Western Fuels-Wyoming, Inc.

NPDES permit WY0032964 · Minor NON-POTW · effective, expires 2027-04-30 · 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
0required values missing, on 0 form(s)
0of 130 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 (312)

OutfallParameterStatisticLimitMonths
001pHINST MIN >= 6.5 SU all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedINST MAX <= 70 mg/L all year
001Solids, total suspendedINST MAX <= 70 mg/L all year
001Solids, settleableINST MAX <= .5 mL/L all year
001Solids, settleableINST MAX <= .5 mL/L all year
001Iron, total [as Fe]MO AVG <= 3 mg/L all year
001Iron, total [as Fe]MO AVG <= 3 mg/L all year
001Iron, total [as Fe]INST MAX <= 6 mg/L all year
001Iron, total [as Fe]INST MAX <= 6 mg/L all year
001Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
001Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
001Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
001Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
001DurationMO TOTAL report only all year
001DurationMO TOTAL report only all year
001FlowMO AVG report only all year
001FlowMO AVG report only all year
001FlowDAILY MX report only all year
001FlowDAILY MX report only all year
002pHINST MIN >= 6.5 SU all year
002pHINST MIN >= 6.5 SU all year
002pHINST MAX <= 9 SU all year
002pHINST MAX <= 9 SU all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedINST MAX <= 70 mg/L all year
002Solids, total suspendedINST MAX <= 70 mg/L all year
002Solids, settleableINST MAX <= .5 mL/L all year
002Solids, settleableINST MAX <= .5 mL/L all year
002Iron, total [as Fe]MO AVG <= 3 mg/L all year
002Iron, total [as Fe]MO AVG <= 3 mg/L all year
002Iron, total [as Fe]INST MAX <= 6 mg/L all year
002Iron, total [as Fe]INST MAX <= 6 mg/L all year
002Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
002Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
002Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
002Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
002DurationMO TOTAL report only all year
002DurationMO TOTAL report only all year
002FlowMO AVG report only all year
002FlowMO AVG report only all year
002FlowDAILY MX report only all year
002FlowDAILY MX report only all year
005pHINST MIN >= 6.5 SU all year
005pHINST MIN >= 6.5 SU all year
005pHINST MAX <= 9 SU all year
005pHINST MAX <= 9 SU all year
005Solids, total suspendedMO AVG <= 35 mg/L all year
005Solids, total suspendedMO AVG <= 35 mg/L all year
005Solids, total suspendedINST MAX <= 70 mg/L all year
005Solids, total suspendedINST MAX <= 70 mg/L all year
005Solids, settleableINST MAX <= .5 mL/L all year
005Solids, settleableINST MAX <= .5 mL/L all year
005Iron, total [as Fe]MO AVG <= 3 mg/L all year
005Iron, total [as Fe]MO AVG <= 3 mg/L all year
005Iron, total [as Fe]INST MAX <= 6 mg/L all year
005Iron, total [as Fe]INST MAX <= 6 mg/L all year
005Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
005Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
005Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
005Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
005DurationMO TOTAL report only all year
005DurationMO TOTAL report only all year
005FlowMO AVG report only all year
005FlowMO AVG report only all year
005FlowDAILY MX report only all year
005FlowDAILY MX report only all year
010pHINST MIN >= 6.5 SU all year
010pHINST MIN >= 6.5 SU all year
010pHINST MAX <= 9 SU all year
010pHINST MAX <= 9 SU all year
010Solids, total suspendedMO AVG <= 35 mg/L all year
010Solids, total suspendedMO AVG <= 35 mg/L all year
010Solids, total suspendedINST MAX <= 70 mg/L all year
010Solids, total suspendedINST MAX <= 70 mg/L all year
010Solids, settleableINST MAX <= .5 mL/L all year
010Solids, settleableINST MAX <= .5 mL/L all year
010Iron, total [as Fe]MO AVG <= 3 mg/L all year
010Iron, total [as Fe]MO AVG <= 3 mg/L all year
010Iron, total [as Fe]INST MAX <= 6 mg/L all year
010Iron, total [as Fe]INST MAX <= 6 mg/L all year
010Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
010Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
010Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
010Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
010DurationMO TOTAL report only all year
010DurationMO TOTAL report only all year
010FlowMO AVG report only all year
010FlowMO AVG report only all year
010FlowDAILY MX report only all year
010FlowDAILY MX report only all year
013pHINST MIN >= 6.5 SU all year
013pHINST MIN >= 6.5 SU all year
013pHINST MAX <= 9 SU all year
013pHINST MAX <= 9 SU all year
013Solids, total suspendedMO AVG <= 35 mg/L all year
013Solids, total suspendedMO AVG <= 35 mg/L all year
013Solids, total suspendedINST MAX <= 70 mg/L all year
013Solids, total suspendedINST MAX <= 70 mg/L all year
