American Gilsonite Company

NPDES permit UT0000167 · Minor NON-POTW · effective, expires 2026-09-30 · 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 134 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 UT permits in EPA's filings — check your permit).

Limits in force (127)

OutfallParameterStatisticLimitMonths
010pHMINIMUM >= 6.5 SU all year
010pHMAXIMUM <= 9 SU all year
010Solids, total suspended30DA AVG <= 25 mg/L all year
010Solids, total suspended7 DA AVG <= 35 mg/L all year
010Oil & GreaseDAILY MX <= 10 mg/L all year
010Solids, total dissolvedDAILY MX <= 3500 mg/L all year
010Flow, total30DA AVG report only all year
010Flow, totalDAILY MX report only all year
010Oil and grease visualINST MAX <= 0 N=0;Y=1 all year
013pHMINIMUM >= 6.5 SU all year
013pHMAXIMUM <= 9 SU all year
013Solids, total suspended30DA AVG <= 25 mg/L all year
013Solids, total suspended7 DA AVG <= 35 mg/L all year
013Oil & GreaseDAILY MX <= 10 mg/L all year
013Solids, total dissolvedDAILY MX <= 3500 mg/L all year
013Flow, total30DA AVG report only all year
013Flow, totalDAILY MX report only all year
013Oil and grease visualINST MAX <= 0 N=0;Y=1 all year
016pHMINIMUM >= 6.5 SU all year
016pHMAXIMUM <= 9 SU all year
016Solids, total suspended30DA AVG <= 25 mg/L all year
016Solids, total suspended7 DA AVG <= 35 mg/L all year
016Oil & GreaseDAILY MX <= 10 mg/L all year
016Solids, total dissolvedDAILY MX <= 3500 mg/L all year
016Flow, total30DA AVG report only all year
016Flow, totalDAILY MX report only all year
016Oil and grease visualINST MAX <= 0 N=0;Y=1 all year
017pHMINIMUM >= 6.5 SU all year
017pHMAXIMUM <= 9 SU all year
017Solids, total suspended30DA AVG <= 25 mg/L all year
017Solids, total suspended7 DA AVG <= 35 mg/L all year
017Oil & GreaseDAILY MX <= 10 mg/L all year
017Solids, total dissolvedDAILY MX <= 3500 mg/L all year
017Flow, total30DA AVG report only all year
017Flow, totalDAILY MX report only all year
017Oil and grease visualINST MAX <= 0 N=0;Y=1 all year
024Oxygen, dissolved [DO]INST MIN >= 3 mg/L all year
024Oxygen, dissolved [DO]30DA AVG <= 5.5 mg/L all year
024pHMINIMUM >= 6.5 SU all year
024pHMAXIMUM <= 9 SU all year
024Solids, total suspended30DA AVG <= 25 mg/L all year
024Solids, total suspended7 DA AVG <= 35 mg/L all year
024Oil & GreaseDAILY MX <= 10 mg/L all year
024Solids, total dissolvedDAILY MX <= 3500 mg/L all year
024Flow, total30DA AVG report only all year
024Flow, totalDAILY MX report only all year
024Oil and grease visualINST MAX report only all year
029pHMINIMUM >= 6.5 SU all year
029pHMAXIMUM <= 9 SU all year
029Solids, total suspended30DA AVG <= 25 mg/L all year
029Solids, total suspended7 DA AVG <= 35 mg/L all year
029Oil & GreaseDAILY MX <= 10 mg/L all year
029Solids, total dissolvedDAILY MX <= 3500 mg/L all year
029Flow, total30DA AVG report only all year
029Flow, totalDAILY MX report only all year
029Oil and grease visualINST MAX <= 0 N=0;Y=1 all year
030pHMINIMUM >= 6.5 SU all year
030pHMAXIMUM <= 9 SU all year
030Solids, total suspended30DA AVG <= 25 mg/L all year
030Solids, total suspended7 DA AVG <= 35 mg/L all year
030Oil & GreaseDAILY MX <= 10 mg/L all year
