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Thunder Basin Coal Company, LLC

Bituminous Coal And Lignite - Surface, Wright, Wyoming. NPDES permit WY0024091, in force until May 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 017 form CM quarterly (26 values), outfall 020 form CM quarterly (26 values), outfall 026 form CM quarterly (26 values), outfall 055 form CM quarterly (26 values), outfall 182 form CM quarterly (26 values), outfall 183 form CM quarterly (26 values), and 22 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 352 reports late

Limits in force (728)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6.5 SUall year017
pHinstantaneous minimum≥ 6.5 SUall year017
pHinstantaneous maximum≤ 9 SUall year017
pHinstantaneous maximum≤ 9 SUall year017
Solids, total suspendedmonthly average≤ 35 mg/Lall year017
Solids, total suspendedmonthly average≤ 35 mg/Lall year017
Solids, total suspendeddaily maximum≤ 70 mg/Lall year017
Solids, total suspendeddaily maximum≤ 70 mg/Lall year017
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year017
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year017
Solids, settleabledaily maximum≤ .5 mL/Lall year017
Solids, settleabledaily maximum≤ .5 mL/Lall year017
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year017
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year017
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year017
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year017
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year017
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year017
Durationmonthly totalreport only (d/mo)all year017
Durationmonthly totalreport only (d/mo)all year017
Flowmonthly averagereport only (MGD)all year017
Flowmonthly averagereport only (MGD)all year017
Flowdaily maximumreport only (MGD)all year017
Flowdaily maximumreport only (MGD)all year017
Flowinstantaneous maximumreport only (MGD)all year017
Flowinstantaneous maximumreport only (MGD)all year017
pHinstantaneous minimum≥ 6.5 SUall year020
pHinstantaneous minimum≥ 6.5 SUall year020
pHinstantaneous maximum≤ 9 SUall year020
pHinstantaneous maximum≤ 9 SUall year020
Solids, total suspendedmonthly average≤ 35 mg/Lall year020
Solids, total suspendedmonthly average≤ 35 mg/Lall year020
Solids, total suspendeddaily maximum≤ 70 mg/Lall year020
Solids, total suspendeddaily maximum≤ 70 mg/Lall year020
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year020
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year020
Solids, settleabledaily maximum≤ .5 mL/Lall year020
Solids, settleabledaily maximum≤ .5 mL/Lall year020
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year020
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year020
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year020
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year020
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year020
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year020
Durationmonthly totalreport only (d/mo)all year020
Durationmonthly totalreport only (d/mo)all year020
Flowmonthly averagereport only (MGD)all year020
Flowmonthly averagereport only (MGD)all year020
Flowdaily maximumreport only (MGD)all year020
Flowdaily maximumreport only (MGD)all year020
Flowinstantaneous maximumreport only (MGD)all year020
Flowinstantaneous maximumreport only (MGD)all year020
pHinstantaneous minimum≥ 6.5 SUall year026
pHinstantaneous minimum≥ 6.5 SUall year026
pHinstantaneous maximum≤ 9 SUall year026
pHinstantaneous maximum≤ 9 SUall year026
Solids, total suspendedmonthly average≤ 35 mg/Lall year026
Solids, total suspendedmonthly average≤ 35 mg/Lall year026
Solids, total suspendeddaily maximum≤ 70 mg/Lall year026
Solids, total suspendeddaily maximum≤ 70 mg/Lall year026
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year026
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year026
Solids, settleabledaily maximum≤ .5 mL/Lall year026
Solids, settleabledaily maximum≤ .5 mL/Lall year026
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year026
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year026
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year026
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year026
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year026
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year026
Durationmonthly totalreport only (d/mo)all year026
Durationmonthly totalreport only (d/mo)all year026
Flowmonthly averagereport only (MGD)all year026
Flowmonthly averagereport only (MGD)all year026
Flowdaily maximumreport only (MGD)all year026
Flowdaily maximumreport only (MGD)all year026
Flowinstantaneous maximumreport only (MGD)all year026
Flowinstantaneous maximumreport only (MGD)all year026
pHinstantaneous minimum≥ 6.5 SUall year055
pHinstantaneous minimum≥ 6.5 SUall year055
pHinstantaneous maximum≤ 9 SUall year055
pHinstantaneous maximum≤ 9 SUall year055
