United Minerals Company LLC Seven Hills Mine

NPDES permit ING040290 · Minor NON-POTW · effective, expires 2029-03-31 · 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
4required values missing, on 2 form(s)
0of 120 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 (192)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedDAILY MX <= 70 mg/L all year
001Solids, settleableMO AVG report only all year
001Solids, settleableDAILY MX <= .5 mL/L all year
001Hardness, total [as CaCO3]MO AVG report only Mar, Jun, Sep, Dec
001Hardness, total [as CaCO3]DAILY MX report only Mar, Jun, Sep, Dec
001Magnesium, total recoverableMO AVG report only Mar, Jun, Sep, Dec
001Magnesium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Chloride [as Cl]MO AVG report only Mar, Jun, Sep, Dec
001Chloride [as Cl]DAILY MX report only Mar, Jun, Sep, Dec
001Sulfate, total [as SO4]MO AVG report only Mar, Jun, Sep, Dec
001Sulfate, total [as SO4]DAILY MX report only Mar, Jun, Sep, Dec
001Iron, total recoverableMO AVG <= 3 mg/L all year
001Iron, total recoverableDAILY MX <= 6 mg/L all year
001Manganese, total recoverableMO AVG report only Mar, Jun, Sep, Dec
001Manganese, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001DurationMO TOTAL report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Solids, total dissolvedMO AVG report only Mar, Jun, Sep, Dec
001Solids, total dissolvedDAILY MX report only Mar, Jun, Sep, Dec
001Precipitation volumeMO TOTAL report only all year
002pHDAILY MN >= 6 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedDAILY MX <= 70 mg/L all year
002Solids, settleableMO AVG report only all year
002Solids, settleableDAILY MX <= .5 mL/L all year
002Hardness, total [as CaCO3]MO AVG report only Mar, Jun, Sep, Dec
002Hardness, total [as CaCO3]DAILY MX report only Mar, Jun, Sep, Dec
002Magnesium, total recoverableMO AVG report only Mar, Jun, Sep, Dec
002Magnesium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
002Chloride [as Cl]MO AVG report only Mar, Jun, Sep, Dec
002Chloride [as Cl]DAILY MX report only Mar, Jun, Sep, Dec
002Sulfate, total [as SO4]MO AVG report only Mar, Jun, Sep, Dec
002Sulfate, total [as SO4]DAILY MX report only Mar, Jun, Sep, Dec
002Iron, total recoverableMO AVG <= 3 mg/L all year
002Iron, total recoverableDAILY MX <= 6 mg/L all year
002Manganese, total recoverableMO AVG report only Mar, Jun, Sep, Dec
002Manganese, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
002DurationMO TOTAL 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
002Solids, total dissolvedMO AVG report only Mar, Jun, Sep, Dec
002Solids, total dissolvedDAILY MX report only Mar, Jun, Sep, Dec
002Precipitation volumeMO TOTAL report only all year
003pHDAILY MN >= 6 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG <= 35 mg/L all year
003Solids, total suspendedDAILY MX <= 70 mg/L all year
003Solids, settleableMO AVG report only all year
003Solids, settleableDAILY MX <= .5 mL/L all year
003Hardness, total [as CaCO3]MO AVG report only Mar, Jun, Sep, Dec
003Hardness, total [as CaCO3]DAILY MX report only Mar, Jun, Sep, Dec
003Magnesium, total recoverableMO AVG report only Mar, Jun, Sep, Dec
003Magnesium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
003Chloride [as Cl]MO AVG report only Mar, Jun, Sep, Dec
003Chloride [as Cl]DAILY MX report only Mar, Jun, Sep, Dec
003Sulfate, total [as SO4]MO AVG report only Mar, Jun, Sep, Dec
003Sulfate, total [as SO4]DAILY MX report only Mar, Jun, Sep, Dec
003Iron, total recoverableMO AVG <= 3 mg/L all year
003Iron, total recoverableDAILY MX <= 6 mg/L all year
