Passage Data · Check a report · Use it from your AI

Aethon Energy Operating LLC

Crude Petroleum And Natural Gas, Unknown, Wyoming. NPDES permit WY0002062 expired Jul 31, 2025; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 003 form AL quarterly (8 values), outfall 003 form AQ quarterly (14 values), outfall 006 form AL quarterly (8 values), outfall 006 form AQ quarterly (14 values), outfall 009 form AL quarterly (8 values), outfall 009 form AQ quarterly (14 values), and 14 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 68 reports late

Limits in force (135)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 88 deg Fall year003
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year003
pHinstantaneous minimum≥ 6.5 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Nitrogen, total [as N]daily maximumreport only (mg/L)all year003
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year003
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year003
Phosphorus, total [as P]daily maximumreport only (mg/L)all year003
Sulfide, total [as S]daily maximum≤ 20 ug/Lall year003
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year003
Phosphate, ortho [as P]daily maximumreport only (mg/L)all year003
Toluenedaily maximumreport only (ug/L)all year003
Benzenedaily maximumreport only (ug/L)all year003
Ethylbenzenedaily maximumreport only (ug/L)all year003
Chloridedaily maximum≤ 230 mg/Lall year003
Solids, total dissolveddaily maximumreport only (mg/L)all year003
Flowmonthly averagereport only (MGD)all year003
Flowdaily maximumreport only (MGD)all year003
Isopropyl alcohol [C3H8O], sed.daily maximumreport only (ug/L)all year003
Ethylene glycoldaily maximumreport only (ug/L)all year003
Methanol, totaldaily maximumreport only (mg/L)all year003
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year003
Sulfatedaily maximum≤ 3000 mg/Lall year003
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year003
Produced water, oil and greasedaily maximum≤ 10 mg/Lall year003
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum= 0 pass=0;fail=1all year003
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value= 0 pass=0;fail=1all year003
Temperature, water deg. fahrenheitdaily maximum≤ 88 deg Fall year006
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year006
pHinstantaneous minimum≥ 6.5 SUall year006
pHinstantaneous maximum≤ 9 SUall year006
Nitrogen, total [as N]daily maximumreport only (mg/L)all year006
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year006
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year006
Phosphorus, total [as P]daily maximumreport only (mg/L)all year006
Sulfide, total [as S]daily maximum≤ 20 ug/Lall year006
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year006
Phosphate, ortho [as P]daily maximumreport only (mg/L)all year006
Toluenedaily maximumreport only (ug/L)all year006
Benzenedaily maximumreport only (ug/L)all year006
Ethylbenzenedaily maximumreport only (ug/L)all year006
Chloridedaily maximum≤ 230 mg/Lall year006
Solids, total dissolveddaily maximumreport only (mg/L)all year006
Flowmonthly averagereport only (MGD)all year006
Flowdaily maximumreport only (MGD)all year006
Isopropyl alcohol [C3H8O], sed.daily maximumreport only (ug/L)all year006
Ethylene glycoldaily maximumreport only (ug/L)all year006
Methanol, totaldaily maximumreport only (mg/L)all year006
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year006
Sulfatedaily maximum≤ 3000 mg/Lall year006
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year006
Produced water, oil and greasedaily maximum≤ 10 mg/Lall year006
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum= 0 pass=0;fail=1all year006
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value= 0 pass=0;fail=1all year006
Temperature, water deg. fahrenheitdaily maximum≤ 88 deg Fall year009
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year009
pHinstantaneous minimum≥ 6.5 SUall year009
pHinstantaneous maximum≤ 9 SUall year009
Nitrogen, total [as N]daily maximumreport only (mg/L)all year009
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year009
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year009
Phosphorus, total [as P]daily maximumreport only (mg/L)all year009
Sulfide, total [as S]daily maximum≤ 20 ug/Lall year009
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year009
Phosphate, ortho [as P]daily maximumreport only (mg/L)all year009
