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Capitol Operating Group, LLC.

Crude Petroleum And Natural Gas, San Juan County, NN. NPDES permit NN0020133, in force until Jun 30, 2027. Last 12 months: over a limit 3 times (last December 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (17 values), outfall 001 form Q quarterly (1 value), outfall 002 form A quarterly (17 values), outfall 002 form Q quarterly (1 value), outfall 001 form Y yearly, outfall 002 form Y yearly
Renewal application due
Jan 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
11 values over a limit, 36 required values missing, 10 of 36 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
October 2025Selenium, total recoverable, monthly average3.5 ug/L≤ 2 ug/L75%
November 2025Selenium, total recoverable, monthly average4.1 ug/L≤ 2 ug/L105%
December 2025Selenium, total recoverable, monthly average2.5 ug/L≤ 2 ug/L25%

Limits in force (44)

ParameterStatisticLimitMonthsOutfall
Flow ratemonthly averagereport only (MGD)all year001
Flow ratedaily maximumreport only (MGD)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 25 mg/Lall year001
BOD, 5-day, 20 deg. Chighest weekly average≤ 35 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 16.7 lb/dall year001
BOD, 5-day, 20 deg. Chighest weekly average≤ 23.4 lb/dall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 25 mg/Lall year001
Solids, total suspendedhighest weekly average≤ 35 mg/Lall year001
Solids, total suspendedmonthly average≤ 16.7 lb/dall year001
Solids, total suspendedhighest weekly average≤ 23.4 lb/dall year001
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year001
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year001
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year001
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year001
Selenium, total recoverablemonthly average≤ 2 ug/Lall year001
Selenium, total recoverabledaily maximum≤ 20 ug/Lall year001
Oil and greasedaily maximum≤ 10 mg/Lall year001
Phenanthrenemonthly average≤ 6.3 ug/Lall year001
Phenanthrenedaily maximum≤ 30 ug/Lall year001
Solids, total dissolveddaily maximum≤ 1200 mg/Lall year001
Flow ratemonthly averagereport only (MGD)all year002
Flow ratedaily maximumreport only (MGD)all year002
BOD, 5-day, 20 deg. Cmonthly average≤ 25 mg/Lall year002
BOD, 5-day, 20 deg. Chighest weekly average≤ 35 mg/Lall year002
BOD, 5-day, 20 deg. Cmonthly average≤ 8.4 lb/dall year002
BOD, 5-day, 20 deg. Chighest weekly average≤ 11.7 lb/dall year002
pHminimum≥ 6.5 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 25 mg/Lall year002
Solids, total suspendedhighest weekly average≤ 35 mg/Lall year002
Solids, total suspendedmonthly average≤ 8.4 lb/dall year002
Solids, total suspendedhighest weekly average≤ 11.7 lb/dall year002
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year002
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year002
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002
Selenium, total recoverablemonthly average≤ 2 ug/Lall year002
Selenium, total recoverabledaily maximum≤ 20 ug/Lall year002
Oil and greasedaily maximum≤ 10 mg/Lall year002
Phenanthrenemonthly average≤ 6.3 ug/Lall year002
Phenanthrenedaily maximum≤ 30 ug/Lall year002
Solids, total dissolveddaily maximum≤ 1200 mg/Lall year002

How strict are these limits?

Cited limits by parameter: the federal ones.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NN0020133 · MCP: https://passage-data.com/mcp