Solids, total suspendedmonthly average≤ 35 mg/Lall year055
Solids, total suspendedmonthly average≤ 35 mg/Lall year055
Solids, total suspendeddaily maximum≤ 70 mg/Lall year055
Solids, total suspendeddaily maximum≤ 70 mg/Lall year055
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year055
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year055
Solids, settleabledaily maximum≤ .5 mL/Lall year055
Solids, settleabledaily maximum≤ .5 mL/Lall year055
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year055
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year055
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year055
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year055
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year055
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year055
Durationmonthly totalreport only (d/mo)all year055
Durationmonthly totalreport only (d/mo)all year055
Flowmonthly averagereport only (MGD)all year055
Flowmonthly averagereport only (MGD)all year055
Flowdaily maximumreport only (MGD)all year055
Flowdaily maximumreport only (MGD)all year055
Flowinstantaneous maximumreport only (MGD)all year055
Flowinstantaneous maximumreport only (MGD)all year055
pHinstantaneous minimum≥ 6.5 SUall year182
pHinstantaneous minimum≥ 6.5 SUall year182
pHinstantaneous maximum≤ 9 SUall year182
pHinstantaneous maximum≤ 9 SUall year182
Solids, total suspendedmonthly average≤ 35 mg/Lall year182
Solids, total suspendedmonthly average≤ 35 mg/Lall year182
Solids, total suspendeddaily maximum≤ 70 mg/Lall year182
Solids, total suspendeddaily maximum≤ 70 mg/Lall year182
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year182
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year182
Solids, settleabledaily maximum≤ .5 mL/Lall year182
Solids, settleabledaily maximum≤ .5 mL/Lall year182
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year182
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year182
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year182
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year182
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year182
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year182
Durationmonthly totalreport only (d/mo)all year182
Durationmonthly totalreport only (d/mo)all year182
Flowmonthly averagereport only (MGD)all year182
Flowmonthly averagereport only (MGD)all year182
Flowdaily maximumreport only (MGD)all year182
Flowdaily maximumreport only (MGD)all year182
Flowinstantaneous maximumreport only (MGD)all year182
Flowinstantaneous maximumreport only (MGD)all year182
pHinstantaneous minimum≥ 6.5 SUall year183
pHinstantaneous minimum≥ 6.5 SUall year183
pHinstantaneous maximum≤ 9 SUall year183
pHinstantaneous maximum≤ 9 SUall year183
Solids, total suspendedmonthly average≤ 35 mg/Lall year183
Solids, total suspendedmonthly average≤ 35 mg/Lall year183
Solids, total suspendeddaily maximum≤ 70 mg/Lall year183
Solids, total suspendeddaily maximum≤ 70 mg/Lall year183
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year183
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year183
Solids, settleabledaily maximum≤ .5 mL/Lall year183
Solids, settleabledaily maximum≤ .5 mL/Lall year183
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year183
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year183
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year183
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year183
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year183
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year183
Durationmonthly totalreport only (d/mo)all year183
Durationmonthly totalreport only (d/mo)all year183
Flowmonthly averagereport only (MGD)all year183
Flowmonthly averagereport only (MGD)all year183
Flowdaily maximumreport only (MGD)all year183
Flowdaily maximumreport only (MGD)all year183
Flowinstantaneous maximumreport only (MGD)all year183
Flowinstantaneous maximumreport only (MGD)all year183
pHinstantaneous minimum≥ 6.5 SUall year184
pHinstantaneous minimum≥ 6.5 SUall year184
pHinstantaneous maximum≤ 9 SUall year184
pHinstantaneous maximum≤ 9 SUall year184
Solids, total suspendedmonthly average≤ 35 mg/Lall year184
Solids, total suspendedmonthly average≤ 35 mg/Lall year184
Solids, total suspendeddaily maximum≤ 70 mg/Lall year184
Solids, total suspendeddaily maximum≤ 70 mg/Lall year184
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year184
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year184
Solids, settleabledaily maximum≤ .5 mL/Lall year184
Solids, settleabledaily maximum≤ .5 mL/Lall year184
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year184
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year184
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year184
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year184
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year184
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year184
