Sands Hill Mining LLC

NPDES permit OH0076431 · Minor NON-POTW · expired, expires 2025-01-31 · 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.

This permit expired on 2025-01-31 and is expired: 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
774required values missing, on 36 form(s)
0of 40 forms filed late

Last period with anything received: 2025-09-30.

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among OH permits in EPA's filings — check your permit).

Limits in force (90)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6.5 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
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Cobalt, total recoverableMO AVG <= 24 ug/L all year
001Cobalt, total recoverableDAILY MX <= 220 ug/L all year
001Iron, total [as Fe]MO AVG <= 3000 ug/L all year
001Iron, total [as Fe]DAILY MX <= 6000 ug/L all year
001Manganese, total [as Mn]MO AVG <= 2000 ug/L all year
001Manganese, total [as Mn]DAILY MX <= 4000 ug/L all year
001Nickel, total recoverableMO AVG <= 31 ug/L all year
001Nickel, total recoverableDAILY MX <= 280 ug/L all year
001Zinc, total recoverableDAILY MX <= 71 ug/L all year
001Aluminum, total recoverableMO AVG report only all year
001Aluminum, total recoverableDAILY MX report only all year
001Copper, total recoverableMO AVG <= 5.5 ug/L all year
001Copper, total recoverableDAILY MX <= 7.8 ug/L all year
001RainfallMO AVG report only all year
001RainfallDAILY MX 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
001Mercury, total low levelMO AVG <= 12 ng/L Mar, Jun, Sep, Dec
001Mercury, total low levelDAILY MX <= 1700 ng/L Mar, Jun, Sep, Dec
001Solids, total dissolved- 180 deg. CMO AVG <= 1500 mg/L all year
002pHDAILY MN >= 6.5 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
002Hardness, total [as CaCO3]MO AVG report only all year
002Hardness, total [as CaCO3]DAILY MX report only all year
002Cobalt, total recoverableMO AVG <= 24 ug/L all year
002Cobalt, total recoverableDAILY MX <= 220 ug/L all year
002Iron, total [as Fe]MO AVG <= 3000 ug/L all year
002Iron, total [as Fe]DAILY MX <= 6000 ug/L all year
002Manganese, total [as Mn]MO AVG <= 2000 ug/L all year
002Manganese, total [as Mn]DAILY MX <= 4000 ug/L all year
002Nickel, total recoverableMO AVG <= 31 ug/L all year
002Nickel, total recoverableDAILY MX <= 280 ug/L all year
002Zinc, total recoverableDAILY MX <= 71 ug/L all year
002Aluminum, total recoverableMO AVG report only all year
002Aluminum, total recoverableDAILY MX report only all year
002Copper, total recoverableMO AVG <= 5.5 ug/L all year
002Copper, total recoverableDAILY MX <= 7.8 ug/L all year
002RainfallMO AVG report only all year
002RainfallDAILY MX 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
002Mercury, total low levelMO AVG <= 12 ng/L Mar, Jun, Sep, Dec
002Mercury, total low levelDAILY MX <= 1700 ng/L Mar, Jun, Sep, Dec
002Solids, total dissolved- 180 deg. CMO AVG <= 1500 mg/L all year
003pHDAILY MN >= 6.5 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
003Hardness, total [as CaCO3]MO AVG report only all year
003Hardness, total [as CaCO3]DAILY MX report only all year
003Cobalt, total recoverableMO AVG <= 24 ug/L all year
003Cobalt, total recoverableDAILY MX <= 220 ug/L all year
003Iron, total [as Fe]MO AVG <= 3000 ug/L all year
003Iron, total [as Fe]DAILY MX <= 6000 ug/L all year
003Manganese, total [as Mn]MO AVG <= 2000 ug/L all year
003Manganese, total [as Mn]DAILY MX <= 4000 ug/L all year
003Nickel, total recoverableMO AVG <= 31 ug/L all year
003Nickel, total recoverableDAILY MX <= 280 ug/L all year
003Zinc, total recoverableDAILY MX <= 71 ug/L all year
003Aluminum, total recoverableMO AVG report only all year
003Aluminum, total recoverableDAILY MX report only all year
003Copper, total recoverableMO AVG <= 5.5 ug/L all year
003Copper, total recoverableDAILY MX <= 7.8 ug/L all year
003RainfallMO AVG report only all year
003RainfallDAILY MX 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
003Mercury, total low levelMO AVG <= 12 ng/L Mar, Jun, Sep, Dec
003Mercury, total low levelDAILY MX <= 1700 ng/L Mar, Jun, Sep, Dec
003Solids, total dissolved- 180 deg. CMO AVG <= 1500 mg/L all year
601pHDAILY MN report only all year
601pHDAILY MX report only all year
601Solids, total suspendedMO AVG report only all year
601Solids, total suspendedDAILY MX report only all year
601Iron, total [as Fe]MO AVG report only all year
601Iron, total [as Fe]DAILY MX report only all year
601Manganese, total [as Mn]MO AVG report only all year
601Manganese, total [as Mn]DAILY MX report only all year
601RainfallMO AVG report only all year
601RainfallDAILY MX report only all year
601Flow, in conduit or thru treatment plantMO AVG report only all year
601Flow, in conduit or thru treatment plantDAILY 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