013Solids, settleableINST MAX <= .5 mL/L all year
013Solids, settleableINST MAX <= .5 mL/L all year
013Iron, total [as Fe]MO AVG <= 3 mg/L all year
013Iron, total [as Fe]MO AVG <= 3 mg/L all year
013Iron, total [as Fe]INST MAX <= 6 mg/L all year
013Iron, total [as Fe]INST MAX <= 6 mg/L all year
013Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
013Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
013Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
013Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
013DurationMO TOTAL report only all year
013DurationMO TOTAL report only all year
013FlowMO AVG report only all year
013FlowMO AVG report only all year
013FlowDAILY MX report only all year
013FlowDAILY MX report only all year
014pHINST MIN >= 6.5 SU all year
014pHINST MIN >= 6.5 SU all year
014pHINST MAX <= 9 SU all year
014pHINST MAX <= 9 SU all year
014Solids, total suspendedMO AVG <= 35 mg/L all year
014Solids, total suspendedMO AVG <= 35 mg/L all year
014Solids, total suspendedINST MAX <= 70 mg/L all year
014Solids, total suspendedINST MAX <= 70 mg/L all year
014Solids, settleableINST MAX <= .5 mL/L all year
014Solids, settleableINST MAX <= .5 mL/L all year
014Iron, total [as Fe]MO AVG <= 3 mg/L all year
014Iron, total [as Fe]MO AVG <= 3 mg/L all year
014Iron, total [as Fe]INST MAX <= 6 mg/L all year
014Iron, total [as Fe]INST MAX <= 6 mg/L all year
014Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
014Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
014Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
014Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
014DurationMO TOTAL report only all year
014DurationMO TOTAL report only all year
014FlowMO AVG report only all year
014FlowMO AVG report only all year
014FlowDAILY MX report only all year
014FlowDAILY MX report only all year
018pHINST MIN >= 6.5 SU all year
018pHINST MIN >= 6.5 SU all year
018pHINST MAX <= 9 SU all year
018pHINST MAX <= 9 SU all year
018Solids, total suspendedMO AVG <= 35 mg/L all year
018Solids, total suspendedMO AVG <= 35 mg/L all year
018Solids, total suspendedINST MAX <= 70 mg/L all year
018Solids, total suspendedINST MAX <= 70 mg/L all year
018Solids, settleableINST MAX <= .5 mL/L all year
018Solids, settleableINST MAX <= .5 mL/L all year
018Iron, total [as Fe]MO AVG <= 3 mg/L all year
018Iron, total [as Fe]MO AVG <= 3 mg/L all year
018Iron, total [as Fe]INST MAX <= 6 mg/L all year
018Iron, total [as Fe]INST MAX <= 6 mg/L all year
018Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
018Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
018Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
018Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
018DurationMO TOTAL report only all year
018DurationMO TOTAL report only all year
018FlowMO AVG report only all year
018FlowMO AVG report only all year
018FlowDAILY MX report only all year
018FlowDAILY MX report only all year
019pHINST MIN >= 6.5 SU all year
019pHINST MIN >= 6.5 SU all year
019pHINST MAX <= 9 SU all year
019pHINST MAX <= 9 SU all year
019Solids, total suspendedMO AVG <= 35 mg/L all year
019Solids, total suspendedMO AVG <= 35 mg/L all year
019Solids, total suspendedINST MAX <= 70 mg/L all year
019Solids, total suspendedINST MAX <= 70 mg/L all year
019Solids, settleableINST MAX <= .5 mL/L all year
019Solids, settleableINST MAX <= .5 mL/L all year
019Iron, total [as Fe]MO AVG <= 3 mg/L all year
019Iron, total [as Fe]MO AVG <= 3 mg/L all year
019Iron, total [as Fe]INST MAX <= 6 mg/L all year
019Iron, total [as Fe]INST MAX <= 6 mg/L all year
019Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
019Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
019Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
019Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
019DurationMO TOTAL report only all year
019DurationMO TOTAL report only all year
019FlowMO AVG report only all year
019FlowMO AVG report only all year
019FlowDAILY MX report only all year
019FlowDAILY MX report only all year
020pHINST MIN >= 6.5 SU all year
020pHINST MIN >= 6.5 SU all year
020pHINST MAX <= 9 SU all year
020pHINST MAX <= 9 SU all year
020Solids, total suspendedMO AVG <= 35 mg/L all year
020Solids, total suspendedMO AVG <= 35 mg/L all year
020Solids, total suspendedINST MAX <= 70 mg/L all year
020Solids, total suspendedINST MAX <= 70 mg/L all year
020Solids, settleableINST MAX <= .5 mL/L all year
020Solids, settleableINST MAX <= .5 mL/L all year
020Iron, total [as Fe]MO AVG <= 3 mg/L all year
020Iron, total [as Fe]MO AVG <= 3 mg/L all year
020Iron, total [as Fe]INST MAX <= 6 mg/L all year
020Iron, total [as Fe]INST MAX <= 6 mg/L all year
020Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
020Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
020Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
020Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
020DurationMO TOTAL report only all year
020DurationMO TOTAL report only all year
020FlowMO AVG report only all year
020FlowMO AVG report only all year
020FlowDAILY MX report only all year
020FlowDAILY MX report only all year
021pHINST MIN >= 6.5 SU all year
021pHINST MIN >= 6.5 SU all year
021pHINST MAX <= 9 SU all year
021pHINST MAX <= 9 SU all year
021Solids, total suspendedMO AVG <= 35 mg/L all year
021Solids, total suspendedMO AVG <= 35 mg/L all year
021Solids, total suspendedINST MAX <= 70 mg/L all year
021Solids, total suspendedINST MAX <= 70 mg/L all year
021Solids, settleableINST MAX <= .5 mL/L all year
021Solids, settleableINST MAX <= .5 mL/L all year
021Iron, total [as Fe]MO AVG <= 3 mg/L all year
021Iron, total [as Fe]MO AVG <= 3 mg/L all year
021Iron, total [as Fe]INST MAX <= 6 mg/L all year
021Iron, total [as Fe]INST MAX <= 6 mg/L all year
021Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
021Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
021Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
021Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
021DurationMO TOTAL report only all year
021DurationMO TOTAL report only all year
021FlowMO AVG report only all year
021FlowMO AVG report only all year
021FlowDAILY MX report only all year
021FlowDAILY MX report only all year
022pHINST MIN >= 6.5 SU all year
022pHINST MIN >= 6.5 SU all year
022pHINST MAX <= 9 SU all year
022pHINST MAX <= 9 SU all year
022Solids, total suspendedMO AVG <= 35 mg/L all year
022Solids, total suspendedMO AVG <= 35 mg/L all year
022Solids, total suspendedINST MAX <= 70 mg/L all year
022Solids, total suspendedINST MAX <= 70 mg/L all year
022Solids, settleableINST MAX <= .5 mL/L all year
022Solids, settleableINST MAX <= .5 mL/L all year
022Iron, total [as Fe]MO AVG <= 3 mg/L all year
022Iron, total [as Fe]MO AVG <= 3 mg/L all year
022Iron, total [as Fe]INST MAX <= 6 mg/L all year
022Iron, total [as Fe]INST MAX <= 6 mg/L all year
022Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
022Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
022Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
022Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
022DurationMO TOTAL report only all year
022DurationMO TOTAL report only all year
022FlowMO AVG report only all year
022FlowMO AVG report only all year
022FlowDAILY MX report only all year
022FlowDAILY MX report only all year
023pHINST MIN >= 6.5 SU all year
023pHINST MIN >= 6.5 SU all year
023pHINST MAX <= 9 SU all year
023pHINST MAX <= 9 SU all year
023Solids, total suspendedMO AVG <= 35 mg/L all year
023Solids, total suspendedMO AVG <= 35 mg/L all year
023Solids, total suspendedINST MAX <= 70 mg/L all year
023Solids, total suspendedINST MAX <= 70 mg/L all year
023Solids, settleableINST MAX <= .5 mL/L all year
023Solids, settleableINST MAX <= .5 mL/L all year
023Iron, total [as Fe]MO AVG <= 3 mg/L all year
023Iron, total [as Fe]MO AVG <= 3 mg/L all year
023Iron, total [as Fe]INST MAX <= 6 mg/L all year
023Iron, total [as Fe]INST MAX <= 6 mg/L all year
023Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
023Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
023Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
023Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
023DurationMO TOTAL report only all year
023DurationMO TOTAL report only all year
023FlowMO AVG report only all year
023FlowMO AVG report only all year
023FlowDAILY MX report only all year
023FlowDAILY MX report only all year
024pHINST MIN >= 6.5 SU all year
024pHINST MIN >= 6.5 SU all year
024pHINST MAX <= 9 SU all year
024pHINST MAX <= 9 SU all year
024Solids, total suspendedMO AVG <= 35 mg/L all year
024Solids, total suspendedMO AVG <= 35 mg/L all year
024Solids, total suspendedINST MAX <= 70 mg/L all year
024Solids, total suspendedINST MAX <= 70 mg/L all year
024Solids, settleableINST MAX <= .5 mL/L all year
024Solids, settleableINST MAX <= .5 mL/L all year
024Iron, total [as Fe]MO AVG <= 3 mg/L all year
024Iron, total [as Fe]MO AVG <= 3 mg/L all year
024Iron, total [as Fe]INST MAX <= 6 mg/L all year
024Iron, total [as Fe]INST MAX <= 6 mg/L all year
024Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
024Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
024Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
024Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
024DurationMO TOTAL report only all year
024DurationMO TOTAL report only all year
024FlowMO AVG report only all year
024FlowMO AVG report only all year
024FlowDAILY MX report only all year
024FlowDAILY MX report only all year

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