Durationmonthly totalreport only (d/mo)all year184
Durationmonthly totalreport only (d/mo)all year184
Flowmonthly averagereport only (MGD)all year184
Flowmonthly averagereport only (MGD)all year184
Flowdaily maximumreport only (MGD)all year184
Flowdaily maximumreport only (MGD)all year184
Flowinstantaneous maximumreport only (MGD)all year184
Flowinstantaneous maximumreport only (MGD)all year184
pHinstantaneous minimum≥ 6.5 SUall year196
pHinstantaneous minimum≥ 6.5 SUall year196
pHinstantaneous maximum≤ 9 SUall year196
pHinstantaneous maximum≤ 9 SUall year196
Solids, total suspendedmonthly average≤ 35 mg/Lall year196
Solids, total suspendedmonthly average≤ 35 mg/Lall year196
Solids, total suspendeddaily maximum≤ 70 mg/Lall year196
Solids, total suspendeddaily maximum≤ 70 mg/Lall year196
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year196
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year196
Solids, settleabledaily maximum≤ .5 mL/Lall year196
Solids, settleabledaily maximum≤ .5 mL/Lall year196
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year196
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year196
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year196
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year196
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year196
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year196
Durationmonthly totalreport only (d/mo)all year196
Durationmonthly totalreport only (d/mo)all year196
Flowmonthly averagereport only (MGD)all year196
Flowmonthly averagereport only (MGD)all year196
Flowdaily maximumreport only (MGD)all year196
Flowdaily maximumreport only (MGD)all year196
Flowinstantaneous maximumreport only (MGD)all year196
Flowinstantaneous maximumreport only (MGD)all year196
pHinstantaneous minimum≥ 6.5 SUall year200
pHinstantaneous minimum≥ 6.5 SUall year200
pHinstantaneous maximum≤ 9 SUall year200
pHinstantaneous maximum≤ 9 SUall year200
Solids, total suspendedmonthly average≤ 35 mg/Lall year200
Solids, total suspendedmonthly average≤ 35 mg/Lall year200
Solids, total suspendeddaily maximum≤ 70 mg/Lall year200
Solids, total suspendeddaily maximum≤ 70 mg/Lall year200
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year200
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year200
Solids, settleabledaily maximum≤ .5 mL/Lall year200
Solids, settleabledaily maximum≤ .5 mL/Lall year200
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year200
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year200
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year200
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year200
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year200
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year200
Durationmonthly totalreport only (d/mo)all year200
Durationmonthly totalreport only (d/mo)all year200
Flowmonthly averagereport only (MGD)all year200
Flowmonthly averagereport only (MGD)all year200
Flowdaily maximumreport only (MGD)all year200
Flowdaily maximumreport only (MGD)all year200
Flowinstantaneous maximumreport only (MGD)all year200
Flowinstantaneous maximumreport only (MGD)all year200
pHinstantaneous minimum≥ 6.5 SUall year201
pHinstantaneous minimum≥ 6.5 SUall year201
pHinstantaneous maximum≤ 9 SUall year201
pHinstantaneous maximum≤ 9 SUall year201
Solids, total suspendedmonthly average≤ 35 mg/Lall year201
Solids, total suspendedmonthly average≤ 35 mg/Lall year201
Solids, total suspendeddaily maximum≤ 70 mg/Lall year201
Solids, total suspendeddaily maximum≤ 70 mg/Lall year201
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year201
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year201
Solids, settleabledaily maximum≤ .5 mL/Lall year201
Solids, settleabledaily maximum≤ .5 mL/Lall year201
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year201
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year201
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year201
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year201
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year201
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year201
Durationmonthly totalreport only (d/mo)all year201
Durationmonthly totalreport only (d/mo)all year201
Flowmonthly averagereport only (MGD)all year201
Flowmonthly averagereport only (MGD)all year201
Flowdaily maximumreport only (MGD)all year201
Flowdaily maximumreport only (MGD)all year201
Flowinstantaneous maximumreport only (MGD)all year201
Flowinstantaneous maximumreport only (MGD)all year201
pHinstantaneous minimum≥ 6.5 SUall year202
pHinstantaneous minimum≥ 6.5 SUall year202
pHinstantaneous maximum≤ 9 SUall year202
pHinstantaneous maximum≤ 9 SUall year202
Solids, total suspendedmonthly average≤ 35 mg/Lall year202
Solids, total suspendedmonthly average≤ 35 mg/Lall year202
Solids, total suspendeddaily maximum≤ 70 mg/Lall year202
Solids, total suspendeddaily maximum≤ 70 mg/Lall year202
