Passage Data · Check a report · Use it from your AI
Crude Petroleum And Natural Gas, Cody, Wyoming. NPDES permit WY0000949 expired Jun 30, 2025; its limits still apply. Last 12 months: over a limit once (last June 2026), 10 of 33 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| June 2026 | Sulfate [as S], daily maximum | 2770 mg/L | ≤ 2500 mg/L | 11% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Specific conductance | daily maximum | ≤ 7500 uS/cm | all year | 001 |
| Sulfate [as S] | daily maximum | ≤ 2500 mg/L | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Oil & Grease | daily maximum | ≤ 10 mg/L | all year | 001 |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year | 001 |
| Sulfide, total [as S] | daily maximum | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | daily maximum | ≤ 2000 mg/L | all year | 001 |
| Fluoride | daily maximum | report only (mg/L) | all year | 001 |
| Arsenic, total [as As] | daily maximum | report only (ug/L) | all year | 001 |
| Beryllium, total [as Be] | daily maximum | report only (ug/L) | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 001 |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 001 |
| Thallium, total [as Tl] | daily maximum | report only (ug/L) | all year | 001 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 001 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 001 |
| Antimony, total [as Sb] | daily maximum | report only (ug/L) | all year | 001 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 001 |
| Total phenols | daily maximum | report only (ug/L) | all year | 001 |
| Radium 226, total | daily maximum | ≤ 60 pCi/L | all year | 001 |
| Dichlorobromomethane | daily maximum | report only (mg/L) | all year | 001 |
| Carbon tetrachloride | daily maximum | report only (mg/L) | all year | 001 |
| 1,2-Dichloroethane | daily maximum | report only (mg/L) | all year | 001 |
| Bromoform | daily maximum | report only (mg/L) | all year | 001 |
| Chloroform | daily maximum | report only (mg/L) | all year | 001 |
| Toluene | daily maximum | report only (mg/L) | all year | 001 |
| Benzene | daily maximum | report only (mg/L) | all year | 001 |
| Acenaphthylene | daily maximum | report only (mg/L) | all year | 001 |
| Acenaphthene | daily maximum | report only (mg/L) | all year | 001 |
| Acrolein | daily maximum | report only (mg/L) | all year | 001 |
| Acrylonitrile | daily maximum | report only (mg/L) | all year | 001 |
| Anthracene | daily maximum | report only (mg/L) | all year | 001 |
| Benzo[k]fluoranthene | daily maximum | report only (mg/L) | all year | 001 |
| Benzo[a]pyrene | daily maximum | report only (mg/L) | all year | 001 |
| Bis[2-chloroethyl] ether | daily maximum | report only (mg/L) | all year | 001 |
| Bis[2-chloroethoxy]methane | daily maximum | report only (mg/L) | all year | 001 |
| Bis[2-chloroisopropyl] ether | daily maximum | report only (mg/L) | all year | 001 |
| Butyl benzyl phthalate | daily maximum | report only (mg/L) | all year | 001 |
| Chlorobenzene | daily maximum | report only (mg/L) | all year | 001 |
| Chlorodibromomethane | daily maximum | report only (mg/L) | all year | 001 |
| Chrysene | daily maximum | report only (mg/L) | all year | 001 |
| Diethyl phthalate | daily maximum | report only (mg/L) | all year | 001 |
| Dimethyl phthalate | daily maximum | report only (mg/L) | all year | 001 |
| 1,2-Diphenylhydrazine | daily maximum | report only (mg/L) | all year | 001 |
| Ethylbenzene | daily maximum | report only (mg/L) | all year | 001 |
| Fluoranthene | daily maximum | report only (mg/L) | all year | 001 |
| Fluorene | daily maximum | report only (mg/L) | all year | 001 |
| Hexachlorocyclopentadiene | daily maximum | report only (mg/L) | all year | 001 |
| Hexachloroethane | daily maximum | report only (mg/L) | all year | 001 |
| Indeno[1,2,3-cd]pyrene | daily maximum | report only (mg/L) | all year | 001 |
| Isophorone | daily maximum | report only (mg/L) | all year | 001 |
| Methyl bromide [Bromomethane] | daily maximum | report only (mg/L) | all year | 001 |
| Methyl chloride [Chloromethane] | daily maximum | report only (mg/L) | all year | 001 |
| Methylene chloride | daily maximum | report only (mg/L) | all year | 001 |
