Magnitude 7 Metals LLC

NPDES permit MO0105732 · Major NON-POTW · administratively continued, expires 2024-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2024-09-30 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

0values over a limit
0required values missing, on 0 form(s)
1of 27 forms filed late

Last period with anything received: 2026-07-31.

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 (78)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY MX <= 2262 lb/d all year
001Solids, total suspendedMO AVG <= 1131 lb/d all year
001Fluoride, total [as F]DAILY MX <= 59.63 lb/d all year
001Fluoride, total [as F]MO AVG <= 26.46 lb/d all year
001Nickel, total recoverableDAILY MX <= .551 lb/d all year
001Nickel, total recoverableMO AVG <= .371 lb/d all year
001Aluminum, total recoverableDAILY MX <= 6.123 lb/d all year
001Aluminum, total recoverableMO AVG <= 2.716 lb/d all year
001Antimony, total recoverableDAILY MX <= 1.934 lb/d all year
001Antimony, total recoverableMO AVG <= .862 lb/d all year
001Benzo[a]pyreneDAILY MX <= 0 ug/L all year
001Benzo[a]pyreneMO AVG <= 0 ug/L all year
001FlowDAILY MX report only all year
001FlowMO AVG report only all year
002pHMINIMUM >= 7 SU all year
002pHMAXIMUM <= 10 SU all year
002Solids, total suspendedDAILY MX <= 5.283 lb/d all year
002Solids, total suspendedMO AVG <= 4.226 lb/d all year
002Oil and grease [soxhlet extr.] tot.DAILY MX <= 3.52 lb/d all year
002Oil and grease [soxhlet extr.] tot.MO AVG <= 3.52 lb/d all year
002Fluoride, total [as F]DAILY MX <= 20.96 lb/d all year
002Fluoride, total [as F]MO AVG <= 9.298 lb/d all year
002Nickel, total recoverableDAILY MX <= .194 lb/d all year
002Nickel, total recoverableMO AVG <= .13 lb/d all year
002Aluminum, total recoverableDAILY MX <= 2.152 lb/d all year
002Aluminum, total recoverableMO AVG <= .954 lb/d all year
002Antimony, total recoverableDAILY MX <= .679 lb/d all year
002Antimony, total recoverableMO AVG <= .303 lb/d all year
002Benzo[a]pyreneDAILY MX <= .012 lb/d all year
002Benzo[a]pyreneMO AVG <= .005 lb/d all year
002FlowDAILY MX report only all year
002FlowMO AVG report only all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedDAILY MX <= 830.1 lb/d all year
003Solids, total suspendedMO AVG <= 415 lb/d all year
003Fluoride, total [as F]DAILY MX <= 1.712 lb/d all year
003Fluoride, total [as F]MO AVG <= .76 lb/d all year
003Nickel, total recoverableDAILY MX <= .016 lb/d all year
003Nickel, total recoverableMO AVG <= .011 lb/d all year
003Aluminum, total recoverableDAILY MX <= .176 lb/d all year
003Aluminum, total recoverableMO AVG <= .078 lb/d all year
003Antimony, total recoverableDAILY MX <= .056 lb/d all year
003Antimony, total recoverableMO AVG <= .025 lb/d all year
003Benzo[a]pyreneDAILY MX <= 0 ug/L all year
003Benzo[a]pyreneMO AVG <= 0 ug/L all year
003FlowDAILY MX report only all year
003FlowMO AVG report only all year
004pHMINIMUM >= 6.5 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedDAILY MX <= 100 mg/L all year
004Solids, total suspendedMO AVG <= 50 mg/L all year
004Oil and grease [soxhlet extr.] tot.DAILY MX <= 15 mg/L all year
004Oil and grease [soxhlet extr.] tot.MO AVG <= 10 mg/L all year
004Aluminum, total recoverableDAILY MX <= 7537 ug/L all year
004Aluminum, total recoverableMO AVG <= 3757 ug/L all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 9 SU all year
006Solids, total suspendedDAILY MX <= .264 lb/d all year
006Solids, total suspendedMO AVG <= .211 lb/d all year
006Oil and grease [soxhlet extr.] tot.DAILY MX <= .18 lb/d all year
006Oil and grease [soxhlet extr.] tot.MO AVG <= .18 lb/d all year
006Fluoride, total [as F]DAILY MX <= 1.048 lb/d all year
006Fluoride, total [as F]MO AVG <= .465 lb/d all year
006Nickel, total recoverableDAILY MX <= .01 lb/d all year
006Nickel, total recoverableMO AVG <= .006 lb/d all year
006Aluminum, total recoverableDAILY MX <= .108 lb/d all year
006Aluminum, total recoverableMO AVG <= .048 lb/d all year
006Antimony, total recoverableDAILY MX <= .034 lb/d all year
006Antimony, total recoverableMO AVG <= .015 lb/d all year
006Benzo[a]pyreneDAILY MX <= 0 ug/L all year
006Benzo[a]pyreneMO AVG <= 0 ug/L all year
006FlowDAILY MX report only all year
006FlowMO AVG 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