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year202
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year202
Solids, settleabledaily maximum≤ .5 mL/Lall year202
Solids, settleabledaily maximum≤ .5 mL/Lall year202
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year202
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year202
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year202
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year202
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year202
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year202
Durationmonthly totalreport only (d/mo)all year202
Durationmonthly totalreport only (d/mo)all year202
Flowmonthly averagereport only (MGD)all year202
Flowmonthly averagereport only (MGD)all year202
Flowdaily maximumreport only (MGD)all year202
Flowdaily maximumreport only (MGD)all year202
Flowinstantaneous maximumreport only (MGD)all year202
Flowinstantaneous maximumreport only (MGD)all year202
pHinstantaneous minimum≥ 6.5 SUall year205
pHinstantaneous minimum≥ 6.5 SUall year205
pHinstantaneous maximum≤ 9 SUall year205
pHinstantaneous maximum≤ 9 SUall year205
Solids, total suspendedmonthly average≤ 35 mg/Lall year205
Solids, total suspendedmonthly average≤ 35 mg/Lall year205
Solids, total suspendeddaily maximum≤ 70 mg/Lall year205
Solids, total suspendeddaily maximum≤ 70 mg/Lall year205
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year205
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year205
Solids, settleabledaily maximum≤ .5 mL/Lall year205
Solids, settleabledaily maximum≤ .5 mL/Lall year205
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year205
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year205
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year205
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year205
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year205
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year205
Durationmonthly totalreport only (d/mo)all year205
Durationmonthly totalreport only (d/mo)all year205
Flowmonthly averagereport only (MGD)all year205
Flowmonthly averagereport only (MGD)all year205
Flowdaily maximumreport only (MGD)all year205
Flowdaily maximumreport only (MGD)all year205
Flowinstantaneous maximumreport only (MGD)all year205
Flowinstantaneous maximumreport only (MGD)all year205
pHinstantaneous minimum≥ 6.5 SUall year207
pHinstantaneous minimum≥ 6.5 SUall year207
pHinstantaneous maximum≤ 9 SUall year207
pHinstantaneous maximum≤ 9 SUall year207
Solids, total suspendedmonthly average≤ 35 mg/Lall year207
Solids, total suspendedmonthly average≤ 35 mg/Lall year207
Solids, total suspendeddaily maximum≤ 70 mg/Lall year207
Solids, total suspendeddaily maximum≤ 70 mg/Lall year207
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year207
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year207
Solids, settleabledaily maximum≤ .5 mL/Lall year207
Solids, settleabledaily maximum≤ .5 mL/Lall year207
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year207
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year207
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year207
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year207
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year207
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year207
Durationmonthly totalreport only (d/mo)all year207
Durationmonthly totalreport only (d/mo)all year207
Flowmonthly averagereport only (MGD)all year207
Flowmonthly averagereport only (MGD)all year207
Flowdaily maximumreport only (MGD)all year207
Flowdaily maximumreport only (MGD)all year207
Flowinstantaneous maximumreport only (MGD)all year207
Flowinstantaneous maximumreport only (MGD)all year207
pHinstantaneous minimum≥ 6.5 SUall year212
pHinstantaneous minimum≥ 6.5 SUall year212
pHinstantaneous maximum≤ 9 SUall year212
pHinstantaneous maximum≤ 9 SUall year212
Solids, total suspendedmonthly average≤ 35 mg/Lall year212
Solids, total suspendedmonthly average≤ 35 mg/Lall year212
Solids, total suspendeddaily maximum≤ 70 mg/Lall year212
Solids, total suspendeddaily maximum≤ 70 mg/Lall year212
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year212
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year212
Solids, settleabledaily maximum≤ .5 mL/Lall year212
Solids, settleabledaily maximum≤ .5 mL/Lall year212
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year212
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year212
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year212
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year212
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year212
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year212
Durationmonthly totalreport only (d/mo)all year212
Durationmonthly totalreport only (d/mo)all year212
Flowmonthly averagereport only (MGD)all year212
Flowmonthly averagereport only (MGD)all year212
Flowdaily maximumreport only (MGD)all year212