| N-Nitrosodi-N-propylamine | daily maximum | report only (mg/L) | all year | 001 |
| N-Nitrosodiphenylamine | daily maximum | report only (mg/L) | all year | 001 |
| N-Nitrosodimethylamine [NDMA] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrobenzene | daily maximum | report only (mg/L) | all year | 001 |
| Phenanthrene | daily maximum | report only (mg/L) | all year | 001 |
| Pyrene | daily maximum | report only (mg/L) | all year | 001 |
| Tetrachloroethylene | daily maximum | report only (mg/L) | all year | 001 |
| 1,1-Dichloroethane | daily maximum | report only (mg/L) | all year | 001 |
| 1,1-Dichloroethylene | daily maximum | report only (mg/L) | all year | 001 |
| 1,1,1-Trichloroethane | daily maximum | report only (mg/L) | all year | 001 |
| 1,1,2-Trichloroethane | daily maximum | report only (mg/L) | all year | 001 |
| 1,1,2,2-Tetrachloroethane | daily maximum | report only (mg/L) | all year | 001 |
| Benzo[ghi]perylene | daily maximum | report only (mg/L) | all year | 001 |
| Benzo[a]anthracene | daily maximum | report only (mg/L) | all year | 001 |
| 1,2-Dichlorobenzene | daily maximum | report only (mg/L) | all year | 001 |
| 1,2-Dichloropropane | daily maximum | report only (mg/L) | all year | 001 |
| 1,2,4-Trichlorobenzene | daily maximum | report only (mg/L) | all year | 001 |
| Dibenz[a,h]anthracene | daily maximum | report only (mg/L) | all year | 001 |
| 1,3-Dichlorobenzene | daily maximum | report only (mg/L) | all year | 001 |
| 1,4-Dichlorobenzene | daily maximum | report only (mg/L) | all year | 001 |
| 2-Chloroethyl vinyl ether, [mixed] | daily maximum | report only (mg/L) | all year | 001 |
| 2-Chloronaphthalene | daily maximum | report only (mg/L) | all year | 001 |
| 2-Chlorophenol | daily maximum | report only (mg/L) | all year | 001 |
| 2-Nitrophenol | daily maximum | report only (mg/L) | all year | 001 |
| Di-n-octyl phthalate | daily maximum | report only (mg/L) | all year | 001 |
| 2,4-Dichlorophenol | daily maximum | report only (mg/L) | all year | 001 |
| 2,4-Dimethylphenol | daily maximum | report only (mg/L) | all year | 001 |
| 2,4-Dinitrotoluene | daily maximum | report only (mg/L) | all year | 001 |
| 2,4-Dinitrophenol | daily maximum | report only (mg/L) | all year | 001 |
| 2,4,6-Trichlorophenol | daily maximum | report only (mg/L) | all year | 001 |
| 2,6-Dinitrotoluene | daily maximum | report only (mg/L) | all year | 001 |
| 3,3'-Dichlorobenzidine | daily maximum | report only (mg/L) | all year | 001 |
| 4-Bromophenyl phenyl ether | daily maximum | report only (mg/L) | all year | 001 |
| 4-Chlorophenyl phenyl ether | daily maximum | report only (mg/L) | all year | 001 |
| 4-Nitrophenol | daily maximum | report only (mg/L) | all year | 001 |
| 4,6-Dinitro-o-cresol | daily maximum | report only (mg/L) | all year | 001 |
| Phenol | daily maximum | report only (mg/L) | all year | 001 |
| Naphthalene | daily maximum | report only (mg/L) | all year | 001 |
| Pentachlorophenol | daily maximum | report only (mg/L) | all year | 001 |
| Di-n-butyl phthalate | daily maximum | report only (mg/L) | all year | 001 |
| Benzidine | daily maximum | report only (mg/L) | all year | 001 |
| Vinyl chloride | daily maximum | report only (mg/L) | all year | 001 |
| Trichloroethylene | daily maximum | report only (mg/L) | all year | 001 |
| Hexachlorobenzene | daily maximum | report only (mg/L) | all year | 001 |
| Hexachlorobutadiene | daily maximum | report only (mg/L) | all year | 001 |
| Floating solids, waste or visible foam-visual | instantaneous maximum | report only (N=0;Y=1) | all year | 001 |
| Sulfide-hydrogen sulfide [undissociated] | 30-day average | ≤ 200 mg/L | all year | 001 |
| Sulfide-hydrogen sulfide [undissociated] | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total dissolved | daily maximum | ≤ 5000 mg/L | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 001 |
| 3,4-Benzofluoranthene | daily maximum | report only (mg/L) | all year | 001 |
| Flow, total | 30-day average | report only (MGD) | all year | 001 |
| Flow, total | daily maximum | report only (MGD) | all year | 001 |
| p-Chloro-m-cresol | daily maximum | report only (mg/L) | all year | 001 |
| Oil and grease visual | instantaneous maximum | report only (N=0;Y=1) | all year | 001 |