Toluenedaily maximumreport only (ug/L)all year009
Benzenedaily maximumreport only (ug/L)all year009
Ethylbenzenedaily maximumreport only (ug/L)all year009
Chloridedaily maximum≤ 230 mg/Lall year009
Solids, total dissolveddaily maximumreport only (mg/L)all year009
Flowmonthly averagereport only (MGD)all year009
Flowdaily maximumreport only (MGD)all year009
Isopropyl alcohol [C3H8O], sed.daily maximumreport only (ug/L)all year009
Ethylene glycoldaily maximumreport only (ug/L)all year009
Methanol, totaldaily maximumreport only (mg/L)all year009
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year009
Sulfatedaily maximum≤ 3000 mg/Lall year009
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year009
Produced water, oil and greasedaily maximum≤ 10 mg/Lall year009
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum= 0 pass=0;fail=1all year009
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value= 0 pass=0;fail=1all year009
Temperature, water deg. fahrenheitdaily maximum≤ 88 deg Fall year016
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year016
pHinstantaneous minimum≥ 6.5 SUall year016
pHinstantaneous maximum≤ 9 SUall year016
Nitrogen, total [as N]daily maximumreport only (mg/L)all year016
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year016
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year016
Phosphorus, total [as P]daily maximumreport only (mg/L)all year016
Sulfide, total [as S]daily maximum≤ 20 ug/Lall year016
Iron, dissolved [as Fe]daily maximum≤ 1000 ug/Lall year016
Phosphate, ortho [as P]daily maximumreport only (mg/L)all year016
Toluenedaily maximumreport only (ug/L)all year016
Benzenedaily maximumreport only (ug/L)all year016
Ethylbenzenedaily maximumreport only (ug/L)all year016
Chloridedaily maximum≤ 230 mg/Lall year016
Solids, total dissolveddaily maximumreport only (mg/L)all year016
Flowmonthly averagereport only (MGD)all year016
Flowdaily maximumreport only (MGD)all year016
Isopropyl alcohol [C3H8O], sed.daily maximumreport only (ug/L)all year016
Ethylene glycoldaily maximumreport only (ug/L)all year016
Methanol, totaldaily maximumreport only (mg/L)all year016
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year016
Sulfatedaily maximum≤ 3000 mg/Lall year016
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year016
Produced water, oil and greasedaily maximum≤ 10 mg/Lall year016
Pass/Fail Static 48Hr Acute Daphnia Magna48-hour maximum= 0 pass=0;fail=1all year016
Pass/Fail Static 96 Hr Acute Pimephales Promelas96-hour value= 0 pass=0;fail=1all year016
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all yearBWC1
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all yearBWC1
pHinstantaneous minimumreport only (SU)all yearBWC1
pHinstantaneous maximumreport only (SU)all yearBWC1
Chloridedaily maximumreport only (mg/L)all yearBWC1
Solids, total dissolveddaily maximumreport only (mg/L)all yearBWC1
Produced water, oil and greasedaily maximumreport only (mg/L)all yearBWC1
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all yearBWC2
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all yearBWC2
pHinstantaneous minimumreport only (SU)all yearBWC2
pHinstantaneous maximumreport only (SU)all yearBWC2
Solids, total suspendeddaily maximumreport only (mg/L)all yearBWC2
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all yearDMP1
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all yearDMP1
pHinstantaneous minimumreport only (SU)all yearDMP1
pHinstantaneous maximumreport only (SU)all yearDMP1
Barium, total [as Ba]daily maximumreport only (ug/L)all yearDMP1
Radium 226 + radium 228, totaldaily maximumreport only (pCi/L)all yearDMP1
Toluenedaily maximumreport only (ug/L)all yearDMP1
Benzenedaily maximumreport only (ug/L)all yearDMP1
Ethylbenzenedaily maximumreport only (ug/L)all yearDMP1
Chloridedaily maximumreport only (mg/L)all yearDMP1
Solids, total dissolveddaily maximumreport only (mg/L)all yearDMP1
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all yearDMP1
Produced water, oil and greasedaily maximumreport only (mg/L)all yearDMP1
Solids, total dissolvedmonthly total≤ 908 ton/moall yearSUM
Solids, total dissolvedmonthly total≤ 908 ton/moall yearSUM

How strict are these limits?

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

Same industry: the 209 Oil and Gas Extraction permits in Wyoming.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WY0002062 · MCP: https://passage-data.com/mcp