M&H Valve Company, a division of McWane, LLC

NPDES permit AL0074730 · Minor NON-POTW · effective, expires 2028-10-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
0of 3 forms filed late

Last period with anything received: 2025-12-31.

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 (54)

OutfallParameterStatisticLimitMonths
001pHDAILY MN report only all year
001pHDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Nitrogen, total [as N]DAILY MX report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Iron, total recoverableDAILY MX report only all year
001Nickel, total recoverableDAILY MX report only all year
001Zinc, total recoverableDAILY MX report only all year
001Aluminum, total recoverableDAILY MX report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Lead, total recoverableDAILY MX report only all year
001Chromium, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001Manganese, total recoverableDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chemical Oxygen Demand [COD]DAILY MX report only all year
002pHDAILY MN report only all year
002pHDAILY MX report only all year
002Solids, total suspendedDAILY MX report only all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Nitrogen, total [as N]DAILY MX report only all year
002Cyanide, total [as CN]DAILY MX report only all year
002Arsenic, total recoverableDAILY MX report only all year
002Iron, total recoverableDAILY MX report only all year
002Nickel, total recoverableDAILY MX report only all year
002Zinc, total recoverableDAILY MX report only all year
002Aluminum, total recoverableDAILY MX report only all year
002Cadmium, total recoverableDAILY MX report only all year
002Lead, total recoverableDAILY MX report only all year
002Chromium, total recoverableDAILY MX report only all year
002Copper, total recoverableDAILY MX report only all year
002Manganese, total recoverableDAILY MX report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chemical Oxygen Demand [COD]DAILY MX report only all year
003pHDAILY MN report only all year
003pHDAILY MX report only all year
003Solids, total suspendedDAILY MX report only all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Nitrogen, total [as N]DAILY MX report only all year
003Cyanide, total [as CN]DAILY MX report only all year
003Arsenic, total recoverableDAILY MX report only all year
003Iron, total recoverableDAILY MX report only all year
003Nickel, total recoverableDAILY MX report only all year
003Zinc, total recoverableDAILY MX report only all year
003Aluminum, total recoverableDAILY MX report only all year
003Cadmium, total recoverableDAILY MX report only all year
003Lead, total recoverableDAILY MX report only all year
003Chromium, total recoverableDAILY MX report only all year
003Copper, total recoverableDAILY MX report only all year
003Manganese, total recoverableDAILY MX report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Chemical Oxygen Demand [COD]DAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states