Flowdaily maximumreport only (MGD)all year212
Flowinstantaneous maximumreport only (MGD)all year212
Flowinstantaneous maximumreport only (MGD)all year212
pHinstantaneous minimum≥ 6.5 SUall year213
pHinstantaneous minimum≥ 6.5 SUall year213
pHinstantaneous maximum≤ 9 SUall year213
pHinstantaneous maximum≤ 9 SUall year213
Solids, total suspendedmonthly average≤ 35 mg/Lall year213
Solids, total suspendedmonthly average≤ 35 mg/Lall year213
Solids, total suspendeddaily maximum≤ 70 mg/Lall year213
Solids, total suspendeddaily maximum≤ 70 mg/Lall year213
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year213
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year213
Solids, settleabledaily maximum≤ .5 mL/Lall year213
Solids, settleabledaily maximum≤ .5 mL/Lall year213
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year213
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year213
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year213
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year213
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year213
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year213
Durationmonthly totalreport only (d/mo)all year213
Durationmonthly totalreport only (d/mo)all year213
Flowmonthly averagereport only (MGD)all year213
Flowmonthly averagereport only (MGD)all year213
Flowdaily maximumreport only (MGD)all year213
Flowdaily maximumreport only (MGD)all year213
Flowinstantaneous maximumreport only (MGD)all year213
Flowinstantaneous maximumreport only (MGD)all year213
pHinstantaneous minimum≥ 6.5 SUall year214
pHinstantaneous minimum≥ 6.5 SUall year214
pHinstantaneous maximum≤ 9 SUall year214
pHinstantaneous maximum≤ 9 SUall year214
Solids, total suspendedmonthly average≤ 35 mg/Lall year214
Solids, total suspendedmonthly average≤ 35 mg/Lall year214
Solids, total suspendeddaily maximum≤ 70 mg/Lall year214
Solids, total suspendeddaily maximum≤ 70 mg/Lall year214
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year214
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year214
Solids, settleabledaily maximum≤ .5 mL/Lall year214
Solids, settleabledaily maximum≤ .5 mL/Lall year214
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year214
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year214
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year214
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year214
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year214
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year214
Durationmonthly totalreport only (d/mo)all year214
Durationmonthly totalreport only (d/mo)all year214
Flowmonthly averagereport only (MGD)all year214
Flowmonthly averagereport only (MGD)all year214
Flowdaily maximumreport only (MGD)all year214
Flowdaily maximumreport only (MGD)all year214
Flowinstantaneous maximumreport only (MGD)all year214
Flowinstantaneous maximumreport only (MGD)all year214
pHinstantaneous minimum≥ 6.5 SUall year215
pHinstantaneous minimum≥ 6.5 SUall year215
pHinstantaneous maximum≤ 9 SUall year215
pHinstantaneous maximum≤ 9 SUall year215
Solids, total suspendedmonthly average≤ 35 mg/Lall year215
Solids, total suspendedmonthly average≤ 35 mg/Lall year215
Solids, total suspendeddaily maximum≤ 70 mg/Lall year215
Solids, total suspendeddaily maximum≤ 70 mg/Lall year215
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year215
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year215
Solids, settleabledaily maximum≤ .5 mL/Lall year215
Solids, settleabledaily maximum≤ .5 mL/Lall year215
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year215
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year215
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year215
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year215
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year215
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year215
Durationmonthly totalreport only (d/mo)all year215
Durationmonthly totalreport only (d/mo)all year215
Flowmonthly averagereport only (MGD)all year215
Flowmonthly averagereport only (MGD)all year215
Flowdaily maximumreport only (MGD)all year215
Flowdaily maximumreport only (MGD)all year215
Flowinstantaneous maximumreport only (MGD)all year215
Flowinstantaneous maximumreport only (MGD)all year215
pHinstantaneous minimum≥ 6.5 SUall year216
pHinstantaneous minimum≥ 6.5 SUall year216
pHinstantaneous maximum≤ 9 SUall year216
pHinstantaneous maximum≤ 9 SUall year216
Solids, total suspendedmonthly average≤ 35 mg/Lall year216
Solids, total suspendedmonthly average≤ 35 mg/Lall year216
Solids, total suspendeddaily maximum≤ 70 mg/Lall year216
Solids, total suspendeddaily maximum≤ 70 mg/Lall year216
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year216
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year216
Solids, settleabledaily maximum≤ .5 mL/Lall year216
Solids, settleabledaily maximum≤ .5 mL/Lall year216
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year216