| Chloroethane | daily maximum | report only (mg/L) | all year | 001 |
| Specific conductance | daily maximum | ≤ 7500 uS/cm | all year | 002 |
| Sulfate [as S] | daily maximum | ≤ 2500 mg/L | all year | 002 |
| pH | minimum | ≥ 6.5 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Oil & Grease | daily maximum | ≤ 10 mg/L | all year | 002 |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year | 002 |
| Sulfide, total [as S] | daily maximum | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | daily maximum | ≤ 2000 mg/L | all year | 002 |
| Fluoride | daily maximum | report only (mg/L) | all year | 002 |
| Arsenic, total [as As] | daily maximum | report only (ug/L) | all year | 002 |
| Beryllium, total [as Be] | daily maximum | report only (ug/L) | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 002 |
| Chromium, total [as Cr] | daily average | report only (ug/L) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 002 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 002 |
| Thallium, total [as Tl] | daily maximum | report only (ug/L) | all year | 002 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 002 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 002 |
| Antimony, total [as Sb] | daily maximum | report only (ug/L) | all year | 002 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 002 |
| Total phenols | daily maximum | report only (ug/L) | all year | 002 |
| Radium 226, total | daily maximum | ≤ 60 pCi/L | all year | 002 |
| Dichlorobromomethane | daily maximum | report only (mg/L) | all year | 002 |
| Carbon tetrachloride | daily maximum | report only (mg/L) | all year | 002 |
| 1,2-Dichloroethane | daily maximum | report only (mg/L) | all year | 002 |
| Bromoform | daily maximum | report only (mg/L) | all year | 002 |
| Chloroform | daily maximum | report only (mg/L) | all year | 002 |
| Toluene | daily maximum | report only (mg/L) | all year | 002 |
| Benzene | daily maximum | report only (mg/L) | all year | 002 |
| Acenaphthylene | daily maximum | report only (mg/L) | all year | 002 |
| Acenaphthene | daily maximum | report only (mg/L) | all year | 002 |
| Acrolein | daily maximum | report only (mg/L) | all year | 002 |
| Acrylonitrile | daily maximum | report only (mg/L) | all year | 002 |
| Anthracene | daily maximum | report only (mg/L) | all year | 002 |
| Benzo[k]fluoranthene | daily maximum | report only (mg/L) | all year | 002 |
| Benzo[a]pyrene | daily maximum | report only (mg/L) | all year | 002 |
| Bis[2-chloroethyl] ether | daily maximum | report only (mg/L) | all year | 002 |
| Bis[2-chloroethoxy]methane | daily maximum | report only (mg/L) | all year | 002 |
| Bis[2-chloroisopropyl] ether | daily maximum | report only (mg/L) | all year | 002 |
| Butyl benzyl phthalate | daily maximum | report only (mg/L) | all year | 002 |
| Chlorobenzene | daily maximum | report only (mg/L) | all year | 002 |
| Chlorodibromomethane | daily maximum | report only (mg/L) | all year | 002 |
| Chrysene | daily maximum | report only (mg/L) | all year | 002 |
| Diethyl phthalate | daily maximum | report only (mg/L) | all year | 002 |
| Dimethyl phthalate | daily maximum | report only (mg/L) | all year | 002 |
| 1,2-Diphenylhydrazine | daily maximum | report only (mg/L) | all year | 002 |
| Ethylbenzene | daily maximum | report only (mg/L) | all year | 002 |
| Fluoranthene | daily maximum | report only (mg/L) | all year | 002 |
| Fluorene | daily maximum | report only (mg/L) | all year | 002 |
| Hexachlorocyclopentadiene | daily maximum | report only (mg/L) | all year | 002 |
| Hexachloroethane | daily maximum | report only (mg/L) | all year | 002 |
| Indeno[1,2,3-cd]pyrene | daily maximum | report only (mg/L) | all year | 002 |
| Isophorone | daily maximum | report only (mg/L) | all year | 002 |
| Methyl bromide [Bromomethane] | daily maximum | report only (mg/L) | all year | 002 |
| Methyl chloride [Chloromethane] | daily maximum | report only (mg/L) | all year | 002 |
| Methylene chloride | daily maximum | report only (mg/L) | all year | 002 |
| N-Nitrosodi-N-propylamine | daily maximum | report only (mg/L) | all year | 002 |
| N-Nitrosodiphenylamine | daily maximum | report only (mg/L) | all year | 002 |
