SPECIALTY MINERALS INC

NPDES permit MA0005991 · Minor NON-POTW · administratively continued, expires 2008-11-15 · 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 2008-11-15 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)
33of 36 forms filed late

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

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (34)

OutfallParameterStatisticLimitMonths
002Temperature, water deg. fahrenheitMO AV MN report only all year
002Temperature, water deg. fahrenheitMO AV MN report only all year
002Temperature, water deg. fahrenheitMO AV MN report only all year
002Temperature, water deg. fahrenheitDAILY MX <= 84.7 deg F all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002Temperature, water deg. fahrenheitDAILY MX report only Jun, Jul, Aug, Sep
002TurbidityMO AVG <= 30 NTU all year
002TurbidityDAILY MX <= 60 NTU all year
002pHMINIMUM >= 6.5 SU all year
002pHMINIMUM report only all year
002pHMINIMUM report only all year
002pHMAXIMUM <= 8.3 SU all year
002pHMAXIMUM report only all year
002pHMAXIMUM report only all year
002Alkalinity, total [as CaCO3]DAILY MX report only all year
002Solids, total suspendedMO AVG <= 25 mg/L all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedMO AV MN report only all year
002Solids, total suspendedDAILY MX <= 50 mg/L all year
002Solids, total suspendedDAILY MX report only all year
002Solids, total suspendedDAILY MX report only all year
002Solids, total suspendedMO AVG <= 1051 lb/d all year
002Solids, total suspendedDAILY MX <= 2102 lb/d all year
002Flow, in conduit or thru treatment plantMO AVG <= 5 MGD all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002LC50 Static 48Hr Acute Ceriodaphnia dubiaDAILY MN >= 100 % Feb, May, Aug, Nov
002LC50 Static 48Hr Acute Pimephales promelasDAILY MN >= 100 % Feb, May, Aug, Nov
002NOEL Static 7Day Chronic Ceriodaphnia dubiaDAILY MN >= 27.17 % Feb, May, Aug, Nov
002Noel Static 7Day Chronic PimephalesDAILY MN >= 27.17 % Feb, May, Aug, Nov

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