX0057231 · Minor POTW · effective, expires 2027-01-28 · EPA's file as of 2026-09-19

EPA's record, 2025-09-01 to 2026-08-31

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among TX permits in EPA's filings — check your permit).

Limits in force (18)

Outfall	Parameter	Statistic	Limit	Months
002	Oxygen, dissolved [DO]	MO MIN	>= 6 mg/L	all year
002	pH	MINIMUM	>= 6 SU	all year
002	pH	MAXIMUM	<= 9 SU	all year
002	Solids, total suspended	DAILY AV	<= 15 mg/L	all year
002	Solids, total suspended	SINGGRAB	<= 60 mg/L	all year
002	Solids, total suspended	DAILY AV	<= 19 lb/d	all year
002	Nitrogen, ammonia total [as N]	DAILY AV	<= 2 mg/L	all year
002	Nitrogen, ammonia total [as N]	SINGGRAB	<= 15 mg/L	all year
002	Nitrogen, ammonia total [as N]	DAILY AV	<= 2.5 lb/d	all year
002	Flow, in conduit or thru treatment plant	DAILY AV	<= .15 MGD	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Chlorine, total residual	MO MIN	>= 1 mg/L	all year
002	Chlorine, total residual	MO MAX	<= 4 mg/L	all year
002	E. coli	DAILY AV	<= 126 CFU/100mL	all year
002	E. coli	SINGGRAB	<= 399 CFU/100mL	all year
002	BOD, carbonaceous [5 day, 20 C]	DAILY AV	<= 7 mg/L	all year
002	BOD, carbonaceous [5 day, 20 C]	SINGGRAB	<= 32 mg/L	all year
002	BOD, carbonaceous [5 day, 20 C]	DAILY AV	<= 8.8 lb/d	all year