003Manganese, total recoverableMO AVG report only Mar, Jun, Sep, Dec
003Manganese, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
003DurationMO TOTAL report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Solids, total dissolvedMO AVG report only Mar, Jun, Sep, Dec
003Solids, total dissolvedDAILY MX report only Mar, Jun, Sep, Dec
003Precipitation volumeMO TOTAL report only all year
004pHDAILY MN >= 6 SU all year
004pHDAILY MX <= 9 SU all year
004Solids, total suspendedMO AVG <= 35 mg/L all year
004Solids, total suspendedDAILY MX <= 70 mg/L all year
004Solids, settleableMO AVG report only all year
004Solids, settleableDAILY MX <= .5 mL/L all year
004Hardness, total [as CaCO3]MO AVG report only Mar, Jun, Sep, Dec
004Hardness, total [as CaCO3]DAILY MX report only Mar, Jun, Sep, Dec
004Magnesium, total recoverableMO AVG report only Mar, Jun, Sep, Dec
004Magnesium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
004Chloride [as Cl]MO AVG report only Mar, Jun, Sep, Dec
004Chloride [as Cl]DAILY MX report only Mar, Jun, Sep, Dec
004Sulfate, total [as SO4]MO AVG report only Mar, Jun, Sep, Dec
004Sulfate, total [as SO4]DAILY MX report only Mar, Jun, Sep, Dec
004Iron, total recoverableMO AVG <= 3 mg/L all year
004Iron, total recoverableDAILY MX <= 6 mg/L all year
004Manganese, total recoverableMO AVG report only Mar, Jun, Sep, Dec
004Manganese, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
004DurationMO TOTAL report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Solids, total dissolvedMO AVG report only Mar, Jun, Sep, Dec
004Solids, total dissolvedDAILY MX report only Mar, Jun, Sep, Dec
004Precipitation volumeMO TOTAL report only all year
005pHDAILY MN >= 6 SU all year
005pHDAILY MX <= 9 SU all year
005Solids, total suspendedMO AVG <= 35 mg/L all year
005Solids, total suspendedDAILY MX <= 70 mg/L all year
005Solids, settleableMO AVG report only all year
005Solids, settleableDAILY MX <= .5 mL/L all year
005Hardness, total [as CaCO3]MO AVG report only Mar, Jun, Sep, Dec
005Hardness, total [as CaCO3]DAILY MX report only Mar, Jun, Sep, Dec
005Magnesium, total recoverableMO AVG report only Mar, Jun, Sep, Dec
005Magnesium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005Chloride [as Cl]MO AVG report only Mar, Jun, Sep, Dec
005Chloride [as Cl]DAILY MX report only Mar, Jun, Sep, Dec
005Sulfate, total [as SO4]MO AVG report only Mar, Jun, Sep, Dec
005Sulfate, total [as SO4]DAILY MX report only Mar, Jun, Sep, Dec
005Iron, total recoverableMO AVG <= 3 mg/L all year
005Iron, total recoverableDAILY MX <= 6 mg/L all year
005Manganese, total recoverableMO AVG report only Mar, Jun, Sep, Dec
005Manganese, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
005DurationMO TOTAL report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Solids, total dissolvedMO AVG report only Mar, Jun, Sep, Dec
005Solids, total dissolvedDAILY MX report only Mar, Jun, Sep, Dec
005Precipitation volumeMO TOTAL report only all year
009pHDAILY MN >= 6 SU all year
009pHDAILY MX <= 9 SU all year
009Solids, total suspendedMO AVG <= 35 mg/L all year
009Solids, total suspendedDAILY MX <= 70 mg/L all year
009Solids, settleableMO AVG report only all year
009Solids, settleableDAILY MX <= .5 mL/L all year
009Hardness, total [as CaCO3]MO AVG report only Mar, Jun, Sep, Dec
009Hardness, total [as CaCO3]DAILY MX report only Mar, Jun, Sep, Dec
009Magnesium, total recoverableMO AVG report only Mar, Jun, Sep, Dec
009Magnesium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
009Chloride [as Cl]MO AVG report only Mar, Jun, Sep, Dec
