MAGRIS TALC USA INC

NPDES permit MT0028584 · Minor NON-POTW · effective, expires 2031-05-31 · 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.

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

0values over a limit
0required values missing, on 0 form(s)
0of 36 forms filed late

Last period with anything received: 2026-08-31.

Reporting

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

Limits in force (47)

OutfallParameterStatisticLimitMonths
001Flow rateMO AVG report only all year
001Flow rateDAILY MX report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Oil & GreaseMO AVG report only all year
001Oil & GreaseDAILY MX <= 10 mg/L all year
001Oil and grease visualVALUE report only all year
002Flow rateWKLY AVG report only all year
002Flow rateDAILY MX report only all year
002pHMINIMUM report only all year
002pHMAXIMUM report only all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Oil & GreaseMO AVG report only all year
002Oil & GreaseDAILY MX report only all year
002Nitrogen, total [as N]MO AVG report only all year
002Nitrogen, total [as N]DAILY MX report only all year
002Nitrogen, total [as N]MO AVG report only all year
002Nitrogen, total [as N]DAILY MX report only all year
002Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
002Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
002Nitrite + Nitrate total [as N]MO AVG report only all year
002Nitrite + Nitrate total [as N]DAILY MX report only all year
002Phosphorus, total [as P]MO AVG report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002Oil and grease visualVALUE report only all year
003Flow rateWKLY AVG report only all year
003Flow rateDAILY MX report only all year
003pHMINIMUM report only all year
003pHMAXIMUM report only all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedDAILY MX report only all year
003Oil & GreaseMO AVG report only all year
003Oil & GreaseDAILY MX report only all year
003Nitrogen, total [as N]MO AVG report only all year
003Nitrogen, total [as N]DAILY MX report only all year
003Nitrogen, total [as N]MO AVG report only all year
003Nitrogen, total [as N]DAILY MX report only all year
003Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
003Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
003Nitrite + Nitrate total [as N]MO AVG report only all year
003Nitrite + Nitrate total [as N]DAILY MX report only all year
003Phosphorus, total [as P]MO AVG report only all year
003Phosphorus, total [as P]DAILY MX report only all year
003Oil and grease visualVALUE 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