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year216
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year216
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year216
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year216
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year216
Durationmonthly totalreport only (d/mo)all year216
Durationmonthly totalreport only (d/mo)all year216
Flowmonthly averagereport only (MGD)all year216
Flowmonthly averagereport only (MGD)all year216
Flowdaily maximumreport only (MGD)all year216
Flowdaily maximumreport only (MGD)all year216
Flowinstantaneous maximumreport only (MGD)all year216
Flowinstantaneous maximumreport only (MGD)all year216
pHinstantaneous minimum≥ 6.5 SUall year217
pHinstantaneous minimum≥ 6.5 SUall year217
pHinstantaneous maximum≤ 9 SUall year217
pHinstantaneous maximum≤ 9 SUall year217
Solids, total suspendedmonthly average≤ 35 mg/Lall year217
Solids, total suspendedmonthly average≤ 35 mg/Lall year217
Solids, total suspendeddaily maximum≤ 70 mg/Lall year217
Solids, total suspendeddaily maximum≤ 70 mg/Lall year217
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year217
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year217
Solids, settleabledaily maximum≤ .5 mL/Lall year217
Solids, settleabledaily maximum≤ .5 mL/Lall year217
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year217
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year217
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year217
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year217
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year217
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year217
Durationmonthly totalreport only (d/mo)all year217
Durationmonthly totalreport only (d/mo)all year217
Flowmonthly averagereport only (MGD)all year217
Flowmonthly averagereport only (MGD)all year217
Flowdaily maximumreport only (MGD)all year217
Flowdaily maximumreport only (MGD)all year217
Flowinstantaneous maximumreport only (MGD)all year217
Flowinstantaneous maximumreport only (MGD)all year217
pHinstantaneous minimum≥ 6.5 SUall year218
pHinstantaneous minimum≥ 6.5 SUall year218
pHinstantaneous maximum≤ 9 SUall year218
pHinstantaneous maximum≤ 9 SUall year218
Solids, total suspendedmonthly average≤ 35 mg/Lall year218
Solids, total suspendedmonthly average≤ 35 mg/Lall year218
Solids, total suspendeddaily maximum≤ 70 mg/Lall year218
Solids, total suspendeddaily maximum≤ 70 mg/Lall year218
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year218
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year218
Solids, settleabledaily maximum≤ .5 mL/Lall year218
Solids, settleabledaily maximum≤ .5 mL/Lall year218
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year218
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year218
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year218
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year218
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year218
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year218
Durationmonthly totalreport only (d/mo)all year218
Durationmonthly totalreport only (d/mo)all year218
Flowmonthly averagereport only (MGD)all year218
Flowmonthly averagereport only (MGD)all year218
Flowdaily maximumreport only (MGD)all year218
Flowdaily maximumreport only (MGD)all year218
Flowinstantaneous maximumreport only (MGD)all year218
Flowinstantaneous maximumreport only (MGD)all year218
pHinstantaneous minimum≥ 6.5 SUall year219
pHinstantaneous minimum≥ 6.5 SUall year219
pHinstantaneous maximum≤ 9 SUall year219
pHinstantaneous maximum≤ 9 SUall year219
Solids, total suspendedmonthly average≤ 35 mg/Lall year219
Solids, total suspendedmonthly average≤ 35 mg/Lall year219
Solids, total suspendeddaily maximum≤ 70 mg/Lall year219
Solids, total suspendeddaily maximum≤ 70 mg/Lall year219
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year219
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year219
Solids, settleabledaily maximum≤ .5 mL/Lall year219
Solids, settleabledaily maximum≤ .5 mL/Lall year219
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year219
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year219
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year219
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year219
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year219
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year219
Durationmonthly totalreport only (d/mo)all year219
Durationmonthly totalreport only (d/mo)all year219
Flowmonthly averagereport only (MGD)all year219
Flowmonthly averagereport only (MGD)all year219
Flowdaily maximumreport only (MGD)all year219
Flowdaily maximumreport only (MGD)all year219
Flowinstantaneous maximumreport only (MGD)all year219
Flowinstantaneous maximumreport only (MGD)all year219
pHinstantaneous minimum≥ 6.5 SUall year220
pHinstantaneous minimum≥ 6.5 SUall year220
