United States Pipe and Foundry Company LLC — NPDES permit AL0003271: limits, due date and EPA's record

NPDES permit AL0003271 · Minor NON-POTW · administratively continued, expires 2025-08-31 · EPA's file as of 2026-09-19

This permit expired on 2025-08-31 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: Oil & Grease (2).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among AL permits in EPA's filings — check your permit).

Limits in force (144)

Outfall	Parameter	Statistic	Limit	Months
001	Oxygen, dissolved [DO]	DAILY MN	>= 5 mg/L	all year
001	pH	DAILY MN	>= 7 SU	all year
001	pH	DAILY MX	<= 8.5 SU	all year
001	Solids, total suspended	MO AVG	<= 5.99 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 15.2 mg/L	all year
001	Solids, total suspended	ANNL AVG	<= 2503 lb/yr	all year
001	Oil & Grease	MO AVG	<= 4 mg/L	all year
001	Oil & Grease	DAILY MX	<= 12 mg/L	all year
001	Oil & Grease	ANNL AVG	<= 1250 lb/yr	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 6 mg/L	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 9 mg/L	all year
001	Copper, total [as Cu]	MO AVG	<= .064 mg/L	all year
001	Copper, total [as Cu]	DAILY MX	<= .116 mg/L	all year
001	Copper, total [as Cu]	ANNL AVG	<= 16.26 lb/yr	all year
001	Lead, total [as Pb]	MO AVG	<= .12 mg/L	all year
001	Lead, total [as Pb]	DAILY MX	<= .245 mg/L	all year
001	Lead, total [as Pb]	ANNL AVG	<= 43.04 lb/yr	all year
001	Zinc, total [as Zn]	MO AVG	<= .172 mg/L	all year
001	Zinc, total [as Zn]	DAILY MX	<= .453 mg/L	all year
001	Zinc, total [as Zn]	ANNL AVG	<= 76.08 lb/yr	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	Toxicity [chronic], Ceriodaphnia dubia	DAILY MX	<= 0 pass=0;fail=1	all year
001	Toxicity [chronic], Pimephales promelas [Fathead Minnow]	DAILY MX	<= 0 pass=0;fail=1	all year
001	Phenolic compounds, total	MO AVG	<= .038 mg/L	all year
001	Phenolic compounds, total	DAILY MX	<= .108 mg/L	all year
001	Phenolic compounds, total	ANNL AVG	<= 15.76 lb/d	all year
001	Mercury, total recoverable	DAILY MX	report only	all year
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 25 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	DAILY MX	<= 37.5 mg/L	all year
002	pH	DAILY MN	report only	all year
002	pH	DAILY MX	report only	all year
002	Solids, total suspended	DAILY MX	report only	all year
002	Oil & Grease	DAILY MX	<= 15 mg/L	all year
002	Nitrogen, total [as N]	DAILY MX	report only	all year
002	Carbon, tot organic [TOC]	DAILY MX	report only	all year
002	Cyanide, total [as CN]	DAILY MX	report only	all year
002	Arsenic, total recoverable	DAILY MX	report only	all year
002	Nickel, total recoverable	DAILY MX	report only	all year
002	Silver total recoverable	DAILY MX	report only	all year
002	Zinc, total recoverable	DAILY MX	report only	all year
002	Aluminum, total recoverable	DAILY MX	report only	all year
002	Cadmium, total recoverable	DAILY MX	report only	all year
002	Lead, total recoverable	DAILY MX	report only	all year
002	Chromium, total recoverable	DAILY MX	report only	all year
002	Copper, total recoverable	DAILY MX	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Mercury, total recoverable	DAILY MX	report only	all year
002	Organics, total toxic [TTO]	DAILY MX	report only	all year
003	pH	DAILY MN	report only	all year
003	pH	DAILY MX	report only	all year
003	Solids, total suspended	DAILY MX	report only	all year
003	Oil & Grease	DAILY MX	<= 15 mg/L	all year
003	Nitrogen, total [as N]	DAILY MX	report only	all year
003	Carbon, tot organic [TOC]	DAILY MX	report only	all year
003	Cyanide, total [as CN]	DAILY MX	report only	all year
003	Arsenic, total recoverable	DAILY MX	report only	all year
003	Nickel, total recoverable	DAILY MX	report only	all year
003	Silver total recoverable	DAILY MX	report only	all year
003	Zinc, total recoverable	DAILY MX	report only	all year
003	Aluminum, total recoverable	DAILY MX	report only	all year
003	Cadmium, total recoverable	DAILY MX	report only	all year
003	Lead, total recoverable	DAILY MX	report only	all year
003	Chromium, total recoverable	DAILY MX	report only	all year
003	Copper, total recoverable	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Mercury, total recoverable	DAILY MX	report only	all year
003	Organics, total toxic [TTO]	DAILY MX	report only	all year
004	pH	DAILY MN	report only	all year
