Buckskin Mining Company

NPDES permit WY0028479 · Minor NON-POTW · effective, expires 2030-07-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
0of 90 forms filed late

Last period with anything received: 2026-06-30.

Reporting

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

Limits in force (108)

OutfallParameterStatisticLimitMonths
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedDAILY AV <= 35 mg/L all year
001Solids, total suspendedDAILY MX <= 70 mg/L all year
001Solids, settleableINST MAX <= .5 mL/L all year
001Iron, total [as Fe]DAILY AV <= 3.5 mg/L all year
001Iron, total [as Fe]DAILY MX <= 7 mg/L all year
001Iron, dissolved [as Fe]DAILY MX <= 1000 ug/L all year
001Manganese, dissolved [as Mn]DAILY MX <= 1462 ug/L all year
001DurationMO TOTAL report only all year
001FlowMO AVG report only all year
001FlowINST MAX report only all year
007pHINST MIN >= 6.5 SU all year
007pHINST MAX <= 9 SU all year
007Solids, total suspendedDAILY AV <= 35 mg/L all year
007Solids, total suspendedDAILY MX <= 70 mg/L all year
007Solids, settleableINST MAX <= .5 mL/L all year
007Iron, total [as Fe]DAILY AV <= 3.5 mg/L all year
007Iron, total [as Fe]DAILY MX <= 7 mg/L all year
007Iron, dissolved [as Fe]DAILY MX <= 1000 ug/L all year
007Manganese, dissolved [as Mn]DAILY MX <= 1462 ug/L all year
007DurationMO TOTAL report only all year
007FlowMO AVG report only all year
007FlowINST MAX report only all year
009pHINST MIN >= 6.5 SU all year
009pHINST MAX <= 9 SU all year
009Solids, total suspendedDAILY AV <= 35 mg/L all year
009Solids, total suspendedDAILY MX <= 70 mg/L all year
009Solids, settleableINST MAX <= .5 mL/L all year
009Iron, total [as Fe]DAILY AV <= 3.5 mg/L all year
009Iron, total [as Fe]DAILY MX <= 7 mg/L all year
009Iron, dissolved [as Fe]DAILY MX <= 1000 ug/L all year
009Manganese, dissolved [as Mn]DAILY MX <= 1462 ug/L all year
009DurationMO TOTAL report only all year
009FlowMO AVG report only all year
009FlowINST MAX report only all year
010pHINST MIN >= 6.5 SU all year
010pHINST MAX <= 9 SU all year
010Solids, total suspendedDAILY AV <= 35 mg/L all year
010Solids, total suspendedDAILY MX <= 70 mg/L all year
010Solids, settleableINST MAX <= .5 mL/L all year
010Iron, total [as Fe]DAILY AV <= 3.5 mg/L all year
010Iron, total [as Fe]DAILY MX <= 7 mg/L all year
010Iron, dissolved [as Fe]DAILY MX <= 1000 ug/L all year
010Manganese, dissolved [as Mn]DAILY MX <= 1462 ug/L all year
010DurationMO TOTAL report only all year
010FlowMO AVG report only all year
010FlowINST MAX report only all year
011pHINST MIN >= 6.5 SU all year
011pHINST MAX <= 9 SU all year
011Solids, total suspendedDAILY AV <= 35 mg/L all year
011Solids, total suspendedDAILY MX <= 70 mg/L all year
011Solids, settleableINST MAX <= .5 mL/L all year
011Iron, total [as Fe]DAILY AV <= 3.5 mg/L all year
011Iron, total [as Fe]DAILY MX <= 7 mg/L all year
011Iron, dissolved [as Fe]DAILY MX <= 1000 ug/L all year
011Manganese, dissolved [as Mn]DAILY MX <= 1462 ug/L all year
011DurationMO TOTAL report only all year
011FlowMO AVG report only all year
011FlowINST MAX report only all year
013pHINST MIN >= 6.5 SU all year
013pHINST MAX <= 9 SU all year
013Solids, total suspendedDAILY AV <= 35 mg/L all year
013Solids, total suspendedDAILY MX <= 70 mg/L all year
013Solids, settleableINST MAX <= .5 mL/L all year
013Iron, total [as Fe]DAILY AV <= 3.5 mg/L all year
013Iron, total [as Fe]DAILY MX <= 7 mg/L all year
013Iron, dissolved [as Fe]DAILY MX <= 1000 ug/L all year
013Manganese, dissolved [as Mn]DAILY MX <= 1462 ug/L all year
013DurationMO TOTAL report only all year
013FlowMO AVG report only all year
013FlowINST MAX report only all year
014pHINST MIN >= 6.5 SU all year
014pHINST MAX <= 9 SU all year
014Solids, total suspendedDAILY AV <= 35 mg/L all year
014Solids, total suspendedDAILY MX <= 70 mg/L all year
014Solids, settleableINST MAX <= .5 mL/L all year
014Iron, total [as Fe]DAILY AV <= 3.5 mg/L all year
014Iron, total [as Fe]DAILY MX <= 7 mg/L all year
014Iron, dissolved [as Fe]DAILY MX <= 1000 ug/L all year
014Manganese, dissolved [as Mn]DAILY MX <= 1462 ug/L all year
014DurationMO TOTAL report only all year
014FlowMO AVG report only all year
014FlowINST MAX report only all year
016pHINST MIN >= 6.5 SU all year
016pHINST MAX <= 9 SU all year
016Solids, total suspendedDAILY AV <= 35 mg/L all year
016Solids, total suspendedDAILY MX <= 70 mg/L all year
016Solids, settleableINST MAX <= .5 mL/L all year
016Iron, total [as Fe]DAILY AV <= 3.5 mg/L all year
016Iron, total [as Fe]DAILY MX <= 7 mg/L all year
016Iron, dissolved [as Fe]DAILY MX <= 1000 ug/L all year
016Manganese, dissolved [as Mn]DAILY MX <= 1462 ug/L all year
016DurationMO TOTAL report only all year
016FlowMO AVG report only all year
016FlowINST MAX report only all year
017pHINST MIN >= 6.5 SU all year
017pHINST MAX <= 9 SU all year
017Solids, total suspendedDAILY AV <= 35 mg/L all year
017Solids, total suspendedDAILY MX <= 70 mg/L all year
017Solids, settleableINST MAX <= .5 mL/L all year
017Iron, total [as Fe]DAILY AV <= 3.5 mg/L all year
017Iron, total [as Fe]DAILY MX <= 7 mg/L all year
017Iron, dissolved [as Fe]DAILY MX <= 1000 ug/L all year
017Manganese, dissolved [as Mn]DAILY MX <= 1462 ug/L all year
017DurationMO TOTAL report only all year
017FlowMO AVG report only all year
017FlowINST MAX 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