pHinstantaneous maximum≤ 9 SUall year220
pHinstantaneous maximum≤ 9 SUall year220
Solids, total suspendedmonthly average≤ 35 mg/Lall year220
Solids, total suspendedmonthly average≤ 35 mg/Lall year220
Solids, total suspendeddaily maximum≤ 70 mg/Lall year220
Solids, total suspendeddaily maximum≤ 70 mg/Lall year220
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year220
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year220
Solids, settleabledaily maximum≤ .5 mL/Lall year220
Solids, settleabledaily maximum≤ .5 mL/Lall year220
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year220
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year220
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year220
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year220
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year220
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year220
Durationmonthly totalreport only (d/mo)all year220
Durationmonthly totalreport only (d/mo)all year220
Flowmonthly averagereport only (MGD)all year220
Flowmonthly averagereport only (MGD)all year220
Flowdaily maximumreport only (MGD)all year220
Flowdaily maximumreport only (MGD)all year220
Flowinstantaneous maximumreport only (MGD)all year220
Flowinstantaneous maximumreport only (MGD)all year220
pHinstantaneous minimum≥ 6.5 SUall year221
pHinstantaneous minimum≥ 6.5 SUall year221
pHinstantaneous maximum≤ 9 SUall year221
pHinstantaneous maximum≤ 9 SUall year221
Solids, total suspendedmonthly average≤ 35 mg/Lall year221
Solids, total suspendedmonthly average≤ 35 mg/Lall year221
Solids, total suspendeddaily maximum≤ 70 mg/Lall year221
Solids, total suspendeddaily maximum≤ 70 mg/Lall year221
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year221
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year221
Solids, settleabledaily maximum≤ .5 mL/Lall year221
Solids, settleabledaily maximum≤ .5 mL/Lall year221
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year221
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year221
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year221
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year221
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year221
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year221
Durationmonthly totalreport only (d/mo)all year221
Durationmonthly totalreport only (d/mo)all year221
Flowmonthly averagereport only (MGD)all year221
Flowmonthly averagereport only (MGD)all year221
Flowdaily maximumreport only (MGD)all year221
Flowdaily maximumreport only (MGD)all year221
Flowinstantaneous maximumreport only (MGD)all year221
Flowinstantaneous maximumreport only (MGD)all year221
pHinstantaneous minimum≥ 6.5 SUall year222
pHinstantaneous minimum≥ 6.5 SUall year222
pHinstantaneous maximum≤ 9 SUall year222
pHinstantaneous maximum≤ 9 SUall year222
Solids, total suspendedmonthly average≤ 35 mg/Lall year222
Solids, total suspendedmonthly average≤ 35 mg/Lall year222
Solids, total suspendeddaily maximum≤ 70 mg/Lall year222
Solids, total suspendeddaily maximum≤ 70 mg/Lall year222
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year222
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year222
Solids, settleabledaily maximum≤ .5 mL/Lall year222
Solids, settleabledaily maximum≤ .5 mL/Lall year222
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year222
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year222
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year222
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year222
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year222
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year222
Durationmonthly totalreport only (d/mo)all year222
Durationmonthly totalreport only (d/mo)all year222
Flowmonthly averagereport only (MGD)all year222
Flowmonthly averagereport only (MGD)all year222
Flowdaily maximumreport only (MGD)all year222
Flowdaily maximumreport only (MGD)all year222
Flowinstantaneous maximumreport only (MGD)all year222
Flowinstantaneous maximumreport only (MGD)all year222
pHinstantaneous minimum≥ 6.5 SUall year223
pHinstantaneous minimum≥ 6.5 SUall year223
pHinstantaneous maximum≤ 9 SUall year223
pHinstantaneous maximum≤ 9 SUall year223
Solids, total suspendedmonthly average≤ 35 mg/Lall year223
Solids, total suspendedmonthly average≤ 35 mg/Lall year223
Solids, total suspendeddaily maximum≤ 70 mg/Lall year223
Solids, total suspendeddaily maximum≤ 70 mg/Lall year223
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year223
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year223
Solids, settleabledaily maximum≤ .5 mL/Lall year223
Solids, settleabledaily maximum≤ .5 mL/Lall year223
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year223
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year223
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year223
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year223