009Chloride [as Cl]DAILY MX report only Mar, Jun, Sep, Dec
009Sulfate, total [as SO4]MO AVG report only Mar, Jun, Sep, Dec
009Sulfate, total [as SO4]DAILY MX report only Mar, Jun, Sep, Dec
009Iron, total recoverableMO AVG <= 3 mg/L all year
009Iron, total recoverableDAILY MX <= 6 mg/L all year
009Manganese, total recoverableMO AVG report only Mar, Jun, Sep, Dec
009Manganese, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
009DurationMO TOTAL report only all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
009Solids, total dissolvedMO AVG report only Mar, Jun, Sep, Dec
009Solids, total dissolvedDAILY MX report only Mar, Jun, Sep, Dec
009Precipitation volumeMO TOTAL report only all year
010pHDAILY MN >= 6 SU all year
010pHDAILY MX <= 9 SU all year
010Solids, total suspendedMO AVG <= 35 mg/L all year
010Solids, total suspendedDAILY MX <= 70 mg/L all year
010Solids, settleableMO AVG report only all year
010Solids, settleableDAILY MX <= .5 mL/L all year
010Hardness, total [as CaCO3]MO AVG report only Mar, Jun, Sep, Dec
010Hardness, total [as CaCO3]DAILY MX report only Mar, Jun, Sep, Dec
010Magnesium, total recoverableMO AVG report only Mar, Jun, Sep, Dec
010Magnesium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
010Chloride [as Cl]MO AVG report only Mar, Jun, Sep, Dec
010Chloride [as Cl]DAILY MX report only Mar, Jun, Sep, Dec
010Sulfate, total [as SO4]MO AVG report only Mar, Jun, Sep, Dec
010Sulfate, total [as SO4]DAILY MX report only Mar, Jun, Sep, Dec
010Iron, total recoverableMO AVG <= 3 mg/L all year
010Iron, total recoverableDAILY MX <= 6 mg/L all year
010Manganese, total recoverableMO AVG report only Mar, Jun, Sep, Dec
010Manganese, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
010DurationMO TOTAL report only all year
010Flow, in conduit or thru treatment plantMO AVG report only all year
010Flow, in conduit or thru treatment plantDAILY MX report only all year
010Solids, total dissolvedMO AVG report only Mar, Jun, Sep, Dec
010Solids, total dissolvedDAILY MX report only Mar, Jun, Sep, Dec
010Precipitation volumeMO TOTAL report only all year
011pHDAILY MN >= 6 SU all year
011pHDAILY MX <= 9 SU all year
011Solids, total suspendedMO AVG <= 35 mg/L all year
011Solids, total suspendedDAILY MX <= 70 mg/L all year
011Solids, settleableMO AVG report only all year
011Solids, settleableDAILY MX <= .5 mL/L all year
011Hardness, total [as CaCO3]MO AVG report only Mar, Jun, Sep, Dec
011Hardness, total [as CaCO3]DAILY MX report only Mar, Jun, Sep, Dec
011Magnesium, total recoverableMO AVG report only Mar, Jun, Sep, Dec
011Magnesium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
011Chloride [as Cl]MO AVG report only Mar, Jun, Sep, Dec
011Chloride [as Cl]DAILY MX report only Mar, Jun, Sep, Dec
011Sulfate, total [as SO4]MO AVG report only Mar, Jun, Sep, Dec
011Sulfate, total [as SO4]DAILY MX report only Mar, Jun, Sep, Dec
011Iron, total recoverableMO AVG <= 3 mg/L all year
011Iron, total recoverableDAILY MX <= 6 mg/L all year
011Manganese, total recoverableMO AVG report only Mar, Jun, Sep, Dec
011Manganese, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
011DurationMO TOTAL report only all year
011Flow, in conduit or thru treatment plantMO AVG report only all year
011Flow, in conduit or thru treatment plantDAILY MX report only all year
011Solids, total dissolvedMO AVG report only Mar, Jun, Sep, Dec
011Solids, total dissolvedDAILY MX report only Mar, Jun, Sep, Dec
011Precipitation volumeMO TOTAL 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