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Citation Oil and Gas Corporation

Crude Petroleum And Natural Gas, Buffalo, South Dakota. NPDES permit SD0025861, in force until Dec 31, 2028. Last 12 months: no values over a limit, 1 required value missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (9 values), outfall 001 form Q quarterly (1 value), outfall 002 form A quarterly (9 values), outfall 002 form Q quarterly (1 value), outfall 003 form A quarterly (9 values), outfall 003 form Q quarterly (1 value)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 4 of 48 reports late

Limits in force (30)

ParameterStatisticLimitMonthsOutfall
Flow rate30-day averagereport only (gal/d)all year001
Flow ratedaily maximum≤ 4500 gal/dall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year001
Floating solids, waste or visible foam-visualdaily maximum≤ 0 abst=0;prst=1all year001
Flow, totalmonthly totalreport only (gal)all year001
Duration of dischargemonthly totalreport only (d)all year001
Hydrocarbons, total petroleumdaily maximum≤ 10 mg/Lall year001
Oil and grease visualdaily maximum≤ 0 N=0;Y=1all year001
Flow rate30-day averagereport only (gal/d)all year002
Flow ratedaily maximum≤ 4500 gal/dall year002
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year002
Floating solids, waste or visible foam-visualdaily maximum≤ 0 abst=0;prst=1all year002
Flow, totalmonthly totalreport only (gal)all year002
Duration of dischargemonthly totalreport only (d)all year002
Hydrocarbons, total petroleumdaily maximum≤ 10 mg/Lall year002
Oil and grease visualdaily maximum≤ 0 N=0;Y=1all year002
Flow rate30-day averagereport only (gal/d)all year003
Flow ratedaily maximum≤ 4500 gal/dall year003
pHdaily minimum≥ 6 SUall year003
pHdaily maximum≤ 9 SUall year003
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year003
Floating solids, waste or visible foam-visualdaily maximum≤ 0 abst=0;prst=1all year003
Flow, totalmonthly totalreport only (gal)all year003
Duration of dischargemonthly totalreport only (d)all year003
Hydrocarbons, total petroleumdaily maximum≤ 10 mg/Lall year003
Oil and grease visualdaily maximum≤ 0 N=0;Y=1all year003

How strict are these limits?

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

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/SD0025861 · MCP: https://passage-data.com/mcp