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year223
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year223
Durationmonthly totalreport only (d/mo)all year223
Durationmonthly totalreport only (d/mo)all year223
Flowmonthly averagereport only (MGD)all year223
Flowmonthly averagereport only (MGD)all year223
Flowdaily maximumreport only (MGD)all year223
Flowdaily maximumreport only (MGD)all year223
Flowinstantaneous maximumreport only (MGD)all year223
Flowinstantaneous maximumreport only (MGD)all year223
pHinstantaneous minimum≥ 6.5 SUall year224
pHinstantaneous minimum≥ 6.5 SUall year224
pHinstantaneous maximum≤ 9 SUall year224
pHinstantaneous maximum≤ 9 SUall year224
Solids, total suspendedmonthly average≤ 35 mg/Lall year224
Solids, total suspendedmonthly average≤ 35 mg/Lall year224
Solids, total suspendeddaily maximum≤ 70 mg/Lall year224
Solids, total suspendeddaily maximum≤ 70 mg/Lall year224
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year224
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year224
Solids, settleabledaily maximum≤ .5 mL/Lall year224
Solids, settleabledaily maximum≤ .5 mL/Lall year224
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year224
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year224
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year224
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year224
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year224
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year224
Durationmonthly totalreport only (d/mo)all year224
Durationmonthly totalreport only (d/mo)all year224
Flowmonthly averagereport only (MGD)all year224
Flowmonthly averagereport only (MGD)all year224
Flowdaily maximumreport only (MGD)all year224
Flowdaily maximumreport only (MGD)all year224
Flowinstantaneous maximumreport only (MGD)all year224
Flowinstantaneous maximumreport only (MGD)all year224
pHinstantaneous minimum≥ 6.5 SUall year225
pHinstantaneous minimum≥ 6.5 SUall year225
pHinstantaneous maximum≤ 9 SUall year225
pHinstantaneous maximum≤ 9 SUall year225
Solids, total suspendedmonthly average≤ 35 mg/Lall year225
Solids, total suspendedmonthly average≤ 35 mg/Lall year225
Solids, total suspendeddaily maximum≤ 70 mg/Lall year225
Solids, total suspendeddaily maximum≤ 70 mg/Lall year225
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year225
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year225
Solids, settleabledaily maximum≤ .5 mL/Lall year225
Solids, settleabledaily maximum≤ .5 mL/Lall year225
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year225
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year225
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year225
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year225
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year225
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year225
Durationmonthly totalreport only (d/mo)all year225
Durationmonthly totalreport only (d/mo)all year225
Flowmonthly averagereport only (MGD)all year225
Flowmonthly averagereport only (MGD)all year225
Flowdaily maximumreport only (MGD)all year225
Flowdaily maximumreport only (MGD)all year225
Flowinstantaneous maximumreport only (MGD)all year225
Flowinstantaneous maximumreport only (MGD)all year225
pHinstantaneous minimum≥ 6.5 SUall year226
pHinstantaneous minimum≥ 6.5 SUall year226
pHinstantaneous maximum≤ 9 SUall year226
pHinstantaneous maximum≤ 9 SUall year226
Solids, total suspendedmonthly average≤ 35 mg/Lall year226
Solids, total suspendedmonthly average≤ 35 mg/Lall year226
Solids, total suspendeddaily maximum≤ 70 mg/Lall year226
Solids, total suspendeddaily maximum≤ 70 mg/Lall year226
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year226
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year226
Solids, settleabledaily maximum≤ .5 mL/Lall year226
Solids, settleabledaily maximum≤ .5 mL/Lall year226
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year226
Iron, total [as Fe]monthly average≤ 3.5 mg/Lall year226
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year226
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year226
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year226
Iron, total [as Fe]instantaneous maximum≤ 9 mg/Lall year226
Durationmonthly totalreport only (d/mo)all year226
Durationmonthly totalreport only (d/mo)all year226
Flowmonthly averagereport only (MGD)all year226
Flowmonthly averagereport only (MGD)all year226
Flowdaily maximumreport only (MGD)all year226
Flowdaily maximumreport only (MGD)all year226
Flowinstantaneous maximumreport only (MGD)all year226
Flowinstantaneous maximumreport only (MGD)all year226

How strict are these limits?

Cited limits by parameter: Wyoming's rules and the federal ones.

Same industry: the 15 Coal Mining permits in Wyoming.

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Your permit document is the final word. As JSON: /api/v1/permits/WY0024091 · MCP: https://passage-data.com/mcp