004	pH	DAILY MX	report only	all year
004	Solids, total suspended	DAILY MX	report only	all year
004	Oil & Grease	DAILY MX	<= 15 mg/L	all year
004	Nitrogen, total [as N]	DAILY MX	report only	all year
004	Carbon, tot organic [TOC]	DAILY MX	report only	all year
004	Cyanide, total [as CN]	DAILY MX	report only	all year
004	Arsenic, total recoverable	DAILY MX	report only	all year
004	Nickel, total recoverable	DAILY MX	report only	all year
004	Silver total recoverable	DAILY MX	report only	all year
004	Zinc, total recoverable	DAILY MX	report only	all year
004	Aluminum, total recoverable	DAILY MX	report only	all year
004	Cadmium, total recoverable	DAILY MX	report only	all year
004	Lead, total recoverable	DAILY MX	report only	all year
004	Chromium, total recoverable	DAILY MX	report only	all year
004	Copper, total recoverable	DAILY MX	report only	all year
004	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
004	Mercury, total recoverable	DAILY MX	report only	all year
004	Organics, total toxic [TTO]	DAILY MX	report only	all year
005	pH	DAILY MN	report only	all year
005	pH	DAILY MX	report only	all year
005	Solids, total suspended	DAILY MX	report only	all year
005	Oil & Grease	DAILY MX	<= 15 mg/L	all year
005	Nitrogen, total [as N]	DAILY MX	report only	all year
005	Carbon, tot organic [TOC]	DAILY MX	report only	all year
005	Cyanide, total [as CN]	DAILY MX	report only	all year
005	Arsenic, total recoverable	DAILY MX	report only	all year
005	Nickel, total recoverable	DAILY MX	report only	all year
005	Silver total recoverable	DAILY MX	report only	all year
005	Zinc, total recoverable	DAILY MX	report only	all year
005	Aluminum, total recoverable	DAILY MX	report only	all year
005	Cadmium, total recoverable	DAILY MX	report only	all year
005	Lead, total recoverable	DAILY MX	report only	all year
005	Chromium, total recoverable	DAILY MX	report only	all year
005	Copper, total recoverable	DAILY MX	report only	all year
005	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
005	Mercury, total recoverable	DAILY MX	report only	all year
005	Organics, total toxic [TTO]	DAILY MX	report only	all year
006	pH	DAILY MN	report only	all year
006	pH	DAILY MX	report only	all year
006	Solids, total suspended	DAILY MX	report only	all year
006	Oil & Grease	DAILY MX	<= 15 mg/L	all year
006	Nitrogen, total [as N]	DAILY MX	report only	all year
006	Carbon, tot organic [TOC]	DAILY MX	report only	all year
006	Cyanide, total [as CN]	DAILY MX	report only	all year
006	Arsenic, total recoverable	DAILY MX	report only	all year
006	Nickel, total recoverable	DAILY MX	report only	all year
006	Silver total recoverable	DAILY MX	report only	all year
006	Zinc, total recoverable	DAILY MX	report only	all year
006	Aluminum, total recoverable	DAILY MX	report only	all year
006	Cadmium, total recoverable	DAILY MX	report only	all year
006	Lead, total recoverable	DAILY MX	report only	all year
006	Chromium, total recoverable	DAILY MX	report only	all year
006	Copper, total recoverable	DAILY MX	report only	all year
006	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
006	Mercury, total recoverable	DAILY MX	report only	all year
006	Organics, total toxic [TTO]	DAILY MX	report only	all year
007	pH	DAILY MN	report only	all year
007	pH	DAILY MX	report only	all year
007	Solids, total suspended	DAILY MX	report only	all year
007	Oil & Grease	DAILY MX	<= 15 mg/L	all year
007	Nitrogen, total [as N]	DAILY MX	report only	all year
007	Carbon, tot organic [TOC]	DAILY MX	report only	all year
007	Cyanide, total [as CN]	DAILY MX	report only	all year
007	Arsenic, total recoverable	DAILY MX	report only	all year
007	Nickel, total recoverable	DAILY MX	report only	all year
007	Silver total recoverable	DAILY MX	report only	all year
007	Zinc, total recoverable	DAILY MX	report only	all year
007	Aluminum, total recoverable	DAILY MX	report only	all year
007	Cadmium, total recoverable	DAILY MX	report only	all year
007	Lead, total recoverable	DAILY MX	report only	all year
007	Chromium, total recoverable	DAILY MX	report only	all year
007	Copper, total recoverable	DAILY MX	report only	all year
007	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
007	Mercury, total recoverable	DAILY MX	report only	all year
007	Organics, total toxic [TTO]	DAILY MX	report only	all year