030Solids, total dissolvedDAILY MX <= 3500 mg/L all year
030Flow, total30DA AVG report only all year
030Flow, totalDAILY MX report only all year
030Oil and grease visualINST MAX <= 0 N=0;Y=1 all year
031Oxygen, dissolved [DO]INST MIN report only all year
031Oxygen, dissolved [DO]30DA AVG report only all year
031pHMINIMUM >= 6.5 SU all year
031pHMAXIMUM <= 9 SU all year
031Solids, total suspended30DA AVG <= 25 mg/L all year
031Solids, total suspended7 DA AVG <= 35 mg/L all year
031Oil & GreaseDAILY MX <= 10 mg/L all year
031Solids, total dissolvedDAILY MX <= 3500 mg/L all year
031Flow, total30DA AVG report only all year
031Flow, totalDAILY MX report only all year
031Oil and grease visualINST MAX report only all year
032pHMINIMUM >= 6.5 SU all year
032pHMAXIMUM <= 9 SU all year
032Solids, total suspended30DA AVG <= 25 mg/L all year
032Solids, total suspended7 DA AVG <= 35 mg/L all year
032Oil & GreaseDAILY MX <= 10 mg/L all year
032Solids, total dissolvedDAILY MX <= 3500 mg/L all year
032Flow, total30DA AVG report only all year
032Flow, totalDAILY MX report only all year
032Oil and grease visualINST MAX <= 0 N=0;Y=1 all year
033pHMINIMUM >= 6.5 SU all year
033pHMAXIMUM <= 9 SU all year
033Solids, total suspended30DA AVG <= 25 mg/L all year
033Solids, total suspended7 DA AVG <= 35 mg/L all year
033Oil & GreaseDAILY MX <= 10 mg/L all year
033Solids, total dissolvedDAILY MX <= 3500 mg/L all year
033Flow, totalDAILY MX report only all year
033Oil and grease visualINST MAX <= 0 N=0;Y=1 all year
034pHMINIMUM >= 6.5 SU all year
034pHMAXIMUM <= 9 SU all year
034Solids, total suspended30DA AVG <= 25 mg/L all year
034Solids, total suspended7 DA AVG <= 35 mg/L all year
034Oil & GreaseDAILY MX <= 10 mg/L all year
034Solids, total dissolvedDAILY MX <= 3500 mg/L all year
034Flow, total30DA AVG report only all year
034Flow, totalDAILY MX report only all year
034Oil and grease visualINST MAX <= 0 N=0;Y=1 all year
036Oxygen, dissolved [DO]INST MIN report only all year
036Oxygen, dissolved [DO]30DA AVG report only all year
036pHMINIMUM >= 6.5 SU all year
036pHMAXIMUM <= 9 SU all year
036Solids, total suspended30DA AVG <= 25 mg/L all year
036Solids, total suspended7 DA AVG <= 35 mg/L all year
036Oil & GreaseDAILY MX <= 10 mg/L all year
036Solids, total dissolvedDAILY MX <= 3500 mg/L all year
036Flow, total30DA AVG report only all year
036Flow, totalDAILY MX report only all year
036Oil and grease visualINST MAX report only all year
037Oxygen, dissolved [DO]DAILY MX report only all year
037pHMINIMUM >= 6.5 SU all year
037pHMAXIMUM <= 9 SU all year
037Solids, total suspendedDAILY MX report only all year
037Oil & GreaseDAILY MX <= 10 mg/L all year
037RainfallDAILY MX report only all year
037Volume, totalDAILY MX report only all year
037Date Discharge BeganVALUE report only all year
037Solids, total dissolvedDAILY MX report only all year
037Oil and grease visualINST MAX report only all year
SUMSolids, total dissolvedROLL AVG <= 1281 ton/yr all year
SUMSolids, total dissolvedROLL AVG <= 1281 ton/yr all year
SUMSolids, total dissolvedROLL AVG <= 1281 ton/yr all year
SUMSolids, total dissolvedROLL AVG <= 1281 ton/yr 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