| N-Nitrosodimethylamine [NDMA] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrobenzene | daily maximum | report only (mg/L) | all year | 002 |
| Phenanthrene | daily maximum | report only (mg/L) | all year | 002 |
| Pyrene | daily maximum | report only (mg/L) | all year | 002 |
| Tetrachloroethylene | daily maximum | report only (mg/L) | all year | 002 |
| 1,1-Dichloroethane | daily maximum | report only (mg/L) | all year | 002 |
| 1,1-Dichloroethylene | daily maximum | report only (mg/L) | all year | 002 |
| 1,1,1-Trichloroethane | daily maximum | report only (mg/L) | all year | 002 |
| 1,1,2-Trichloroethane | daily maximum | report only (mg/L) | all year | 002 |
| 1,1,2,2-Tetrachloroethane | daily maximum | report only (mg/L) | all year | 002 |
| Benzo[ghi]perylene | daily maximum | report only (mg/L) | all year | 002 |
| Benzo[a]anthracene | daily maximum | report only (mg/L) | all year | 002 |
| 1,2-Dichlorobenzene | daily maximum | report only (mg/L) | all year | 002 |
| 1,2-Dichloropropane | daily maximum | report only (mg/L) | all year | 002 |
| trans-1,2-Dichloroethylene | daily maximum | report only (mg/L) | all year | 002 |
| 1,2,4-Trichlorobenzene | daily maximum | report only (mg/L) | all year | 002 |
| Dibenz[a,h]anthracene | daily maximum | report only (mg/L) | all year | 002 |
| 1,3-Dichlorobenzene | daily maximum | report only (mg/L) | all year | 002 |
| 1,4-Dichlorobenzene | daily maximum | report only (mg/L) | all year | 002 |
| 2-Chloroethyl vinyl ether, [mixed] | daily maximum | report only (mg/L) | all year | 002 |
| 2-Chloronaphthalene | daily maximum | report only (mg/L) | all year | 002 |
| 2-Chlorophenol | daily maximum | report only (mg/L) | all year | 002 |
| 2-Nitrophenol | daily maximum | report only (mg/L) | all year | 002 |
| Di-n-octyl phthalate | daily maximum | report only (mg/L) | all year | 002 |
| 2,4-Dichlorophenol | daily maximum | report only (mg/L) | all year | 002 |
| 2,4-Dimethylphenol | daily maximum | report only (mg/L) | all year | 002 |
| 2,4-Dinitrotoluene | daily maximum | report only (mg/L) | all year | 002 |
| 2,4-Dinitrophenol | daily maximum | report only (mg/L) | all year | 002 |
| 2,4,6-Trichlorophenol | daily maximum | report only (mg/L) | all year | 002 |
| 2,6-Dinitrotoluene | daily maximum | report only (mg/L) | all year | 002 |
| 3,3'-Dichlorobenzidine | daily maximum | report only (mg/L) | all year | 002 |
| 4-Bromophenyl phenyl ether | daily maximum | report only (mg/L) | all year | 002 |
| 4-Chlorophenyl phenyl ether | daily maximum | report only (mg/L) | all year | 002 |
| 4-Nitrophenol | daily maximum | report only (mg/L) | all year | 002 |
| 4,6-Dinitro-o-cresol | daily maximum | report only (mg/L) | all year | 002 |
| Phenol | daily maximum | report only (mg/L) | all year | 002 |
| Naphthalene | daily maximum | report only (mg/L) | all year | 002 |
| Pentachlorophenol | daily maximum | report only (mg/L) | all year | 002 |
| Di-n-butyl phthalate | daily maximum | report only (mg/L) | all year | 002 |
| Benzidine | daily maximum | report only (mg/L) | all year | 002 |
| Vinyl chloride | daily maximum | report only (mg/L) | all year | 002 |
| Trichloroethylene | daily maximum | report only (mg/L) | all year | 002 |
| Hexachlorobenzene | daily maximum | report only (mg/L) | all year | 002 |
| Hexachlorobutadiene | daily maximum | report only (mg/L) | all year | 002 |
| Floating solids, waste or visible foam-visual | instantaneous maximum | report only (N=0;Y=1) | all year | 002 |
| Solids, total dissolved | daily maximum | ≤ 5000 mg/L | all year | 002 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 002 |
| 3,4-Benzofluoranthene | daily maximum | report only (mg/L) | all year | 002 |
| Flow, total | 30-day average | report only (MGD) | all year | 002 |
| Flow, total | daily maximum | report only (MGD) | all year | 002 |
| p-Chloro-m-cresol | daily maximum | report only (mg/L) | all year | 002 |
| Oil and grease visual | instantaneous maximum | report only (N=0;Y=1) | all year | 002 |
| Chloroethane | daily maximum | report only (mg/L) | all year | 002 |
Cited limits by parameter: Wyoming's rules and the federal ones.
Same industry: the 209 Oil and Gas Extraction permits in Wyoming.
· 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/WY0000949 · MCP: https://passage-data.com/mcp